S
M
T
W
T
F
S
27
33°
24°
28
34°
31°
29
45°
27°
30
40°
21°
31
34°
20°
1
34°
19°
2
33°
17°
3
31°
19°
4
30°
21°
5
31°
22°
6
32°
22°
7
32°
19°
8
33°
18°
9
32°
23°
10
32°
28°
11
44°
24°
12
38°
17°
13
32°
18°
14
31°
17°
15
32°
18°
16
35°
16°
17
33°
14°
18
29°
17°
19
30°
18°
20
31°
27°
21
36°
30°
22
39°
17°
23
37°
16°
24
34°
30°
25
37°
24°
26
43°
21°
27
35°
14°
28
31°
17°
29
32°
27°
30
35°
21°
31
40°
18°
1
34°
20°
2
32°
15°
3
33°
14°
4
31°
15°
5
30°
16°
6
35°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Saint Thomas
Saint Thomas's January 2027 forecast shows daily high temperatures ranging from 29° to 45°, with overnight lows between 14° and 31°. The average high for January is 34° with an average low of 20°. 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 Saint Thomas. See also: February | March | April.
