S
M
T
W
T
F
S
30
41°
34°
1
46°
27°
2
45°
34°
3
47°
26°
4
45°
25°
5
40°
32°
6
42°
31°
7
50°
28°
8
36°
28°
9
36°
26°
10
51°
30°
11
46°
26°
12
36°
26°
13
58°
25°
14
43°
15°
15
36°
9°
16
54°
27°
17
58°
24°
18
59°
30°
19
61°
31°
20
55°
24°
21
56°
33°
22
51°
22°
23
66°
41°
24
70°
44°
25
74°
43°
26
58°
47°
27
73°
43°
28
45°
40°
29
58°
28°
30
39°
22°
31
49°
23°
1
53°
29°
2
52°
27°
3
42°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Salem
Salem's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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.
