Hot
Average highs reach 35°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
Trip feel
Drier
Rainfall averages 14mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h 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
October35°C average high
October sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
October14mm average rain
October sits on the drier side of Hermosillo's year, which helps with sightseeing and transfers.
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
October8.5 hours average sun
October 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
October84 weather score
October scores above Hermosillo's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to May and October
These months have the strongest weather score in the monthly averages.
