S
M
T
W
T
F
S
27
52°
30°
28
52°
32°
29
53°
40°
30
56°
40°
31
66°
30°
1
65°
27°
2
52°
25°
3
47°
28°
4
48°
38°
5
53°
43°
6
61°
45°
7
66°
34°
8
67°
28°
9
55°
30°
10
50°
30°
11
53°
29°
12
52°
28°
13
50°
29°
14
49°
26°
15
51°
28°
16
49°
40°
17
56°
36°
18
68°
28°
19
68°
27°
20
49°
30°
21
50°
39°
22
55°
43°
23
62°
44°
24
63°
43°
25
66°
44°
26
67°
43°
27
65°
40°
28
64°
33°
29
57°
31°
30
58°
30°
31
64°
25°
1
63°
28°
2
Hist. Avg.
58°
35°
3
Hist. Avg.
58°
35°
4
Hist. Avg.
58°
36°
5
Hist. Avg.
59°
36°
6
Hist. Avg.
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Santee
Santee's January 2027 forecast shows daily high temperatures ranging from 47° to 68°, with overnight lows between 25° and 45°. The average high for January is 57° with an average low of 34°. 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 Santee. See also: February | March | April.