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Weather extremes
How extreme does Rohnert Park's weather get?
The hottest, coldest, wettest and snowiest days Rohnert Park 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 Rohnert Park has recorded — each shown against what a normal day that time of year looks like.
That is about 31°F hotter than a normal September afternoon in Rohnert Park (typical high near 84°F).
The three most extreme on record
About 22°F colder than a normal December night in Rohnert Park (typical low near 38°F).
The three most extreme on record
More rain in a single day than Rohnert Park usually gets in the whole month of October (typical October total about 1.6 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.
Rohnert Park's record heat sits well above even a hot day for the season — September's 115°F is about 31°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 Rosa (NOAA GHCN station USC00047965), about 13 km from the city centre.