Las Vegas climate
Las Vegas (Nevada, United States) has a hot desert climate (Köppen BWh). The average temperature over the year is 21 °C69 °F, and about 147 mm5.8 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Las Vegas climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 1558 | 236 | 847 | 180.7 | 7 |
| Feb | 1763 | 439 | 1051 | 230.9 | 4 |
| Mar | 2272 | 846 | 1559 | 120.5 | 1 |
| Apr | 2780 | 1152 | 1966 | 80.3 | 0 |
| May | 3391 | 1762 | 2577 | 40.1 | 0 |
| Jun | 40104 | 2373 | 3188 | 10.0 | 0 |
| Jul | 42107 | 2780 | 3494 | 150.6 | 0 |
| Aug | 40105 | 2678 | 3391 | 150.6 | 0 |
| Sep | 3697 | 2170 | 2984 | 90.3 | 0 |
| Oct | 2882 | 1457 | 2170 | 130.5 | 0 |
| Nov | 2068 | 745 | 1456 | 120.5 | 1 |
| Dec | 1457 | 235 | 846 | 180.7 | 9 |
| Year | 42107 | 235 | 2169 | 1475.8 | 22 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 46% | 47% | 3.0 | 9:57 |
| Feb | 43% | 48% | 4.0 | 10:49 |
| Mar | 37% | 45% | 5.5 | 11:52 |
| Apr | 29% | 40% | 6.9 | 13:04 |
| May | 22% | 35% | 7.8 | 14:04 |
| Jun | 14% | 25% | 8.5 | 14:36 |
| Jul | 22% | 38% | 7.6 | 14:23 |
| Aug | 24% | 33% | 7.1 | 13:31 |
| Sep | 23% | 24% | 6.2 | 12:21 |
| Oct | 28% | 32% | 4.7 | 11:12 |
| Nov | 35% | 39% | 3.4 | 10:11 |
| Dec | 46% | 50% | 2.7 | 9:42 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Las Vegas is like
The warmest month is July, with an average high of 42 °C107 °F and a low of 27 °C80 °F. The coldest is December, when highs average 14 °C57 °F and lows 2 °C35 °F. Seasons are strongly marked: the warmest month is on average 26.4 °C47.6 °F warmer than the coldest.
It is very dry, with only 147 mm5.8 in of precipitation in an average year. The wettest three-month stretch is December–February, which brings 40% of the annual total. Months with less than 20 mm0.8 in on average: March–January. The wettest month is February (23 mm0.9 in), the driest is June (1 mm0.0 in).
Relative humidity ranges from 14% in June to 46% in January. The clearest skies (lowest average cloud amount, 24%) are typical of September. Average wind speed near the ground ranges from 8 km/h (5 mph) in December to 11 km/h (7 mph) in April. Daylight lasts from about 9.7 hours in December to 14.6 hours in June.
Best time to visit Las Vegas
Based on these averages, the most comfortable months for sightseeing and outdoor activities are March and April and October and November: average highs of 20 °C68 °F to 28 °C82 °F with 8 mm0.3 in to 13 mm0.5 in of precipitation per month.
The most challenging month is July, which is hot, with average highs of 42 °C107 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Las Vegas
- Winter (December–February) — highs 1457 to 17 °C63 °F, lows 235 to 4 °C39 °F, about 20 mm0.8 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 2272 to 33 °C91 °F, lows 846 to 17 °C62 °F, about 8 mm0.3 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 40104 to 42 °C107 °F, lows 2373 to 27 °C80 °F, about 10 mm0.4 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Autumn (September–November) — highs 2068 to 36 °C97 °F, lows 745 to 21 °C70 °F, about 11 mm0.4 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
How Las Vegas compares
Compared with Los Angeles, about 368 km to the southwest, Las Vegas is on average 1.3 °C2.3 °F warmer and receives 56% less precipitation (147 mm5.8 in vs 331 mm13 in). The difference is largest in July (8.9 °C15.9 °F warmer).
Of the 222 places in the United States covered by World Climates, Las Vegas is the 25th warmest by annual mean temperature and the 220th wettest by annual precipitation. See all of them on the United States climate page.
Places in other countries with the most similar temperature and rainfall pattern: Béchar (Algeria, BWh), Kandahar (Afghanistan, BWh) and Ghardaïa (Algeria, BWh).
The same NASA POWER grid cell also contains North Las Vegas (pop. 234,807), Paradise (pop. 223,167), Sunrise Manor (pop. 189,372), Spring Valley (pop. 178,395) and Enterprise (pop. 108,481). Their long-term averages in this dataset are essentially the same as for Las Vegas, so they do not have separate pages.
Nearby places
- Henderson 21 km · 21 °C70 °F · 147 mm5.8 in
- Victorville 267 km · 17 °C63 °F · 235 mm9.3 in
- San Bernardino 302 km · 19 °C67 °F · 289 mm11 in
- Lancaster 317 km · 17 °C63 °F · 286 mm11 in
- Riverside 321 km · 20 °C68 °F · 289 mm11 in
- West Covina 346 km · 19 °C67 °F · 331 mm13 in
- Murrieta 348 km · 17 °C63 °F · 298 mm12 in
- Temecula 350 km · 20 °C68 °F · 299 mm12 in
Frequently asked questions
What is the warmest month in Las Vegas?
July is the warmest month in Las Vegas, with an average high of 42 °C (107 °F) and an average low of 27 °C (80 °F).
What is the coldest month in Las Vegas?
December is the coldest month, with an average high of 14 °C (57 °F) and an average low of 2 °C (35 °F).
When does it rain the most in Las Vegas?
February is the wettest month with about 23 mm (0.9 in) of precipitation; June is the driest with about 1 mm (0.0 in).
What is the best time to visit Las Vegas?
Judging by long-term averages, the most comfortable months are March and April and October and November.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 725 m, while Las Vegas lies at about 610 m. Temperatures on this page were therefore adjusted by +0.7 °C1.3 °F using the standard lapse rate of 6.5 °C per 1,000 m.