Washington · county areal climate 1951–2025
Mason County, WA
A 49.4°F / 92.4" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 10: This area is running
+1.7°F (48.7°F) vs the 1996–2025 to-date normal — the
5th warmest start of 76 years. Precipitation
86% of normal.
U.S. year-to-date → Normal (1996–2025)
49.4°F
annual mean · 92.4" precipitation
2025 vs Normal
+1.1°F
50.5°F · 79.6" (86% of normal)
Warmest Year
51.6°F
2015 · coldest 45.7°F (1955)
Wettest Year
117.3in
1997 · driest 57.5" (1985)
Hottest Day
102.5°F
Jun 28 · 2021
Coldest Day
4.9°F
Nov 15 · 1955
Biggest Rain Day
5.01in
Oct 20 · 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.