Wisconsin · county areal climate 1951–2025
Waukesha County, WI
A 47.4°F / 35.7" normal · 2025 ran +0.2°F vs normal.
2026 so far · through Jul 9: This area is running
+1.5°F (44.5°F) vs the 1996–2025 to-date normal — the
12th warmest start of 76 years. Precipitation
105% of normal.
U.S. year-to-date → Normal (1996–2025)
47.4°F
annual mean · 35.7" precipitation
2025 vs Normal
+0.2°F
47.6°F · 36.4" (102% of normal)
Warmest Year
50.5°F
2012 · coldest 43.2°F (1951)
Wettest Year
45.2in
2018 · driest 20.6" (1963)
Hottest Day
103.0°F
Jul 6 · 2012
Coldest Day
-29.2°F
Jan 30 · 1951
Biggest Rain Day
5.0in
Sep 12 · 2022
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.