Hot
Average highs reach 38°C, so days can feel very hot.
Weather Guide
Hermosillo, Sonora, Mexico Average Monthly Weather
Weather score73Very good annual avg
Best months: April, May, October
Across the year, average daytime temperatures are around 32°C, sunshine averages 8.4h per day, and rainfall totals about 301mm.
Annual weather
Annual averages
Temp
32°C
Rain
301mm
Annual total
Sun
8.4h
Weather score
73
Very good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 88mm, so some wet days are possible.
Bright
Sunshine averages 8.8h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Hermosillo, Sonora, Mexico with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August38°C average high
August is one of Hermosillo's hottest months, so shade and slower afternoons matter.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August88mm average rain
August is one of Hermosillo's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.8 hours average sun
August sits close to Hermosillo's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
Weather score
August57 weather score
August scores below Hermosillo's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to May and October
These months have the strongest weather score in the monthly averages.
