West Virginia · county areal climate 1951–2025
Mercer County, WV
A 52.5°F / 42.3" normal · 2025 ran -0.5°F vs normal.
2026 so far · through Aug 29: This area is running
+0.4°F (54.4°F) vs the 1996–2025 to-date normal — the
15th warmest start of 76 years. Precipitation
95% of normal.
U.S. year-to-date → Normal (1996–2025)
52.5°F
annual mean · 42.3" precipitation
2025 vs Normal
-0.5°F
52.0°F · 38.7" (91% of normal)
Warmest Year
54.1°F
1990 · coldest 49.2°F (1963)
Wettest Year
56.2in
2018 · driest 31.1" (1988)
Hottest Day
96.8°F
Jun 30 · 2012
Coldest Day
-21.7°F
Jan 21 · 1985
Biggest Rain Day
3.22in
Sep 14 · 1966
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.