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.
Temperatures
35° / 20°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
1
mm
Sun Hours
11.9
Hrs
