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Weather extremes
How extreme does Hermosillo's weather get?
The hottest, coldest, wettest and snowiest days Hermosillo has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Hermosillo has recorded — each shown against what a normal day that time of year looks like.
That is about 15°F hotter than a normal June afternoon in Hermosillo (typical high near 106°F).
The three most extreme on record
About 19°F colder than a normal January night in Hermosillo (typical low near 47°F).
The three most extreme on record
More rain in a single day than Hermosillo usually gets in the whole month of September (typical September total about 2.5 in).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Hermosillo's record heat sits well above even a hot day for the season — June's 121°F is about 15°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Hermosillo Ii (dge), about 2 km from the city centre.