Illinois · county areal climate 1951–2025

McDonough County, IL

A 38.3" / 52.1°F normal · 2025 ran 76% of normal precipitation.
2026 so far · through Jul 25: This area is at 104% (24.4") of the 1996–2025 to-date normal — the 24th wettest start of 76 years. Temperature +2.3°F vs normal. U.S. year-to-date →

Normal (1996–2025)

38.3in
annual precipitation · 52.1°F

2025 vs Normal

76%
29.0" · 53.0°F (+0.9 vs normal)

Wettest Year

52.7in
2010

Driest Year

22.9in
1988

Biggest Rain Day

4.53in
Apr 18 · 2013

Warmest Year

54.8°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

25°
J
29°
F
41°
M
52°
A
63°
M
72°
J
75°
J
73°
A
67°
S
54°
O
42°
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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