S
M
T
W
T
F
S
27
37°
25°
28
37°
22°
29
36°
18°
30
29°
19°
31
27°
17°
1
28°
22°
2
36°
26°
3
39°
24°
4
38°
22°
5
36°
23°
6
31°
24°
7
35°
24°
8
34°
23°
9
35°
24°
10
37°
23°
11
36°
25°
12
37°
23°
13
37°
22°
14
36°
21°
15
33°
18°
16
30°
21°
17
30°
15°
18
31°
16°
19
27°
23°
20
37°
17°
21
37°
17°
22
28°
13°
23
31°
15°
24
25°
20°
25
33°
20°
26
30°
20°
27
29°
20°
28
27°
21°
29
31°
24°
30
36°
24°
31
Hist. Avg.
30°
17°
1
Hist. Avg.
30°
17°
2
Hist. Avg.
30°
17°
3
Hist. Avg.
30°
17°
4
Hist. Avg.
30°
17°
5
Hist. Avg.
30°
17°
6
Hist. Avg.
30°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in St. John's
St. John's's January 2027 forecast shows daily high temperatures ranging from 25° to 39°, with overnight lows between 13° and 26°. The average high for January is 33° with an average low of 21°. 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 St. John's. See also: February | March | April.
