The temperatures in Hermosillo during August are extremely high, between 28°C and hot as 37°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Hermosillo. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Hermosillo in August 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
37° / 28°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
155
mm
Sun Hours
11.8
Hrs
