S
M
T
W
T
F
S
30
21°
14°
1
23°
9°
2
30°
5°
3
34°
3°
4
19°
-9°
5
37°
19°
6
34°
27°
7
25°
9°
8
30°
12°
9
48°
21°
10
41°
23°
11
30°
21°
12
28°
14°
13
14°
1°
14
18°
-6°
15
41°
18°
16
48°
21°
17
52°
27°
18
48°
16°
19
37°
10°
20
43°
19°
21
45°
14°
22
55°
34°
23
52°
28°
24
50°
32°
25
48°
40°
26
46°
34°
27
50°
32°
28
46°
9°
29
18°
9°
30
41°
10°
31
50°
27°
1
28°
16°
2
27°
21°
3
34°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Marne
Marne'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 Marne. See also: January | February | March.
