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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Belleville, IL
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January
Average Temperature
High
4°
Feels 1
Low
-5°
Feels -10
Average Precipitation
7 Days
Rain amount
37.1mm
Snow amount
10.2cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5°
5
12°
6
15°
7
15°
8
16°
9
22°
10
6°
11
1°
12
6°
13
9°
14
-1°
15
3°
16
7°
17
5°
18
5°
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, January 4, 2026
Day
5°
Feels 3
Wind
12 km/h SE
Gust
18 km/h
Humidity
50%
P.O.P
30%
Night
0°
Feels -4
Wind
16 km/h S
Gust
24 km/h
Humidity
84%
P.O.P
20%
Historical Averages
Jan 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.