North America › United States › Las Vegas
30-year normals (1991-2020)
Las Vegas has a arid desert climate, classified as BWh in the Köppen system. The warmest month is July with an average high of 39°C, while the coldest month is January with lows dropping to 4°C. The annual temperature range of 35°C is typical of continental climates with distinct seasons.
The driest month is September with only 1 rain days and 7mm of precipitation. For travellers, September through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 65% to 65% throughout the year.
Based on temperature and rainfall data, the best months to visit Las Vegas are February, March, April. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
39°C
July
Coldest Month
4°C
January
Driest Month
1 days
September
Annual Range
35°C
4° to 39°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 14°C | 4°C | 4 | 9h | View |
| February | 17°C | 5°C | 5 | 9h | View |
| March | 21°C | 9°C | 3 | 11h | View |
| April | 26°C | 12°C | 2 | 12h | View |
| May | 31°C | 17°C | 1 | 13h | View |
| June | 37°C | 22°C | 1 | 14h | View |
| July | 39°C | 26°C | 2 | 14h | View |
| August | 38°C | 26°C | 2 | 13h | View |
| September | 34°C | 21°C | 1 | 12h | View |
| October | 27°C | 15°C | 2 | 11h | View |
| November | 19°C | 8°C | 2 | 9h | View |
| December | 13°C | 4°C | 3 | 8h | View |
January
4 rain days, 9h sun
February
5 rain days, 9h sun
March
3 rain days, 11h sun
April
2 rain days, 12h sun
May
1 rain days, 13h sun
June
1 rain days, 14h sun
July
2 rain days, 14h sun
August
2 rain days, 13h sun
September
1 rain days, 12h sun
October
2 rain days, 11h sun
November
2 rain days, 9h sun
December
3 rain days, 8h sun
Las Vegas in July
Data Sources for Las Vegas
Climate normals represent 30-year averages (1991-2020). Individual years may vary.