S
M
T
W
T
F
S
30
87°
78°
1
88°
80°
2
82°
79°
3
87°
78°
4
86°
79°
5
87°
77°
6
87°
79°
7
87°
79°
8
87°
77°
9
87°
81°
10
88°
81°
11
87°
81°
12
88°
81°
13
88°
79°
14
86°
82°
15
88°
77°
16
84°
78°
17
87°
78°
18
88°
83°
19
88°
79°
20
89°
78°
21
87°
81°
22
87°
76°
23
88°
79°
24
87°
81°
25
86°
81°
26
88°
80°
27
88°
79°
28
86°
78°
29
84°
77°
30
87°
78°
31
86°
82°
1
86°
81°
2
88°
82°
3
88°
83°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Or
Or'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 Or. See also: January | February | March.
