Oklahoma · county areal climate 1951–2025
Jefferson County, OK
A 63.7°F / 34.5" normal · 2025 ran +0.7°F vs normal.
2026 so far · through Jul 9: This area is running
+3.8°F (64.4°F) vs the 1996–2025 to-date normal — the
1st warmest start of 76 years. Precipitation
91% of normal.
U.S. year-to-date → Normal (1996–2025)
63.7°F
annual mean · 34.5" precipitation
2025 vs Normal
+0.7°F
64.4°F · 39.6" (115% of normal)
Warmest Year
66.0°F
2024 · coldest 61.0°F (1983)
Wettest Year
65.8in
2015 · driest 20.1" (1952)
Hottest Day
112.7°F
Jun 28 · 1980
Coldest Day
-7.2°F
Dec 23 · 1989
Biggest Rain Day
6.74in
Jun 18 · 2015
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.