North Dakota · county areal climate 1951–2025
Sioux County, ND
A 43.4°F / 18.2" normal · 2025 ran +0.7°F vs normal.
2026 so far · through Jul 9: This area is running
+3.2°F (42.2°F) vs the 1996–2025 to-date normal — the
8th warmest start of 76 years. Precipitation
66% of normal.
U.S. year-to-date → Normal (1996–2025)
43.4°F
annual mean · 18.2" precipitation
2025 vs Normal
+0.7°F
44.1°F · 24.8" (136% of normal)
Warmest Year
46.9°F
1987 · coldest 37.8°F (1951)
Wettest Year
27.2in
2019 · driest 9.8" (2002)
Hottest Day
108.5°F
Jun 29 · 2002
Coldest Day
-38.2°F
Jan 29 · 1966
Biggest Rain Day
3.26in
Oct 5 · 2013
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.