California · county areal climate 1951–2025
Napa County, CA
A 60.0°F / 31.0" normal · 2025 ran +0.2°F vs normal.
2026 so far · through Jul 10: This area is running
+2.5°F (59.8°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
73% of normal.
U.S. year-to-date → Normal (1996–2025)
60.0°F
annual mean · 31.0" precipitation
2025 vs Normal
+0.2°F
60.2°F · 25.6" (83% of normal)
Warmest Year
62.1°F
2014 · coldest 57.2°F (1982)
Wettest Year
65.9in
1983 · driest 6.7" (2013)
Hottest Day
110.6°F
Jul 15 · 1972
Coldest Day
14.8°F
Dec 22 · 1990
Biggest Rain Day
5.45in
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.