Click on a day for an hourly weather forecast
The weather in Las Vegas in May is hot. The average temperatures are between 19°C and 30°C. Usually the days in May are hot while the nights are a bit cooler.
You can expect a few rainy days in Las Vegas during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Las Vegas in May 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 |