S
M
T
W
T
F
S
29
46°
28°
30
47°
27°
1
42°
27°
2
45°
22°
3
40°
26°
4
40°
31°
5
47°
37°
6
53°
36°
7
54°
31°
8
55°
29°
9
42°
31°
10
46°
33°
11
48°
32°
12
49°
27°
13
45°
25°
14
37°
20°
15
36°
23°
16
36°
29°
17
38°
32°
18
40°
33°
19
45°
37°
20
51°
32°
21
53°
25°
22
48°
28°
23
42°
31°
24
47°
30°
25
44°
30°
26
45°
21°
27
41°
17°
28
39°
20°
29
33°
11°
30
34°
12°
31
32°
11°
1
27°
15°
2
33°
19°
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 27° to 55°, with overnight lows between 11° and 37°. The average high for December is 43° with an average low of 26°. 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.
