Best Time to Visit Hermosillo
Best time: May, Apr, Mar, Oct.
Jul is warmest (39.8°C high); Aug is rainiest (78 mm).
Hermosillo weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 24.4 | 5.9 | 19 | 5.4 |
| Feb | 26.3 | 6.7 | 14 | 6.7 |
| Mar | 28.8 | 8.4 | 5 | 8.3 |
| Apr | 32.4 | 10.9 | 3 | 9.9 |
| May | 35.8 | 14.3 | 3 | 11 |
| Jun | 39.6 | 19.4 | 6 | 11.1 |
| Jul | 39.8 | 24 | 76 | 9.9 |
| Aug | 39 | 23.9 | 78 | 9.4 |
| Sep | 38 | 22 | 40 | 8.5 |
| Oct | 34.6 | 15.8 | 12 | 7.8 |
| Nov | 29.3 | 9.4 | 10 | 6.1 |
| Dec | 24.9 | 6 | 22 | 5.2 |
Average high temperature
Best months by activity
Overall: MayAprMarOct
Beaches: MayJunAprOct
Hiking: MarAprNovFeb
Sightseeing: AprMayMarFeb
Hermosillo quick facts
What to pack
Hot months (Jun, Jul, Aug, Sep): light clothes, sunscreen, hat.
Frequently asked questions
When is the best time to visit Hermosillo?
May, Apr, Mar, Oct.
What is the rainiest month?
Aug, about 78 mm.
What is the warmest month?
Jul, with average highs of 39.8°C.
Where to stay
See Hermosillo hotels · Book Hermosillo tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.