California · county areal climate 1951–2025
San Diego County, CA
A 63.5°F / 12.0" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 9: This area is running
+3.5°F (63.7°F) vs the 1996–2025 to-date normal — the
1st warmest start of 76 years. Precipitation
81% of normal.
U.S. year-to-date → Normal (1996–2025)
63.5°F
annual mean · 12.0" precipitation
2025 vs Normal
+0.8°F
64.3°F · 11.8" (99% of normal)
Warmest Year
65.9°F
2014 · coldest 59.9°F (1975)
Wettest Year
29.0in
1978 · driest 4.7" (1989)
Hottest Day
109.4°F
Sep 7 · 2020
Coldest Day
23.5°F
Dec 21 · 1968
Biggest Rain Day
2.98in
Jan 5 · 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.