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Weather extremes
How extreme does San Luis's weather get?
The hottest, coldest, wettest and snowiest days San Luis 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 San Luis has recorded — each shown against what a normal day that time of year looks like.
That is about 18°F hotter than a normal January afternoon in San Luis (typical high near 90°F).
The three most extreme on record
About 28°F colder than a normal August night in San Luis (typical low near 43°F).
The three most extreme on record
More rain in a single day than San Luis usually gets in the whole month of February (typical February total about 4.7 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.
San Luis's record heat sits well above even a hot day for the season — January's 108°F is about 18°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 the WMO's CLINO 1991–2020 collection, measured at San_luis_aero, about 3 km from the city centre.