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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Bartlett, IL
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December
Average Temperature
High
1°
Feels -2
Low
-6°
Feels -11
Average Precipitation
9 Days
Rain amount
30.9mm
Snow amount
17.5cm
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Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
8°
25
5°
26
11°
27
8°
28
6°
29
-7°
30
-3°
31
-4°
Forecast
Wednesday, December 24, 2025
Day
8°
Feels 6
Wind
16 km/h SE
Gust
24 km/h
Humidity
57%
P.O.P
30%
Night
1°
Feels -3
Wind
13 km/h N
Gust
20 km/h
Humidity
100%
P.O.P
60%
Rain
<1 mm
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.