Iowa · county areal climate 1951–2025
Dubuque County, IA
A 48.0°F / 37.8" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 10: This area is running
+2.1°F (46.1°F) vs the 1996–2025 to-date normal — the
7th warmest start of 76 years. Precipitation
122% of normal.
U.S. year-to-date → Normal (1996–2025)
48.0°F
annual mean · 37.8" precipitation
2025 vs Normal
+0.8°F
48.8°F · 33.2" (88% of normal)
Warmest Year
51.1°F
2012 · coldest 43.6°F (1951)
Wettest Year
51.1in
2018 · driest 20.4" (1988)
Hottest Day
100.6°F
Aug 18 · 1988
Coldest Day
-31.4°F
Jan 16 · 2009
Biggest Rain Day
4.18in
Jul 22 · 2017
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.