S
M
T
W
T
F
S
27
30°
12°
28
30°
12°
29
29°
17°
30
30°
18°
31
30°
12°
1
34°
8°
2
29°
8°
3
26°
13°
4
28°
25°
5
35°
26°
6
38°
14°
7
39°
9°
8
34°
10°
9
26°
11°
10
29°
8°
11
29°
7°
12
24°
6°
13
23°
7°
14
26°
8°
15
26°
10°
16
27°
12°
17
29°
12°
18
28°
9°
19
27°
10°
20
25°
12°
21
29°
21°
22
31°
26°
23
38°
26°
24
40°
25°
25
41°
24°
26
39°
25°
27
39°
25°
28
40°
24°
29
38°
20°
30
31°
18°
31
29°
6°
1
38°
12°
2
Hist. Avg.
37°
20°
3
Hist. Avg.
38°
20°
4
Hist. Avg.
38°
21°
5
Hist. Avg.
38°
21°
6
Hist. Avg.
38°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Riverton
Riverton's January 2027 forecast shows daily high temperatures ranging from 23° to 41°, with overnight lows between 6° and 26°. The average high for January is 31° with an average low of 15°. 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 Riverton. See also: February | March | April.
