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The weather in Tucson in May is hot. The average temperatures are between 16°C and 31°C. Usually the days in May are hot while the nights are a bit cooler.
There shouldn't be any rainy days in in Tucson during May. Having said that, the days are very hot in May 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 Tucson in May 2025.
If you’re planning to visit Tucson in the near future, we highly recommend that you review the 14 day weather forecast for Tucson before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 7° | 1 | 29 | 0 | 25 mm | Good | Tucson in January |
| February | 19° / 8° | 1 | 27 | 0 | 18 mm | Good | Tucson in February |
| March | 23° / 11° | 1 | 30 | 0 | 9 mm | Perfect | Tucson in March |
| April | 27° / 13° | 1 | 30 | 0 | 4 mm | Perfect | Tucson in April |
| May | 31° / 16° | 0 | 31 | 0 | 4 mm | Good | Tucson in May |
| June | 37° / 22° | 0 | 30 | 0 | 9 mm | Ok | Tucson in June |
| July | 36° / 25° | 4 | 27 | 0 | 63 mm | Ok | Tucson in July |
| August | 36° / 25° | 3 | 28 | 0 | 53 mm | Ok | Tucson in August |
| September | 34° / 22° | 2 | 28 | 0 | 43 mm | Ok | Tucson in September |
| October | 29° / 16° | 1 | 30 | 0 | 17 mm | Good | Tucson in October |
| November | 23° / 11° | 1 | 29 | 0 | 15 mm | Perfect | Tucson in November |
| December | 18° / 7° | 1 | 30 | 0 | 21 mm | Good | Tucson in December |