Illinois · county areal climate 1951–2025

Carroll County, IL

A 37.6" / 49.4°F normal · 2025 ran 86% of normal precipitation.
2026 so far · through Jul 25: This area is at 86% (19.6") of the 1996–2025 to-date normal — the 34th driest start of 76 years. Temperature +2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

37.6in
annual precipitation · 49.4°F

2025 vs Normal

86%
32.2" · 50.0°F (+0.6 vs normal)

Wettest Year

51.7in
2019

Driest Year

21.2in
1988

Biggest Rain Day

4.41in
Jul 22 · 2017

Warmest Year

52.2°F
1998

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

21°
J
25°
F
38°
M
49°
A
60°
M
70°
J
73°
J
71°
A
65°
S
52°
O
39°
N
27°
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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