S
M
T
W
T
F
S
27
34°
14°
28
33°
18°
29
34°
19°
30
36°
18°
31
37°
16°
1
33°
17°
2
31°
16°
3
31°
19°
4
32°
21°
5
36°
19°
6
37°
21°
7
Hist. Avg.
31°
12°
8
Hist. Avg.
32°
13°
9
Hist. Avg.
32°
13°
10
Hist. Avg.
32°
13°
11
Hist. Avg.
32°
13°
12
Hist. Avg.
32°
13°
13
Hist. Avg.
32°
13°
14
Hist. Avg.
32°
13°
15
Hist. Avg.
32°
13°
16
Hist. Avg.
32°
13°
17
Hist. Avg.
32°
14°
18
Hist. Avg.
33°
14°
19
Hist. Avg.
33°
14°
20
Hist. Avg.
33°
14°
21
Hist. Avg.
33°
14°
22
Hist. Avg.
33°
14°
23
Hist. Avg.
33°
14°
24
Hist. Avg.
33°
14°
25
Hist. Avg.
33°
14°
26
Hist. Avg.
34°
15°
27
Hist. Avg.
34°
15°
28
Hist. Avg.
34°
15°
29
Hist. Avg.
34°
15°
30
Hist. Avg.
34°
15°
31
Hist. Avg.
34°
15°
1
Hist. Avg.
34°
15°
2
Hist. Avg.
34°
15°
3
Hist. Avg.
34°
16°
4
Hist. Avg.
35°
16°
5
Hist. Avg.
35°
16°
6
Hist. Avg.
35°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Helena
Helena's January 2027 forecast shows daily high temperatures ranging from 31° to 37°, with overnight lows between 14° and 21°. The average high for January is 34° with an average low of 18°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Helena. See also: February | March | April.
