Illinois · county areal climate 1951–2025

Greene County, IL

A 40.0" / 54.5°F normal · 2025 ran 72% of normal precipitation.
2026 so far · through Jul 25: This area is at 90% (22.12") of the 1996–2025 to-date normal — the 35th driest start of 76 years. Temperature +2.2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

40.0in
annual precipitation · 54.5°F

2025 vs Normal

72%
28.8" · 55.4°F (+0.9 vs normal)

Wettest Year

57.0in
2015

Driest Year

23.6in
1953

Biggest Rain Day

4.23in
Dec 3 · 1982

Warmest Year

57.3°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

29°
J
33°
F
44°
M
54°
A
65°
M
74°
J
77°
J
75°
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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