Las Vegas, NV Climate & Monthly Averages
The climate of Las Vegas
Located in Nevada, United States, Las Vegas experiences a hot desert climate with intense summer heat, mild winters and very little rain. Afternoon temperatures peak near 105°F (41°C) in July and dip to about 57°F (14°C) in December, with around 4.8 inches (123 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: July - highs near 105°F (41°C)
- Coldest month: December - highs near 57°F (14°C)
- Record high: 117°F (47°C) · Record low: 24°F (-4°C) (2015–2024)
- Wettest month: January (4 rainy days) · Sunniest: June (13.7 h sun/day)
- Climate type: hot desert - intense summer heat, mild winters and very little rain
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 105°F (41°C) and overnight lows stay near 82°F (28°C). The coolest month is December, with typical highs of 57°F (14°C) and lows around 39°F (4°C). Based on 2015–2024 weather data, temperatures have reached as high as 117°F (47°C) and dropped as low as 24°F (-4°C).
Rain, sun and snow
January is usually the wettest month. It brings about 0.9 inches (23 mm) of rain over 4 days, while June is the driest. June brings the most sunshine, averaging 13.7 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 58° | 40° | 4 | 0.9 in | 8.5 h/day | 47% |
| February | 63° | 42° | 3 | 0.6 in | 9.5 h/day | 37% |
| March | 70° | 49° | 4 | 0.6 in | 10.6 h/day | 31% |
| April | 81° | 57° | 2 | 0.2 in | 12.3 h/day | 21% |
| May | 88° | 64° | 1 | 0.2 in | 13.0 h/day | 20% |
| June | 101° | 76° | 0 | 0.1 in | 13.7 h/day | 14% |
| July | 105° | 82° | 2 | 0.3 in | 13.2 h/day | 20% |
| August | 103° | 80° | 2 | 0.5 in | 12.6 h/day | 23% |
| September | 96° | 72° | 1 | 0.3 in | 11.6 h/day | 22% |
| October | 82° | 60° | 2 | 0.2 in | 10.6 h/day | 25% |
| November | 67° | 47° | 1 | 0.3 in | 9.4 h/day | 30% |
| December | 57° | 39° | 2 | 0.5 in | 8.1 h/day | 41% |
Las Vegas month by month
Las Vegas weather in January
January brings highs around 58°F (14°C), lows near 40°F (4°C), about 4 wet days - typically the wettest month of the year in Las Vegas.
Las Vegas weather in February
February brings highs around 63°F (17°C), lows near 42°F (6°C), about 3 wet days.
Las Vegas weather in March
March brings highs around 70°F (21°C), lows near 49°F (10°C), about 4 wet days.
Las Vegas weather in April
April brings highs around 81°F (27°C), lows near 57°F (14°C), about 2 wet days.
Las Vegas weather in May
May brings highs around 88°F (31°C), lows near 64°F (18°C), about 1 wet days.
Las Vegas weather in June
June brings highs around 101°F (38°C), lows near 76°F (24°C), about 0 wet days - typically the driest month and the sunniest month of the year in Las Vegas.
Las Vegas weather in July
July brings highs around 105°F (41°C), lows near 82°F (28°C), about 2 wet days - typically the hottest month of the year in Las Vegas.
Las Vegas weather in August
August brings highs around 103°F (39°C), lows near 80°F (26°C), about 2 wet days.
Las Vegas weather in September
September brings highs around 96°F (35°C), lows near 72°F (22°C), about 1 wet days.
Las Vegas weather in October
October brings highs around 82°F (28°C), lows near 60°F (15°C), about 2 wet days.
Las Vegas weather in November
November brings highs around 67°F (20°C), lows near 47°F (8°C), about 1 wet days.
Las Vegas weather in December
December brings highs around 57°F (14°C), lows near 39°F (4°C), about 2 wet days - typically the coldest month of the year in Las Vegas.
Seasons in Las Vegas
Spring (March through May)
Spring in Las Vegas is pleasantly warm, with daytime highs averaging 80°F (26°C) and nights around 57°F (14°C); precipitation is infrequent.
Summer (June through August)
Summer in Las Vegas turns very hot, with daytime highs averaging 103°F (40°C) and nights around 79°F (26°C); precipitation is infrequent.
Fall (September through November)
Fall in Las Vegas brings hot afternoons, with daytime highs averaging 82°F (28°C) and nights around 59°F (15°C); precipitation is infrequent.
Winter (December through February)
Winter in Las Vegas stays on the cool side of mild, with daytime highs averaging 59°F (15°C) and nights around 40°F (5°C); rain falls on about 10 days over the three months.
Climate questions, answered
What is the average temperature in Las Vegas?
Is Las Vegas hot in summer?
Is Las Vegas cold in winter?
How many rainy days does Las Vegas get in a year?
Best time to visit Las Vegas
The best time to visit Las Vegas is generally February to April and October to November, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 73°F (23°C).
Pack for Las Vegas with lightweight, breathable clothing and strong sun protection for the hot months. Evenings can feel noticeably cooler than afternoons - July nights average 82°F (28°C).
Las Vegas temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.