S
M
T
W
T
F
S
29
47°
30°
30
50°
34°
1
52°
33°
2
54°
36°
3
54°
36°
4
42°
29°
5
52°
25°
6
59°
23°
7
44°
22°
8
42°
21°
9
43°
18°
10
39°
15°
11
38°
16°
12
36°
21°
13
38°
18°
14
40°
25°
15
40°
29°
16
43°
28°
17
53°
23°
18
52°
22°
19
41°
21°
20
42°
20°
21
40°
17°
22
38°
17°
23
39°
19°
24
44°
26°
25
42°
32°
26
50°
27°
27
53°
25°
28
47°
23°
29
40°
22°
30
42°
25°
31
43°
21°
1
43°
20°
2
41°
22°
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 36° to 59°, with overnight lows between 15° and 36°. The average high for December is 45° with an average low of 24°. 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.
