Illinois · county areal climate 1951–2025

Sangamon County, IL

A 38.4" / 53.5°F normal · 2025 ran 71% of normal precipitation.
2026 so far · through Jul 25: This area is at 117% (26.83") of the 1996–2025 to-date normal — the 15th wettest start of 76 years. Temperature +1.9°F vs normal. U.S. year-to-date →

Normal (1996–2025)

38.4in
annual precipitation · 53.5°F

2025 vs Normal

71%
27.1" · 53.9°F (+0.4 vs normal)

Wettest Year

52.3in
2008

Driest Year

24.8in
1988

Biggest Rain Day

3.8in
Dec 3 · 1982

Warmest Year

56.4°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

27°
J
32°
F
43°
M
54°
A
64°
M
73°
J
76°
J
74°
A
68°
S
56°
O
43°
N
33°
D
—— 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.

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