Click on a day for an hourly weather forecast
The weather in Arizona in May is hot. The average temperatures are between 21°C and 33°C.
There shouldn't be any rainy days in in Arizona 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 Arizona in May 2025.
If you’re planning to visit Arizona in the near future, we highly recommend that you review the 14 day weather forecast for Arizona before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 9° | 1 | 30 | 0 | 34 mm | Good | Arizona in January |
| February | 21° / 11° | 2 | 26 | 0 | 31 mm | Good | Arizona in February |
| March | 25° / 14° | 1 | 30 | 0 | 24 mm | Perfect | Arizona in March |
| April | 29° / 18° | 1 | 29 | 0 | 9 mm | Good | Arizona in April |
| May | 33° / 21° | 0 | 31 | 0 | 4 mm | Good | Arizona in May |
| June | 39° / 27° | 0 | 30 | 0 | 6 mm | Bad | Arizona in June |
| July | 39° / 30° | 4 | 27 | 0 | 64 mm | Bad | Arizona in July |
| August | 39° / 30° | 3 | 28 | 0 | 54 mm | Bad | Arizona in August |
| September | 37° / 28° | 3 | 27 | 0 | 54 mm | Ok | Arizona in September |
| October | 31° / 21° | 2 | 29 | 0 | 27 mm | Good | Arizona in October |
| November | 25° / 15° | 1 | 29 | 0 | 23 mm | Perfect | Arizona in November |
| December | 18° / 10° | 2 | 29 | 0 | 37 mm | Good | Arizona in December |