Washington · county areal climate 1951–2025

Walla Walla County, WA

A 14.5" / 53.0°F normal · 2025 ran 96% of normal precipitation.
2026 so far · through Jul 25: This area is at 89% (7.54") of the 1996–2025 to-date normal — the 31st driest start of 76 years. Temperature +1.9°F vs normal. U.S. year-to-date →

Normal (1996–2025)

14.5in
annual precipitation · 53.0°F

2025 vs Normal

96%
13.9" · 54.6°F (+1.6 vs normal)

Wettest Year

23.0in
1996

Driest Year

10.1in
1952

Biggest Rain Day

1.59in
Nov 19 · 1996

Warmest Year

55.4°F
2015

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

35°
J
38°
F
45°
M
51°
A
59°
M
66°
J
74°
J
73°
A
64°
S
52°
O
41°
N
34°
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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