Washington · county areal climate 1951–2025

San Juan County, WA

A 29.0" / 50.8°F normal · 2025 ran 102% of normal precipitation.
2026 so far · through Jul 25: This area is at 101% (14.33") of the 1996–2025 to-date normal — the 38th wettest start of 76 years. Temperature +1.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

29.0in
annual precipitation · 50.8°F

2025 vs Normal

102%
29.6" · 51.7°F (+0.9 vs normal)

Wettest Year

37.2in
1997

Driest Year

18.8in
1952

Biggest Rain Day

1.87in
Nov 8 · 1995

Warmest Year

52.4°F
2015

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

41°
J
42°
F
45°
M
49°
A
54°
M
59°
J
63°
J
63°
A
59°
S
51°
O
45°
N
40°
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

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