Climate and monthly weather forecast
Las Vegas, NV

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A night aerial view of the Las Vegas strip in Nevada, USA
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 51.8°F (11°C) in January to a scorching average of 97.3°F (36.3°C) in July. The story of night temperatures unfolds similarly, starting at 38.5°F (3.6°C) in January and peaking at 77.7°F (25.4°C) 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 0.08" (2mm) in June to 0.87" (22mm) 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 64°F (17.8°C) to 80.6°F (27°C), making outdoor activities pleasant and enjoyable. Similarly, in the autumn months, the temperature resides between 74.3°F (23.5°C) in October to 61.2°F (16.2°C) 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 97.3°F (36.3°C) 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 64°F (17.8°C) in March to 80.6°F (27°C) by May, while the night temperatures fluctuate from 47.8°F (8.8°C) to 61.7°F (16.5°C). 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 93.4°F (34.1°C) in June to a scorching 97.3°F (36.3°C) in July, before receding slightly to 95.9°F (35.5°C) in August. Nights do not offer much solace from the heat, with temperatures lingering from 71.4°F (21.9°C) to 77.7°F (25.4°C), 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 87.4°F (30.8°C) in September to 61.2°F (16.2°C) 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 0.47" (12mm) in both October and November.

Winter weather in Las Vegas

Winter temperatures in Las Vegas witness a significant dip with day temperatures fluctuating from 74.3°F (23.5°C) in December to 51.8°F (11°C) in February, and night temperatures tapering from 45.9°F (7.7°C) in November to 37.9°F (3.3°C) in January. Rainfall remains relatively consistent at 0.67" (17mm) in December tapering to a 0.55" (14mm) in February, while the sparse snowfall of 0.04" (1mm) 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 38.5°F (3.6°C) to 51.8°F (11°C). 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: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Las Vegas?

January is the most humid month in Las Vegas, with an average relative humidity of 48%.

How many days does it rain in Las Vegas?

Throughout the year, in Las Vegas, Nevada, there are 57.5 rainfall days, and 6.02" (153mm) of precipitation is accumulated.

When does it snow in Las Vegas?

Months with snowfall in Las Vegas are January, February and December.

How much does it snow in Las Vegas?

In Las Vegas, Nevada, during the entire year, snow falls for 0.7 days and aggregates up to 0.24" (6mm) of snow.

What is the snowiest month in Las Vegas?

The month with the most snowfall is February, when snow falls for 0.3 days and typically aggregates up to 0.16" (4mm) of snow.

When it does not snow in Las Vegas?

March through November are months without snowfall.

When is Daylight Saving Time (DST) in Las Vegas?

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 in Las Vegas?

June is the least humid month, with an average relative humidity of 15%.

What is the driest month in Las Vegas?

The month with the least rainfall is June, when the rain falls for 1.4 days and typically collects 0.08" (2mm) of precipitation.

When are the longest days in Las Vegas?

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 in Las Vegas?

The months with the highest UV index are June and July, with an average maximum UV index of 8.

What month is the hottest in Las Vegas?

In Las Vegas, July is the warmest month, with temperatures averaging a high of 97.3°F (36.3°C) and a low of 77.7°F (25.4°C).

What is the wettest month in Las Vegas?

July is the month with the most rainfall. Rain falls for 8.3 days and accumulates 0.87" (22mm) of precipitation.

What month has the most sunshine in Las Vegas?

With an average of 12.2h of sunshine, August has the most sunshine of the year in Las Vegas.

What month is the coldest in Las Vegas?

December is the coldest month of the year in Las Vegas, Nevada, registering average temperatures as high as 50°F (10°C) and as low as 37.9°F (3.3°C).

What is the month with the shortest days in Las Vegas?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Las Vegas, Nevada.

What is the month with the least sunshine in Las Vegas?

December has the least sunshine of the year in Las Vegas, with an average of 7.1h of sunshine.

When is the lowest UV index in Las Vegas?

The month with the lowest UV index in Las Vegas, Nevada, is December, with an average maximum UV index of 2.

Average temperature
Las Vegas, NV

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 - Las Vegas, NV

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 - Las Vegas, NV

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

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

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 - Las Vegas, NV

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

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 - Las Vegas, NV

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 / Average sunshine - Las Vegas, NV

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).

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 - Las Vegas, NV

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 visibility
Las Vegas, NV

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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