California · county areal climate 1951–2025

Napa County, CA

A 31.0" / 60.0°F normal · 2025 ran 83% of normal precipitation.
2026 so far · through Jul 25: This area is at 73% (13.95") of the 1996–2025 to-date normal — the 23rd driest start of 76 years. Temperature +2.5°F vs normal. U.S. year-to-date →

Normal (1996–2025)

31.0in
annual precipitation · 60.0°F

2025 vs Normal

83%
25.6" · 60.2°F (+0.2 vs normal)

Wettest Year

65.9in
1983

Driest Year

6.7in
2013

Biggest Rain Day

5.45in
Dec 12 · 1995

Warmest Year

62.1°F
2014

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

48°
J
50°
F
53°
M
57°
A
63°
M
69°
J
73°
J
73°
A
70°
S
63°
O
53°
N
48°
D
—— 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.

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