Illinois · county areal climate 1951–2025

Montgomery County, IL

A 40.9" / 54.3°F normal · 2025 ran 78% of normal precipitation.
2026 so far · through Jul 25: This area is at 112% (27.87") of the 1996–2025 to-date normal — the 14th wettest start of 76 years. Temperature +2.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

40.9in
annual precipitation · 54.3°F

2025 vs Normal

78%
31.9" · 55.2°F (+0.9 vs normal)

Wettest Year

53.2in
2008

Driest Year

26.1in
1953

Biggest Rain Day

4.1in
Dec 27 · 2015

Warmest Year

57.1°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

29°
J
33°
F
44°
M
54°
A
65°
M
73°
J
76°
J
74°
A
68°
S
56°
O
44°
N
34°
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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