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The temperatures in Las Vegas during August are extremely high, between 28°C and hot as 38°C, drinking water regularly is advisable.
There shouldn't be any rainy days in in Las Vegas during August. Having said that, the days are very hot in August so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Las Vegas in August 2025.
If you’re planning to visit Las Vegas in the near future, we highly recommend that you review the 14 day weather forecast for Las Vegas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 4° | 2 | 29 | 0 | 25 mm | Ok | Las Vegas in January |
| February | 14° / 6° | 1 | 27 | 0 | 26 mm | Good | Las Vegas in February |
| March | 19° / 11° | 1 | 30 | 0 | 16 mm | Good | Las Vegas in March |
| April | 24° / 15° | 1 | 29 | 0 | 7 mm | Perfect | Las Vegas in April |
| May | 30° / 19° | 1 | 30 | 0 | 8 mm | Good | Las Vegas in May |
| June | 37° / 25° | 0 | 30 | 0 | 2 mm | Ok | Las Vegas in June |
| July | 39° / 28° | 1 | 30 | 0 | 17 mm | Bad | Las Vegas in July |
| August | 38° / 28° | 0 | 31 | 0 | 16 mm | Bad | Las Vegas in August |
| September | 34° / 24° | 0 | 30 | 0 | 6 mm | Ok | Las Vegas in September |
| October | 25° / 16° | 1 | 30 | 0 | 11 mm | Perfect | Las Vegas in October |
| November | 17° / 9° | 0 | 30 | 0 | 11 mm | Good | Las Vegas in November |
| December | 11° / 4° | 1 | 30 | 0 | 26 mm | Ok | Las Vegas in December |