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Monthly Historical Averages
Duncan, OK
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January
Average Temperature
High
11°
Feels 9
Low
-2°
Feels -6
Average Precipitation
3 Days
Rain amount
13.8mm
Snow amount
6.1cm
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
17°
10
10°
11
11°
12
16°
13
18°
14
15°
15
5°
16
11°
17
5°
18
3°
19
9°
20
12°
21
10°
22
14°
23
11°
24
25
26
27
28
29
30
31
Forecast
Friday, January 9, 2026
Day
17°
Feels 17
Wind
14 km/h NE
Gust
22 km/h
Humidity
41%
P.O.P
0%
Night
2°
Feels -3
Wind
33 km/h N
Gust
49 km/h
Humidity
77%
P.O.P
10%
Historical Averages
Jan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.