Idaho · county areal climate 1951–2025
Ada County, ID
A 52.3°F / 12.2" normal · 2025 ran +1.7°F vs normal.
2026 so far · through Jul 10: This area is running
+2.7°F (52.0°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
88% of normal.
U.S. year-to-date → Normal (1996–2025)
52.3°F
annual mean · 12.2" precipitation
2025 vs Normal
+1.7°F
54.0°F · 13.4" (110% of normal)
Warmest Year
54.3°F
2015 · coldest 47.0°F (1985)
Wettest Year
19.9in
1983 · driest 6.8" (1966)
Hottest Day
108.8°F
Jul 13 · 2002
Coldest Day
-20.6°F
Dec 23 · 1990
Biggest Rain Day
1.47in
May 12 · 1958
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.