Illinois · county areal climate 1951–2025

De Witt County, IL

A 38.2" / 52.4°F normal · 2025 ran 72% of normal precipitation.
2026 so far · through Jul 25: This area is at 101% (22.85") of the 1996–2025 to-date normal — the 33rd wettest start of 76 years. Temperature +1.9°F vs normal. U.S. year-to-date →

Normal (1996–2025)

38.2in
annual precipitation · 52.4°F

2025 vs Normal

72%
27.3" · 53.1°F (+0.7 vs normal)

Wettest Year

53.5in
1990

Driest Year

24.2in
1988

Biggest Rain Day

3.19in
Jan 8 · 2008

Warmest Year

55.3°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

26°
J
30°
F
41°
M
52°
A
63°
M
72°
J
75°
J
73°
A
67°
S
55°
O
42°
N
31°
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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