California · county areal climate 1951–2025

Alameda County, CA

A 18.8" / 59.7°F normal · 2025 ran 83% of normal precipitation.
2026 so far · through Jul 25: This area is at 87% (10.07") of the 1996–2025 to-date normal — the 33rd driest start of 76 years. Temperature +2.8°F vs normal. U.S. year-to-date →

Normal (1996–2025)

18.8in
annual precipitation · 59.7°F

2025 vs Normal

83%
15.5" · 60.1°F (+0.4 vs normal)

Wettest Year

40.1in
1983

Driest Year

5.1in
2013

Biggest Rain Day

3.22in
Oct 25 · 2021

Warmest Year

62.0°F
2014

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

49°
J
51°
F
54°
M
57°
A
62°
M
67°
J
71°
J
71°
A
69°
S
63°
O
54°
N
49°
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.

Nearby

← All California countiesU.S. overview
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved