Illinois · county areal climate 1951–2025

Perry County, IL

A 44.6" / 56.4°F normal · 2025 ran 79% of normal precipitation.
2026 so far · through Jul 25: This area is at 69% (19.15") of the 1996–2025 to-date normal — the 11th driest start of 76 years. Temperature +2.3°F vs normal. U.S. year-to-date →

Normal (1996–2025)

44.6in
annual precipitation · 56.4°F

2025 vs Normal

79%
35.3" · 57.1°F (+0.7 vs normal)

Wettest Year

64.2in
2011

Driest Year

24.9in
1953

Biggest Rain Day

5.11in
Aug 17 · 1959

Warmest Year

59.0°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

32°
J
36°
F
46°
M
56°
A
66°
M
75°
J
78°
J
76°
A
69°
S
58°
O
46°
N
36°
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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