Las Vegas, NV Climate & Monthly Averages
The climate of Las Vegas
Las Vegas works on a dry budget: 4.8 inches (123 mm) of precipitation a year, spread over roughly 24 days. Temperature does the varying instead, from 57°F (14°C) on a typical December afternoon to 105°F (41°C) in July, with nights 12°C below the day.
Climate quick facts
- Hottest month: July - highs near 105°F (41°C)
- Coldest month: December - highs near 57°F (14°C)
- Decade extremes (2015-2024): 117°F (47°C) high · 24°F (-4°C) low
- Wettest month: January (4 rainy days) · Sunniest: June (13.7 h sun/day)
- Climate type: hot desert
- Annual swing: 26°C between the average warmest and coolest month · day to night: 12°C
- Months averaging 30°C or hotter: 5
- Average humidity: 28%
Temperatures through the year
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is March through April. December bottoms out at 57°F (14°C) in daylight, 39°F (4°C) after dark. At its warmest, in July, Las Vegas runs to 105°F (41°C) in the afternoon and back to 82°F (28°C) by dawn. Average highs hold at or above 30°C for 5 months of the year, May through September being the unbroken run.
Rain, sun and snow
June is the brightest month at 13.7 hours of sun a day, against an annual average of 11.1 - sunnier than 97% of the 3496 cities in our dataset. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 117°F (47°C) and the lowest daily minimum 24°F (-4°C).
How Las Vegas compares
- Relative humidity averages 28% - drier than almost every other city we track.
- Annual precipitation is 4.8 inches (123 mm) - drier than almost every other city we track.
- Rain or snow reaches the ground on 24 days a year - fewer wet days than all but 3% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 58° | 40° | 4 | 0.9 in | 8.5 h/day | 9.9 h | 14% | 47% |
| February | 63° | 42° | 3 | 0.6 in | 9.5 h/day | 10.8 h | 11% | 37% |
| March | 70° | 49° | 4 | 0.6 in | 10.6 h/day | 11.9 h | 13% | 31% |
| April | 81° | 57° | 2 | 0.2 in | 12.3 h/day | 13.1 h | 5% | 21% |
| May | 88° | 64° | 1 | 0.2 in | 13.0 h/day | 14.1 h | 4% | 20% |
| June | 101° | 76° | 0 | 0.1 in | 13.7 h/day | 14.6 h | 1% | 14% |
| July | 105° | 82° | 2 | 0.3 in | 13.2 h/day | 14.4 h | 6% | 20% |
| August | 103° | 80° | 2 | 0.5 in | 12.6 h/day | 13.5 h | 6% | 23% |
| September | 96° | 72° | 1 | 0.3 in | 11.6 h/day | 12.4 h | 4% | 22% |
| October | 82° | 60° | 2 | 0.2 in | 10.6 h/day | 11.2 h | 5% | 25% |
| November | 67° | 47° | 1 | 0.3 in | 9.4 h/day | 10.2 h | 4% | 30% |
| December | 57° | 39° | 2 | 0.5 in | 8.1 h/day | 9.7 h | 7% | 41% |
Las Vegas month by month
Average high and low for each month, with the bar showing where it sits in Las Vegas's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 4 days
- Sunshine
- 8.5 h
- Daylight
- 9.9 h
February
- Rain
- 3 days
- Sunshine
- 9.5 h
- Daylight
- 10.8 h
March
- Rain
- 4 days
- Sunshine
- 10.6 h
- Daylight
- 11.9 h
April
- Rain
- 2 days
- Sunshine
- 12.3 h
- Daylight
- 13.1 h
May
- Rain
- 1 day
- Sunshine
- 13.0 h
- Daylight
- 14.1 h
June
- Rain
- 0 days
- Sunshine
- 13.7 h
- Daylight
- 14.6 h
July
- Rain
- 2 days
- Sunshine
- 13.2 h
- Daylight
- 14.4 h
August
- Rain
- 2 days
- Sunshine
- 12.6 h
- Daylight
- 13.5 h
September
- Rain
- 1 day
- Sunshine
- 11.6 h
- Daylight
- 12.4 h
October
- Rain
- 2 days
- Sunshine
- 10.6 h
- Daylight
- 11.2 h
November
- Rain
- 1 day
- Sunshine
- 9.4 h
- Daylight
- 10.2 h
December
- Rain
- 2 days
- Sunshine
- 8.1 h
- Daylight
- 9.7 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Las Vegas
Spring (March through May)
Spring in Las Vegas brings comfortable warmth, with daytime highs averaging 80°F (26°C) and nights around 57°F (14°C); precipitation is sparse, near 24 mm (1.0 in) for the season. Daylight is generous - around 12.0 hours of sun a day.
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 sparse, near 22 mm (0.9 in) for the season. Daylight is generous - around 13.2 hours of sun a day.
Fall (September through November)
Fall in Las Vegas is hot, with daytime highs averaging 82°F (28°C) and nights around 59°F (15°C); precipitation is sparse, near 23 mm (0.9 in) for the season. Daylight is generous - around 10.5 hours of sun a day.
Winter (December through February)
Winter in Las Vegas is crisp but comfortable, with daytime highs averaging 59°F (15°C) and nights around 40°F (5°C); rain comes on about 10 days over the three months.
Climate questions, answered
Are nights cold in Las Vegas?
What is the average temperature in Las Vegas?
How hot does Las Vegas get in summer?
How much sun does Las Vegas get?
Which months are driest in Las Vegas?
Is Las Vegas cold in winter?
Best time to visit Las Vegas
Aim for February to April and October to November if you get the choice: temperatures sit either side of the peak heat rather than in it, and highs average 73°F (23°C) against roughly 2 wet days a month. For the same question asked the other way round, see where else is warm in February.
Pack for Las Vegas with lightweight, breathable clothing and serious sun protection. Even in July, lows of 82°F (28°C) make an extra layer worth the space.
Las Vegas temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.