Monthly weather forecast and climate
Las Vegas, NV

A night aerial view of the Las Vegas strip in Nevada, USA
A night aerial view of the Las Vegas strip in Nevada, USA
Las Vegas has a subtropical hot desert type of climate (Köppen climate classification BWh) with long, hot summers and short, mild winters. Las Vegas, popularly known as Vegas, lies in the Mojave Desert with towering mountain ranges on all sides. The mountain peaks with their rocky terrain act as natural barriers to the flow of moisture from the surrounding areas and influence the arid climate.

Las Vegas has ample sunshine throughout the year, with an average of 310 sunny days annually. Average daily high temperatures reach an astonishing 105°F (40.6°C) in the peak summer, while average low temperatures in the peak winter drop to a chilly 38°F (3.3°C). The difference between daily highs and lows are in the extreme range of 25 to 30 degrees. Snow accumulates in the mountain ranges surrounding Las Vegas during the winter.

Rainfall is scanty to the tune of 4.2" (106.7mm) annually. With an average of 26 rainy days during the entire year, Las Vegas is one of the driest places in North America.
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Las Vegas is a major resort city, and the Entertainment Capital of the World finds visitors in all seasons. Nevertheless, the best time for a visit is during the spring and fall seasons, from March to May and September to November. The spring temperatures are agreeable than the scorching summer heat, while the fall nights are not as chilly as the winter nights. Spring and fall, both have sunny days with an average of 10 hours of daily sunshine.

Summer from June to August is generally the worst time to visit Las Vegas. The heat is blistering, as the intense sun rays do not offer any respite. Temperatures range between 90°F (32.2°C) to 110°F (43.3°C) in the day, while the nights are frequently at 80°F (26.7°C). Summer days are hot and mostly cloudless, but the North American Monsoon brings brief spells of thunderstorms and heavy rains.

Las Vegas is prone to occasional spells of heavy rains and resultant torrential flash floods with its location in the basin of the floor of the Mojave Desert. Also, Vegas lies in Nevada, which is one of the most seismically active states in the United States and is commonly subject to earthquakes.

January is a beautiful month in the mild winter of Las Vegas when the average high temperature is 58°F (14.4°C). Winter is chilly, with average lows at 39°F (3.9°C). Weather in January »

February is an appealing winter month with average temperatures of 44°F (6.7°C) to 63°F (17.2°C). It draws tourists from all over the globe and is a busy tourist month. Weather in February »

Spring begins in March and brings comfortable weather with average high temperatures in the reach of 70°F (21.1°C), while the average lows are in the 50°F (10°C). Weather in March »

April has clear skies with average temperatures in the range of 56°F (13.3°C) to 78°F (25.6°C). The weather is pleasant, while the rain rarely shows its presence. Weather in April »

May is brilliant with the daily sunshine of 12 hours and long days up to 15 hours. Average lows and highs are in the range of a warm 65°F (18.3°C) to 88°F (31.1°C), as the days become noticeably hot. Weather in May »

June marks the beginning of the hot summer in Las Vegas when the average daily high temperatures are 98°F (36.7°C). The weather is at its driest, and the highs frequently breach 104°F (40°C). Weather in June »

July is the hottest month in Las Vegas, and the average highs are at an extreme 104°F (40°C). The rain is sporadic, but there are occasional thunderstorms with heavy spells of rain in the space of a few days. Weather in July »

August is another hot summer month with average high temperatures of 102°F (38.9°C), offering little respite from the sweltering heat. Weather in August »

September gradually transitions to the more comfortable fall weather, with average high temperatures dropping to approximately 90°F (32.2°C). Weather in September »

October is a fine autumn month with mild temperatures in the range of 58°F (14.4°C) to 80°F (26.7°C). The heat drops considerably with the progress of the fall season. Weather in October »

November is fantastic, with average highs of 66°F (18.9°C) - It is one of the best times to be in Vegas, with the busy winter just around the corner. Weather in November »

December is the coldest month in Las Vegas and the start of the mild and chilly winter - average highs are at a comfortable 57°F (13.9°C), but the average lows are at a chilly 38°F (3.3°C). Weather in December »

How much does it rain in Las Vegas?

In Las Vegas, Nevada, during the entire year, the rain falls for 26.5 days and collects up to 4.2" (106.5mm) of precipitation.

What is the wettest month in Las Vegas?

February is the month with the most rainfall in Las Vegas, Nevada. Rain falls for 4 days and accumulates 0.8" (19.3mm) of precipitation.

What is the driest month in Las Vegas?

June is the month with the least rainfall in Las Vegas. Rain falls for 0.6 days and accumulates 0.1" (1.8mm) of precipitation.

What is the warmest month in Las Vegas?

With an average high-temperature of 104.2°F (40.1°C) and an average low-temperature of 81°F (27.2°C), July is the warmest month.

What is the coldest month in Las Vegas?

The coldest month is December, with an average high-temperature of 56.7°F (13.7°C) and an average low-temperature of 38.7°F (3.7°C).
Average temperature - Las Vegas, NV
Average humidity - Las Vegas, NV
Average rainfall - Las Vegas, NV
Average rainfall days - Las Vegas, NV

The month with the highest number of rainy days is February (4 days).
The month with the lowest number of rainy days is June (0.6 days).

Average daylight / Average sunshine - Las Vegas, NV

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

The month with most sunshine is June (Average sunshine: 13.4h).
The month with least sunshine is December (Average sunshine: 7.6h).