Weather in Las Vegas
Live weather and 7-day forecast for Las Vegas, United States, followed by what to expect in each month of the year.
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7-day forecast
Forecast data from Open-Meteo
Climate in Las Vegas: month by month
Averaged over 2023–2025, the warmest month in Las Vegas is July, with highs around 43 °C (109 °F) and lows around 28 °C (82 °F); the coolest is January, with highs around 14 °C (57 °F) and lows around 3 °C (37 °F).
Las Vegas gets about 159 mm (6 in) of precipitation a year. That makes it a dry climate; even the wettest month, August, averages only 30 mm.
| Month | Avg high | Avg low | Precipitation (in) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 57° | 37° | 0.8 | 4 | 9h 58m |
| February | 64° | 42° | 1.0 | 5 | 10h 53m |
| March | 69° | 47° | 0.6 | 4 | 11h 56m |
| April | 82° | 56° | 0.0 | 0 | 13h 7m |
| May | 91° | 65° | 0.3 | 1 | 14h 5m |
| June | 102° | 75° | 0.3 | 1 | 14h 36m |
| July | 109° | 82° | 0.0 | 0 | 14h 23m |
| August | 104° | 79° | 1.2 | 2 | 13h 33m |
| September | 96° | 72° | 0.6 | 1 | 12h 26m |
| October | 86° | 61° | 0.3 | 1 | 11h 18m |
| November | 68° | 47° | 0.8 | 2 | 10h 16m |
| December | 62° | 42° | 0.4 | 1 | 9h 43m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Las Vegas's coordinates (model elevation 620 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Las Vegas
What is the hottest month in Las Vegas?
July, with average highs of 43 °C (109 °F) and lows of 28 °C (82 °F) over 2023–2025. The coolest month is January, averaging 14 °C (57 °F) by day and 3 °C (37 °F) at night.
What is the rainiest month in Las Vegas?
August, with about 30 mm of precipitation on roughly 2 days. The driest month is July (0 mm), and the yearly total is around 159 mm.
When is the weather mildest in Las Vegas?
Going by the averages, March and November are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. August is the month most likely to bring rain.
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Las Vegas local time (America/Los_Angeles).