Las Vegas climate at a glance
Las Vegas sees average daytime highs ranging from 14°C in January to 42°C in July. Around 124 mm of precipitation falls over roughly 23 wet days a year, peaking in February (20 mm) and easing off in May (2 mm). June is the sunniest month at about 14 hours of sunshine.
Las Vegas temperature & rainfall by month
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Weather seasons in Las Vegas
Grouped by the monthly travel score — purely weather-based, not crowd or price data.
Las Vegas climate, month by month
Averages computed from ERA5 reanalysis data, 2019–2024. Daylight on the 15th: 11.7 h in March. Reuse this data freely with attribution — download as JSON or CSV.
| Month | High | Low | Rain days | Rainfall | Sun/day | Humidity | Score |
|---|---|---|---|---|---|---|---|
| January | 14°C | 4°C | 3.5 | 18 mm | 8.5 h | 45% | 8.4 · Good |
| February | 16°C | 5°C | 3.5 | 20 mm | 9.4 h | 38% | 9.7 · Excellent |
| March | 20°C | 9°C | 5.3 | 20 mm | 10.3 h | 34% | 10.0 · Excellent |
| April | 27°C | 14°C | 0.8 | 3 mm | 12.2 h | 21% | 10.0 · Excellent |
| May | 32°C | 18°C | 0.5 | 2 mm | 13 h | 18% | 7.7 · Good |
| June | 38°C | 24°C | 0.3 | 3 mm | 13.6 h | 14% | 2.6 · Challenging |
| July | 42°C | 28°C | 1 | 5 mm | 13.3 h | 18% | 1.3 · Challenging |
| August | 40°C | 27°C | 2.3 | 17 mm | 12.5 h | 23% | 1.0 · Challenging |
| September | 36°C | 23°C | 1 | 11 mm | 11.5 h | 22% | 4.2 · Poor |
| October | 28°C | 15°C | 0.7 | 3 mm | 10.7 h | 21% | 10.0 · Excellent |
| November | 20°C | 8°C | 1.7 | 13 mm | 9.3 h | 30% | 10.0 · Excellent |
| December | 15°C | 4°C | 2.2 | 11 mm | 8 h | 43% | 8.8 · Excellent |
Frequently asked questions
What is the best time to visit Las Vegas?
The best time to visit Las Vegas is February–April & October–November, when daytime highs average around 20°C with about 5.3 rainy days per month.
What is the hottest month in Las Vegas?
July is the hottest month in Las Vegas, with average highs of 42°C.
What is the rainiest month in Las Vegas?
February is the rainiest month in Las Vegas, with around 20 mm of rainfall over 3.5 rainy days.
Where should you go next month?
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