S
M
T
W
T
F
S
28
82°
65°
29
82°
65°
30
82°
70°
31
83°
30°
1
84°
30°
2
83°
69°
3
83°
74°
4
83°
74°
5
86°
71°
6
82°
70°
7
81°
70°
8
83°
69°
9
84°
76°
10
83°
75°
11
83°
74°
12
84°
71°
13
83°
74°
14
84°
76°
15
84°
76°
16
83°
73°
17
83°
73°
18
84°
73°
19
84°
76°
20
85°
74°
21
83°
72°
22
80°
71°
23
82°
71°
24
83°
75°
25
83°
71°
26
83°
71°
27
82°
76°
28
82°
72°
29
83°
75°
30
83°
74°
31
82°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in St. John's
St. John's's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. 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.
