Is Hermosillo hot in August?
Days are typically very hot at 38.3°C, while nights average 25.5°C.
Mexico · 1991–2020 normal
Typical August weather in Hermosillo: 38.3°C by day, 25.5°C at night, 99 mm of rain over 6.9 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, August scores 22 out of 100 (January leads the year at 91). Daylight is calculated as 13 h 11 from latitude 29.09°.
August at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically very hot at 38.3°C, while nights average 25.5°C.
The measured monthly average is 99 mm across about 7 wet days.
There are about 13 h 11 between sunrise and sunset at mid-month, calculated from the place latitude.
August ranks 11 of 12 in our weather comparison; January ranks first.
The evidence behind this page
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The weather comparison for Hermosillo is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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