S
M
T
W
T
F
S
29
66°
44°
30
63°
43°
1
65°
33°
2
50°
29°
3
52°
31°
4
57°
39°
5
57°
36°
6
50°
31°
7
50°
29°
8
48°
27°
9
48°
28°
10
47°
29°
11
53°
30°
12
57°
34°
13
55°
34°
14
50°
32°
15
51°
33°
16
50°
36°
17
49°
32°
18
49°
27°
19
48°
26°
20
46°
25°
21
46°
27°
22
50°
31°
23
49°
29°
24
47°
26°
25
45°
25°
26
45°
26°
27
47°
26°
28
47°
27°
29
46°
30°
30
46°
27°
31
47°
25°
1
45°
23°
2
44°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Salem
Salem's December 2026 forecast shows daily high temperatures ranging from 44° to 66°, with overnight lows between 23° and 44°. The average high for December is 50° with an average low of 30°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Salem. See also: January | February | March.
