S
M
T
W
T
F
S
30
81°
70°
1
88°
74°
2
89°
76°
3
80°
76°
4
88°
74°
5
84°
74°
6
86°
74°
7
83°
74°
8
86°
70°
9
85°
71°
10
85°
74°
11
85°
70°
12
85°
70°
13
85°
71°
14
85°
65°
15
86°
64°
16
84°
74°
17
86°
73°
18
85°
68°
19
83°
67°
20
86°
65°
21
86°
64°
22
85°
67°
23
87°
67°
24
90°
68°
25
89°
67°
26
86°
70°
27
85°
69°
28
87°
69°
29
86°
71°
30
89°
69°
31
87°
74°
1
85°
75°
2
87°
73°
3
86°
72°
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.
