S
M
T
W
T
F
S
27
40°
28°
28
46°
28°
29
53°
32°
30
54°
32°
31
55°
22°
1
55°
15°
2
53°
11°
3
35°
13°
4
38°
22°
5
43°
26°
6
44°
21°
7
41°
26°
8
43°
24°
9
40°
12°
10
39°
10°
11
34°
20°
12
41°
11°
13
43°
13°
14
34°
13°
15
37°
17°
16
41°
21°
17
47°
22°
18
46°
21°
19
43°
26°
20
47°
24°
21
41°
21°
22
40°
17°
23
41°
27°
24
42°
27°
25
49°
28°
26
51°
29°
27
41°
21°
28
40°
27°
29
43°
28°
30
Hist. Avg.
46°
19°
31
Hist. Avg.
46°
19°
1
Hist. Avg.
46°
19°
2
Hist. Avg.
46°
20°
3
Hist. Avg.
46°
20°
4
Hist. Avg.
46°
20°
5
Hist. Avg.
47°
20°
6
Hist. Avg.
47°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in St. John
St. John's January 2027 forecast shows daily high temperatures ranging from 34° to 55°, with overnight lows between 10° and 32°. The average high for January is 44° with an average low of 22°. 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. See also: February | March | April.
