Ohio · county areal climate 1951–2025
Mercer County, OH
A 39.1" / 51.5°F normal · 2025 ran 81% of normal precipitation.
2026 so far · through Jul 25: This area is at
97% (22.98") of the 1996–2025 to-date normal — the
47th driest start of 76 years. Temperature
+1.1°F vs normal.
U.S. year-to-date → Normal (1996–2025)
39.1in
annual precipitation · 51.5°F
2025 vs Normal
81%
31.7" · 51.3°F (-0.2 vs normal)
Biggest Rain Day
3.54in
Sep 8 · 2020
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.