Idaho · county areal climate 1951–2025
Lewis County, ID
A 46.3°F / 24.8" normal · 2025 ran +2.3°F vs normal.
2026 so far · through Jul 9: This area is running
+3°F (46.0°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
108% of normal.
U.S. year-to-date → Normal (1996–2025)
46.3°F
annual mean · 24.8" precipitation
2025 vs Normal
+2.3°F
48.6°F · 23.4" (94% of normal)
Warmest Year
48.6°F
2025 · coldest 42.0°F (1955)
Wettest Year
36.0in
1975 · driest 18.2" (1987)
Hottest Day
102.6°F
Jun 30 · 2021
Coldest Day
-27.1°F
Dec 30 · 1968
Biggest Rain Day
1.39in
Jul 10 · 1997
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.