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Weather extremes
How extreme does San Clemente's weather get?
The hottest, coldest, wettest and snowiest days San Clemente 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 Clemente has recorded — each shown against what a normal day that time of year looks like.
That is about 33°F hotter than a normal July afternoon in San Clemente (typical high near 70°F).
The three most extreme on record
About 46°F colder than a normal August night in San Clemente (typical low near 66°F).
The three most extreme on record
More rain in a single day than San Clemente usually gets in the whole month of March (typical March total about 1.4 in).
The three most extreme on record
Top recorded days
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 Clemente's record heat sits well above even a hot day for the season — July's 103°F is about 33°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 NOAA's U.S. Climate Normals, measured at Santa Ana Fire Stn (NOAA GHCN station USC00047888), about 42 km from the city centre.