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Contents
- The climate of Las Vegas
- The best time to visit Las Vegas
- The worst time to visit Las Vegas
- Spring weather in Las Vegas
- Summer weather in Las Vegas
- Autumn weather in Las Vegas
- Winter weather in Las Vegas
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
A night aerial view of the Las Vegas strip in Nevada, USA
The climate of Las Vegas
Located in the state of Nevada, USA, Las Vegas falls under the Mid-latitude desert Köppen climate classification, also known as BWk, due to its geographical position within the Mojave Desert, one of the driest regions in North America. This predominant genre of climate recognizes the region's inclination towards scant, erratic rainfall and its propensity for high temperatures.
Throughout the year, Las Vegas embraces an extensive variation in thermal conditions. Daytime temperatures embark on a journey from a low average of 11°C (51.8°F) in January to a scorching average of 36.3°C (97.3°F) in July. The story of night temperatures unfolds similarly, starting at 3.6°C (38.5°F) in January and peaking at 25.4°C (77.7°F) in July. This manifestation of desert climate witnesses relative humidity ranging from a low level of 15% in June to a peak of 48% in January, reflecting the region's overall dry nature.
Precipitation patterns in Las Vegas exhibit consistency with the desert climate type. Even though the elements of rainfall concentrate from 2mm (0.08") in June to 22mm (0.87") in July, this city witnesses days with rainfall from as low as 1.4 in June to a maximum of 8.3 in July. However, snowfall is a rare occurrence here, limited to slight amounts in January and December.
Unique weather phenomena include the city's impressive sunlight and sky clarity. With sunlit days in the count of 27.3 in June and daylight hours peaking at 14.6 in June and July, Las Vegas boasts of radiant sunshine and extended light hours, particularly beneficial for potential visitors.
Throughout the year, Las Vegas embraces an extensive variation in thermal conditions. Daytime temperatures embark on a journey from a low average of 11°C (51.8°F) in January to a scorching average of 36.3°C (97.3°F) in July. The story of night temperatures unfolds similarly, starting at 3.6°C (38.5°F) in January and peaking at 25.4°C (77.7°F) in July. This manifestation of desert climate witnesses relative humidity ranging from a low level of 15% in June to a peak of 48% in January, reflecting the region's overall dry nature.
Precipitation patterns in Las Vegas exhibit consistency with the desert climate type. Even though the elements of rainfall concentrate from 2mm (0.08") in June to 22mm (0.87") in July, this city witnesses days with rainfall from as low as 1.4 in June to a maximum of 8.3 in July. However, snowfall is a rare occurrence here, limited to slight amounts in January and December.
Unique weather phenomena include the city's impressive sunlight and sky clarity. With sunlit days in the count of 27.3 in June and daylight hours peaking at 14.6 in June and July, Las Vegas boasts of radiant sunshine and extended light hours, particularly beneficial for potential visitors.
The best time to visit Las Vegas
Considering the factors such as temperature, sunshine hours, and precipitation, the most favoring time to visit Las Vegas is Spring from March to May, and Autumn, from September to November. During the spring period, temperatures fluctuate from 17.8°C (64°F) to 27°C (80.6°F), making outdoor activities pleasant and enjoyable. Similarly, in the autumn months, the temperature resides between 23.5°C (74.3°F) in October to 16.2°C (61.2°F) in November, without making too cold for visitors.
The worst time to visit Las Vegas
Amidst the sweltering summer months from June to August, daytime temperatures can soar up to 36.3°C (97.3°F) in July. This period presents highest temperatures throughout the year, making it a less preferred time for tourism. The weather might be excessively hot and uncomfortable for many on outdoor exploration or activities. The high heat index, coupled with the least rainfall, validates this phase as the least favorable for a visit to Las Vegas.
Spring weather in Las Vegas
The spring season in Las Vegas exhibits the temperatures rising from 17.8°C (64°F) in March to 27°C (80.6°F) by May, while the night temperatures fluctuate from 8.8°C (47.8°F) to 16.5°C (61.7°F). This period welcomes diminished rainfall and increased daily sunshine hours, providing a balanced weather situation favorable for tourists and locals alike. The UV index during this period peaks at 7 in May, necessitating the use of protective measures against the sun.
Summer weather in Las Vegas
The summer months in Las Vegas transcend from a high average temperature of 34.1°C (93.4°F) in June to a scorching 36.3°C (97.3°F) in July, before receding slightly to 35.5°C (95.9°F) in August. Nights do not offer much solace from the heat, with temperatures lingering from 21.9°C (71.4°F) to 25.4°C (77.7°F), marking the zenith of hot weather. Minimum rainfall and maximum daylight hours, peaking at 14.6 hours in June, align with the characteristics of a desert climate.
Autumn weather in Las Vegas
A decrease in temperature marks the advent of autumn in Las Vegas, with temperatures falling from 30.8°C (87.4°F) in September to 16.2°C (61.2°F) by November. The fall months offer a respite from the heat with cooler and comfortable weather. There is a minimal decrease in the duration of daily sunshine hours and a slight increase in rainfall at 12mm (0.47") in both October and November.
Winter weather in Las Vegas
Winter temperatures in Las Vegas witness a significant dip with day temperatures fluctuating from 23.5°C (74.3°F) in December to 11°C (51.8°F) in February, and night temperatures tapering from 7.7°C (45.9°F) in November to 3.3°C (37.9°F) in January. Rainfall remains relatively consistent at 17mm (0.67") in December tapering to a 14mm (0.55") in February, while the sparse snowfall of 1mm (0.04") occurs in January and December, a distinctive feature of this season.
Weather in January
Las Vegas greets the New Year with cool temperatures mostly hovering from 3.6°C (38.5°F) to 11°C (51.8°F). A continuation from late December, expect cool but not freezing temperatures. The coldest month of the year in Las Vegas, January often sees a mix of sunny and cloudy days. Weather in January »
Weather in February
Welcome February with a slight increase in temperature, as cooler days give way to the promise of spring in Las Vegas. February brings marginally warmer conditions than January, but it remains a comfortable month for exploration. Weather in February »
Weather in March
March weather in Las Vegas denotes the arrival of spring, with temperatures climbing from the chillier winter months. The warmer temperatures allow Las Vegas denizens to take advantage of a range of outdoor activities available in the area. Weather in March »
Weather in April
Las Vegas in April enjoys clear skies, mild temperatures, and low humidity, making it an ideal month for outdoor activities. As the days lengthen, the temperature continues to climb steadily, setting the stage for the extremely warm summer months ahead. Weather in April »
Weather in May
As summer begins to take hold in May, Las Vegas experiences significantly warmer temperatures. Positioned between spring and summer, May is beautifully clear with a significantly low chance of rainfall. With the increase in temperature, Las Vegas begins to sizzle not only from the heat but also from the steady march of activities. Weather in May »
Weather in June
Weather in Las Vegas takes a noticeably hotter turn in June, marking the onset of the dry summer season. With light rainfall and shining sun, the city looks straight out of a postcard. Bringing drastic changes in terms of temperature, June is a month when Las Vegas truly feels like a desert city. Weather in June »
Weather in July
July is the peak of summer in Las Vegas, often recording the highest temperatures of the year. A typical desert summer month, the heat can become pretty intense, especially during the day. However, with its indoor air conditioning, Las Vegas ensures comfort despite the scorching sun. Weather in July »
Weather in August
August carries forward the heat from July, with temperatures witnessing little to no drop in Las Vegas. As summer continues in full swing, the temperatures might still be quite sizzling. Despite the high temperatures, Las Vegas’ attractions and entertainment scene do not simmer down. Weather in August »
Weather in September
In September, Las Vegas starts experiencing a decrease in temperature, shifting from full-blown summer to a more bearable range. As temperatures start to dip, Vegas sees a resurgence in outdoor activities. The departure of intense summer heat also means hiking and golf are back on the menu. Weather in September »
Weather in October
October in Las Vegas signals the commencement of fall, with a more pronounced decrease in temperatures. Transitioning from the hot summer months, October experiences pleasant days and cool nights. The dip in temperature brings back the outdoor hustle, as locals and tourists relish the weather. Weather in October »
Weather in November
In November, Las Vegas experiences a considerable drop in temperature, leading into the winter season. Progressing from the fall season, November paves the path to winter with crisp temperatures. The ambiance of festive cheer begins to creep in as Thanksgiving approaches. Weather in November »
Weather in December
December in Las Vegas heralds the onset of winter with the return of cooler temperatures. Mimicking weather conditions similar to January, December sees the mercury drop again. This month offers a unique blend of holiday spirit alongside the lively Las Vegas charm. Weather in December »
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
January is the most humid month, with an average relative humidity of 48%.
How many days does it rain?
Throughout the year, in Las Vegas, there are 57.5 rainfall days, and 153mm (6.02") of precipitation is accumulated.
When does it snow?
Months with snowfall are January, February and December.
How much does it snow?
In Las Vegas, during the entire year, snow falls for 0.7 days and aggregates up to 6mm (0.24") of snow.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 0.3 days and accumulates 4mm (0.16") of snow.
When it does not snow?
March through November are months without snowfall.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the least humid month?
June is the least humid month, with an average relative humidity of 15%.
What is the driest month?
June is the month with the least rainfall. Rain falls for 1.4 days and accumulates 2mm (0.08") of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 36min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 8, are months with the highest UV index.
What is the warmest month?
July, noted for its average high-temperature of 36.3°C (97.3°F) and an average low-temperature of 25.4°C (77.7°F), is considered the warmest month.
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 8.3 days and accumulates 22mm (0.87") of precipitation.
What month has the most sunshine?
With an average of 12.2h of sunshine, August has the most sunshine of the year.
What are the coldest months in Las Vegas?
In Las Vegas, December records the average lowest temperatures, peaking at 10°C (50°F) and reaching a low of 3.3°C (37.9°F).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
What is the month with the least sunshine?
With an average of 7.1h of sunshine, December has the least sunshine of the year.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 2.
Average temperature
Las Vegas, NV
The warmest month (with the highest average high temperature) is July (36.3°C).
The month with the lowest average high temperature is December (10°C).
The month with the highest average low temperature is July (25.4°C).
The coldest month (with the lowest average low temperature) is December (3.3°C).
Average pressure
Las Vegas, NV
- Average pressure in January:
1020.6mbar - Average pressure in February:
1017mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1011.4mbar - Average pressure in May:
1009.4mbar - Average pressure in June:
1007.9mbar
- Average pressure in July:
1010.2mbar - Average pressure in August:
1010.3mbar - Average pressure in September:
1010.9mbar - Average pressure in October:
1013.8mbar - Average pressure in November:
1017.2mbar - Average pressure in December:
1019.3mbar
The month with the highest atmospheric pressure is January (1020.6mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).
Average wind speed
Las Vegas, NV
- Average wind speed in January:
8.9km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
12.4km/h - Average wind speed in April:
13.7km/h - Average wind speed in May:
13.1km/h - Average wind speed in June:
13.2km/h
- Average wind speed in July:
11.1km/h - Average wind speed in August:
10.8km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
9.3km/h - Average wind speed in December:
9.3km/h
The windiest month (with the highest average wind speed) is April (13.7km/h).
The calmest month (with the lowest average wind speed) is January (8.9km/h).
Average humidity
Las Vegas, NV
The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is June (15%).
Average rainfall
Las Vegas, NV
The wettest month (with the highest rainfall) is July (22mm).
The driest month (with the least rainfall) is June (2mm).
Average rainfall days
Las Vegas, NV
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
5.2 days - Average rainfall days in May:
3.7 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
8.3 days - Average rainfall days in August:
5.9 days - Average rainfall days in September:
5.3 days - Average rainfall days in October:
4.2 days - Average rainfall days in November:
2.7 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.4 days).
Average snowfall
Las Vegas, NV
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Las Vegas, NV
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Las Vegas, NV
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 1min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 1min - Average sunshine in September:
10h and 2min - Average sunshine in October:
9h and 3min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Las Vegas, NV
- Average sunshine days in January:
24.8 days - Average sunshine days in February:
22.1 days - Average sunshine days in March:
23.9 days - Average sunshine days in April:
23.8 days - Average sunshine days in May:
23.7 days - Average sunshine days in June:
27.3 days
- Average sunshine days in July:
18.1 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
22 days - Average sunshine days in October:
25.1 days - Average sunshine days in November:
26.5 days - Average sunshine days in December:
24 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is July (18.1 days).
Average UV index
Las Vegas, NV
The months with the highest UV index are June and July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Las Vegas, NV
The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility
Las Vegas, NV
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Las Vegas, Nevada, USA
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