S
M
T
W
T
F
S
29
40°
29°
30
40°
29°
1
41°
35°
2
44°
37°
3
43°
37°
4
44°
33°
5
47°
28°
6
47°
28°
7
46°
29°
8
46°
34°
9
47°
30°
10
45°
28°
11
46°
28°
12
45°
30°
13
46°
35°
14
42°
34°
15
46°
33°
16
43°
31°
17
42°
32°
18
44°
36°
19
48°
35°
20
45°
35°
21
43°
37°
22
47°
33°
23
46°
35°
24
45°
32°
25
46°
26°
26
45°
26°
27
38°
28°
28
38°
29°
29
42°
28°
30
39°
37°
31
46°
36°
1
49°
32°
2
47°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dorena
Dorena's December 2026 forecast shows daily high temperatures ranging from 38° to 49°, with overnight lows between 26° and 37°. The average high for December is 44° with an average low of 32°. 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 Dorena. See also: January | February | March.