Click on a day for an hourly weather forecast
The weather in Hermosillo in October is hot. The average temperatures are between 22°C and 33°C.
You can expect a few rainy days in Hermosillo 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 Hermosillo in October 2026.
If you’re planning to visit Hermosillo in the near future, we highly recommend that you review the 14 day weather forecast for Hermosillo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 12° | 1 | 30 | 0 | 17 mm | Perfect | Hermosillo in January |
| February | 25° / 13° | 0 | 28 | 0 | 12 mm | Perfect | Hermosillo in February |
| March | 29° / 15° | 0 | 31 | 0 | 8 mm | Good | Hermosillo in March |
| April | 32° / 18° | 0 | 30 | 0 | 2 mm | Good | Hermosillo in April |
| May | 35° / 20° | 0 | 31 | 0 | 1 mm | Ok | Hermosillo in May |
| June | 39° / 26° | 0 | 30 | 0 | 15 mm | Bad | Hermosillo in June |
| July | 37° / 29° | 6 | 25 | 0 | 154 mm | Ok | Hermosillo in July |
| August | 37° / 28° | 8 | 23 | 0 | 155 mm | Bad | Hermosillo in August |
| September | 36° / 26° | 5 | 25 | 0 | 113 mm | Ok | Hermosillo in September |
| October | 33° / 22° | 1 | 30 | 0 | 28 mm | Good | Hermosillo in October |
| November | 28° / 17° | 1 | 29 | 0 | 20 mm | Perfect | Hermosillo in November |
| December | 23° / 13° | 1 | 30 | 0 | 16 mm | Perfect | Hermosillo in December |