Pennsylvania · county areal climate 1951–2025
Jefferson County, PA
A 48.3°F / 45.1" normal · 2025 ran -0.1°F vs normal.
2026 so far · through Jul 9: This area is running
+0.3°F (44.8°F) vs the 1996–2025 to-date normal — the
17th warmest start of 76 years. Precipitation
103% of normal.
U.S. year-to-date → Normal (1996–2025)
48.3°F
annual mean · 45.1" precipitation
2025 vs Normal
-0.1°F
48.2°F · 39.3" (87% of normal)
Warmest Year
51.0°F
2024 · coldest 44.5°F (1958)
Wettest Year
61.1in
2018 · driest 32.2" (1988)
Hottest Day
99.7°F
Jul 23 · 2011
Coldest Day
-26.1°F
Jan 20 · 1994
Biggest Rain Day
4.08in
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.