Washington · county areal climate 1951–2025
Island County, WA
A 51.1°F / 27.5" normal · 2025 ran +1.3°F vs normal.
2026 so far · through Jul 9: This area is running
+2°F (51.0°F) vs the 1996–2025 to-date normal — the
5th warmest start of 76 years. Precipitation
91% of normal.
U.S. year-to-date → Normal (1996–2025)
51.1°F
annual mean · 27.5" precipitation
2025 vs Normal
+1.3°F
52.4°F · 22.6" (82% of normal)
Warmest Year
52.9°F
2015 · coldest 47.1°F (1955)
Wettest Year
35.0in
2012 · driest 17.7" (1952)
Hottest Day
96.5°F
Jun 27 · 2021
Coldest Day
5.3°F
Dec 16 · 1964
Biggest Rain Day
1.61in
Nov 4 · 1978
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.