Washington · county areal climate 1951–2025
Snohomish County, WA
A 46.9°F / 85.6" normal · 2025 ran +1.6°F vs normal.
2026 so far · through Jul 10: This area is running
+2.3°F (46.5°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
91% of normal.
U.S. year-to-date → Normal (1996–2025)
46.9°F
annual mean · 85.6" precipitation
2025 vs Normal
+1.6°F
48.5°F · 78.6" (92% of normal)
Warmest Year
49.2°F
2015 · coldest 42.9°F (1955)
Wettest Year
106.8in
1990 · driest 47.5" (1952)
Hottest Day
98.7°F
Jun 29 · 2021
Coldest Day
-6.2°F
Dec 30 · 1968
Biggest Rain Day
5.25in
Oct 21 · 2003
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.