Oklahoma · county areal climate 1951–2025
Harmon County, OK
A 62.5°F / 24.1" normal · 2025 ran +0.9°F vs normal.
2026 so far · through Jul 9: This area is running
+5.2°F (64.6°F) vs the 1996–2025 to-date normal — the
1st warmest start of 76 years. Precipitation
77% of normal.
U.S. year-to-date → Normal (1996–2025)
62.5°F
annual mean · 24.1" precipitation
2025 vs Normal
+0.9°F
63.4°F · 19.9" (83% of normal)
Warmest Year
65.1°F
2024 · coldest 58.9°F (1979)
Wettest Year
40.5in
2015 · driest 12.7" (1970)
Hottest Day
114.9°F
Jun 27 · 2011
Coldest Day
-7.6°F
Dec 23 · 1989
Biggest Rain Day
5.06in
Oct 20 · 1983
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.