S
M
T
W
T
F
S
29
48°
35°
30
49°
37°
1
51°
36°
2
50°
37°
3
52°
35°
4
50°
34°
5
49°
34°
6
48°
35°
7
50°
34°
8
45°
32°
9
42°
32°
10
42°
31°
11
41°
32°
12
42°
31°
13
43°
27°
14
43°
20°
15
38°
21°
16
34°
24°
17
36°
23°
18
35°
30°
19
42°
29°
20
46°
27°
21
41°
21°
22
37°
23°
23
36°
18°
24
37°
26°
25
38°
21°
26
43°
16°
27
35°
18°
28
31°
18°
29
35°
16°
30
33°
20°
31
34°
27°
1
46°
24°
2
45°
16°
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 31° to 52°, with overnight lows between 16° and 37°. The average high for December is 42° with an average low of 27°. 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.
