Click on a day for an hourly weather forecast
The weather in Arizona in October is hot. The average temperatures are between 21°C and 31°C.
You can expect a few rainy days in Arizona during October, but usually the weather is comfortable in October.
Our weather forecast can give you a great sense of what weather to expect in Arizona in October 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 |