Oklahoma · county areal climate 1951–2025
Harper County, OK
A 58.5°F / 23.4" normal · 2025 ran +0.3°F vs normal.
2026 so far · through Jul 9: This area is running
+4.2°F (59.3°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
67% of normal.
U.S. year-to-date → Normal (1996–2025)
58.5°F
annual mean · 23.4" precipitation
2025 vs Normal
+0.3°F
58.8°F · 27.6" (118% of normal)
Warmest Year
61.0°F
2012 · coldest 55.3°F (1993)
Wettest Year
39.6in
1957 · driest 10.7" (1954)
Hottest Day
111.5°F
Jun 27 · 2011
Coldest Day
-14.1°F
Jan 4 · 1959
Biggest Rain Day
4.05in
May 16 · 1951
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.