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