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