South Carolina · county areal climate 1951–2025
Union County, SC
A 61.8°F / 44.5" normal · 2025 ran -0.2°F vs normal.
2026 so far · through Jul 9: This area is running
+1°F (60.3°F) vs the 1996–2025 to-date normal — the
10th warmest start of 76 years. Precipitation
78% of normal.
U.S. year-to-date → Normal (1996–2025)
61.8°F
annual mean · 44.5" precipitation
2025 vs Normal
-0.2°F
61.6°F · 39.6" (89% of normal)
Warmest Year
63.2°F
1990 · coldest 59.2°F (1976)
Wettest Year
65.8in
1964 · driest 28.3" (2007)
Hottest Day
105.8°F
Aug 22 · 1983
Coldest Day
-1.4°F
Jan 22 · 1985
Biggest Rain Day
5.39in
Sep 27 · 2024
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.