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