Ohio · county areal climate 1951–2025
Jefferson County, OH
A 51.7°F / 41.7" normal · 2025 ran -0.6°F vs normal.
2026 so far · through Jul 9: This area is running
+0.2°F (48.1°F) vs the 1996–2025 to-date normal — the
21st warmest start of 76 years. Precipitation
97% of normal.
U.S. year-to-date → Normal (1996–2025)
51.7°F
annual mean · 41.7" precipitation
2025 vs Normal
-0.6°F
51.1°F · 32.8" (79% of normal)
Warmest Year
54.0°F
2024 · coldest 48.1°F (1963)
Wettest Year
60.6in
2018 · driest 27.6" (1963)
Hottest Day
99.4°F
Jul 8 · 1988
Coldest Day
-22.0°F
Jan 19 · 1994
Biggest Rain Day
3.74in
Sep 18 · 2004
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.