S
M
T
W
T
F
S
27
27°
7°
28
19°
8°
29
20°
11°
30
22°
12°
31
38°
10°
1
37°
9°
2
21°
10°
3
20°
14°
4
34°
8°
5
34°
5°
6
20°
7°
7
25°
1°
8
21°
1°
9
16°
5°
10
17°
17°
11
32°
19°
12
32°
22°
13
35°
13°
14
36°
4°
15
34°
5°
16
17°
12°
17
22°
18°
18
36°
11°
19
36°
9°
20
24°
15°
21
21°
19°
22
31°
19°
23
32°
18°
24
32°
17°
25
36°
13°
26
34°
11°
27
23°
17°
28
31°
16°
29
28°
16°
30
29°
2°
31
31°
1°
1
21°
9°
2
17°
10°
3
22°
10°
4
23°
11°
5
21°
12°
6
35°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Summerside
Summerside's January 2027 forecast shows daily high temperatures ranging from 16° to 38°, with overnight lows between 1° and 22°. The average high for January is 27° with an average low of 11°. 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 Summerside. See also: February | March | April.
