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Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Roundup, MT
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January
Average Temperature
High
3°
Feels 0
Low
-8°
Feels -14
Average Precipitation
5 Days
Rain amount
0mm
Snow amount
15.6cm
Content continues below
Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
16°
13
14°
14
17°
15
8°
16
4°
17
9°
18
8°
19
5°
20
5°
21
4°
22
3°
23
0°
24
3°
25
5°
26
4°
27
28
29
30
31
Forecast
Monday, January 12, 2026
Day
16°
Feels 13
Wind
60 km/h W
Gust
90 km/h
Humidity
25%
P.O.P
20%
Night
10°
Feels 6
Wind
47 km/h W
Gust
71 km/h
Humidity
43%
P.O.P
30%
Historical Averages
Jan 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.