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Las Vegas Weather by Month
Average temperatures, rainfall and humidity for Las Vegas, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Las Vegas month looks like before you travel — then check the live Las Vegas forecast for the days ahead.
Warmest month
July
41°C average high
Coolest month
January
4°C average low
Wettest month
February
15 mm of rain
Driest month
June
3 mm of rain
Average temperature and rainfall in Las Vegas by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 15°C | 4°C | -13°C / 23°C | 13 mm | 45% | 12 km/h |
| February | 18°C | 6°C | -10°C / 28°C | 15 mm | 38% | 13 km/h |
| March | 22°C | 10°C | -5°C / 36°C | 14 mm | 32% | 16 km/h |
| April | 27°C | 14°C | -2°C / 37°C | 7 mm | 23% | 17 km/h |
| May | 31°C | 18°C | 1°C / 41°C | 9 mm | 21% | 16 km/h |
| June | 39°C | 24°C | 7°C / 46°C | 3 mm | 15% | 15 km/h |
| July | 41°C | 28°C | 15°C / 48°C | 10 mm | 21% | 14 km/h |
| August | 39°C | 26°C | 12°C / 47°C | 11 mm | 24% | 13 km/h |
| September | 35°C | 22°C | 5°C / 44°C | 11 mm | 26% | 13 km/h |
| October | 28°C | 14°C | -3°C / 40°C | 5 mm | 29% | 12 km/h |
| November | 20°C | 8°C | -7°C / 30°C | 7 mm | 35% | 11 km/h |
| December | 15°C | 4°C | -12°C / 24°C | 11 mm | 43% | 10 km/h |
Best time to visit Las Vegas
The most comfortable time to visit Las Vegas is generally March to April and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 113 mm a year.
Travellers who prefer heat should aim for July, when highs average 41°C. February is the month to avoid if rain would spoil your plans — it averages 15 mm, roughly 6× the rainfall of the driest month (June).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Las Vegas forecast for what is happening now.