Mississippi · county areal climate 1951–2025
Jefferson County, MS
A 66.0°F / 57.9" normal · 2025 ran +1.3°F vs normal.
2026 so far · through Jul 9: This area is running
+2.3°F (66.1°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
103% of normal.
U.S. year-to-date → Normal (1996–2025)
66.0°F
annual mean · 57.9" precipitation
2025 vs Normal
+1.3°F
67.3°F · 51.5" (89% of normal)
Warmest Year
68.0°F
2023 · coldest 63.1°F (1968)
Wettest Year
77.8in
1979 · driest 36.6" (1952)
Hottest Day
105.2°F
Sep 2 · 2000
Coldest Day
3.3°F
Jan 12 · 1962
Biggest Rain Day
7.12in
Apr 13 · 1974
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.