Click on a day for an hourly weather forecast
The weather in Las Cruces in May is hot. The average temperatures are between 15°C and 30°C. Usually the days in May are hot while the nights are a bit cooler.
You can expect up to 3 rainy days in Las Cruces during the month of May.
Our weather forecast can give you a great sense of what weather to expect in Las Cruces in May 2026.
If you’re planning to visit Las Cruces in the near future, we highly recommend that you review the 14 day weather forecast for Las Cruces before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 3° | 1 | 29 | 1 | 16 mm | Ok | Las Cruces in January |
| February | 16° / 5° | 1 | 26 | 1 | 15 mm | Good | Las Cruces in February |
| March | 21° / 8° | 1 | 30 | 0 | 13 mm | Good | Las Cruces in March |
| April | 25° / 12° | 0 | 30 | 0 | 8 mm | Perfect | Las Cruces in April |
| May | 30° / 15° | 1 | 30 | 0 | 17 mm | Good | Las Cruces in May |
| June | 35° / 22° | 2 | 28 | 0 | 44 mm | Ok | Las Cruces in June |
| July | 34° / 24° | 6 | 25 | 0 | 123 mm | Ok | Las Cruces in July |
| August | 33° / 23° | 5 | 26 | 0 | 110 mm | Good | Las Cruces in August |
| September | 30° / 19° | 4 | 26 | 0 | 89 mm | Good | Las Cruces in September |
| October | 25° / 13° | 2 | 29 | 0 | 58 mm | Perfect | Las Cruces in October |
| November | 18° / 7° | 1 | 28 | 0 | 27 mm | Good | Las Cruces in November |
| December | 13° / 3° | 2 | 28 | 1 | 26 mm | Ok | Las Cruces in December |