Decatur, IL
Illinois · Honest neighborhood reviews
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Median Income
$63K
Median Home Price
$119K
Avg Walk Score
8/100
Neighborhoods
1
Climate
Weather in Decatur
🍂
Humid Continental
Cold, snowy winters and warm summers. Four distinct seasons with year-round precipitation.
Avg High
63°F
Avg Low
46°F
Annual Rain
40.7"
Hottest / Coldest
Jun / Feb
Monthly temperatures & rain
38°
23°J
39°
21°F
53°
35°M
62°
43°A
74°
55°M
84°
65°J
84°
68°J
83°
67°A
78°
61°S
65°
50°O
52°
35°N
46°
31°D
Temp range (high / low)
Precipitation (relative)
Wettest: OctBased on 2021–2023 climate data · Open-Meteo ERA5 archive · Temperatures in °F