Weatheo

Hermosillo Weather by Month

Average temperatures, rainfall and humidity for Hermosillo, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical Hermosillo month looks like before you travel — then check the live Hermosillo forecast for the days ahead.

Warmest month

June

40°C average high

Coolest month

January

9°C average low

Wettest month

October

94 mm of rain

Driest month

May

0 mm of rain

Average temperature and rainfall in Hermosillo by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January26°C9°C-4°C / 35°C
6 mm
44%7 km/h
February28°C11°C-1°C / 38°C
6 mm
40%8 km/h
March30°C13°C4°C / 41°C
6 mm
35%9 km/h
April33°C16°C6°C / 41°C
5 mm
29%9 km/h
May35°C19°C7°C / 42°C
0 mm
29%10 km/h
June40°C24°C15°C / 48°C
6 mm
35%11 km/h
July40°C27°C21°C / 47°C
31 mm
50%11 km/h
August39°C27°C19°C / 44°C
34 mm
55%9 km/h
September37°C25°C12°C / 45°C
31 mm
58%9 km/h
October35°C20°C8°C / 44°C
94 mm
46%8 km/h
November30°C14°C3°C / 40°C
5 mm
41%7 km/h
December26°C11°C-2°C / 34°C
2 mm
45%7 km/h

Best time to visit Hermosillo

The most comfortable time to visit Hermosillo is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around October, totalling about 226 mm a year.

Travellers who prefer heat should aim for June, when highs average 40°C. October is the month to avoid if rain would spoil your plans — it averages 94 mm, roughly 94× the rainfall of the driest month (May).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Hermosillo forecast for what is happening now.

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