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The weather in Hermosillo in May is hot. The average temperatures are between 20°C and 35°C.
There shouldn't be any rainy days in in Hermosillo 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 Hermosillo in May 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 |