Illinois · county areal climate 1951–2025

Henderson County, IL

A 37.0" / 51.8°F normal · 2025 ran 80% of normal precipitation.
2026 so far · through Jul 25: This area is at 98% (22.19") of the 1996–2025 to-date normal — the 49th driest start of 76 years. Temperature +2.4°F vs normal. U.S. year-to-date →

Normal (1996–2025)

37.0in
annual precipitation · 51.8°F

2025 vs Normal

80%
29.7" · 52.7°F (+0.9 vs normal)

Wettest Year

52.6in
2009

Driest Year

22.6in
1988

Biggest Rain Day

3.69in
Apr 18 · 2013

Warmest Year

54.6°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
28°
F
40°
M
52°
A
63°
M
72°
J
75°
J
73°
A
67°
S
54°
O
41°
N
30°
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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