Idaho · county areal climate 1951–2025
Lemhi County, ID
A 40.1°F / 20.3" normal · 2025 ran +2°F vs normal.
2026 so far · through Jul 9: This area is running
+3.5°F (40.0°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
87% of normal.
U.S. year-to-date → Normal (1996–2025)
40.1°F
annual mean · 20.3" precipitation
2025 vs Normal
+2°F
42.1°F · 22.1" (109% of normal)
Warmest Year
42.1°F
2015 · coldest 36.1°F (1985)
Wettest Year
28.6in
1995 · driest 14.0" (1966)
Hottest Day
94.4°F
Jul 13 · 2002
Coldest Day
-34.4°F
Feb 1 · 1956
Biggest Rain Day
1.83in
Dec 22 · 1964
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.