S
M
T
W
T
F
S
29
48°
41°
30
50°
41°
1
48°
40°
2
50°
41°
3
50°
40°
4
49°
40°
5
48°
39°
6
51°
34°
7
51°
37°
8
50°
39°
9
50°
38°
10
45°
39°
11
43°
37°
12
44°
34°
13
45°
39°
14
47°
40°
15
51°
38°
16
50°
35°
17
50°
32°
18
49°
32°
19
42°
30°
20
41°
34°
21
43°
31°
22
43°
28°
23
41°
31°
24
41°
37°
25
46°
38°
26
44°
35°
27
47°
31°
28
44°
31°
29
42°
32°
30
43°
31°
31
43°
30°
1
42°
31°
2
41°
32°
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 41° to 51°, with overnight lows between 28° and 41°. The average high for December is 46° with an average low of 35°. 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.
