California · county areal climate 1951–2025
Sonoma County, CA
A 57.6°F / 41.3" normal · 2025 ran +0.3°F vs normal.
2026 so far · through Jul 9: This area is running
+2.8°F (58.0°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
76% of normal.
U.S. year-to-date → Normal (1996–2025)
57.6°F
annual mean · 41.3" precipitation
2025 vs Normal
+0.3°F
57.9°F · 36.6" (89% of normal)
Warmest Year
59.8°F
2014 · coldest 54.9°F (1975)
Wettest Year
88.8in
1983 · driest 10.1" (2013)
Hottest Day
105.9°F
Sep 7 · 2022
Coldest Day
16.1°F
Dec 22 · 1990
Biggest Rain Day
6.16in
Dec 12 · 1995
Record
1951–2025
75 complete years · NOAA nClimGrid
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal
nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the
station records.