Idaho · county areal climate 1951–2025
Bonneville County, ID
A 42.6°F / 21.6" normal · 2025 ran +2.2°F vs normal.
2026 so far · through Jul 10: This area is running
+4.1°F (43.1°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
74% of normal.
U.S. year-to-date → Normal (1996–2025)
42.6°F
annual mean · 21.6" precipitation
2025 vs Normal
+2.2°F
44.8°F · 21.6" (100% of normal)
Warmest Year
44.8°F
2025 · coldest 38.2°F (1985)
Wettest Year
29.4in
1983 · driest 13.9" (1966)
Hottest Day
96.0°F
Jul 14 · 2002
Coldest Day
-29.2°F
Feb 1 · 1956
Biggest Rain Day
1.35in
Dec 24 · 1955
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.