S
M
T
W
T
F
S
30
46°
37°
1
45°
30°
2
45°
34°
3
43°
39°
4
46°
37°
5
43°
30°
6
46°
32°
7
48°
41°
8
61°
43°
9
57°
43°
10
54°
39°
11
54°
39°
12
57°
39°
13
52°
34°
14
45°
34°
15
52°
34°
16
48°
36°
17
55°
36°
18
55°
37°
19
55°
45°
20
54°
45°
21
50°
39°
22
46°
39°
23
43°
37°
24
37°
32°
25
41°
30°
26
43°
28°
27
43°
27°
28
39°
25°
29
34°
23°
30
30°
27°
31
32°
18°
1
39°
16°
2
41°
21°
3
36°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grenoble
Grenoble'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 Grenoble. See also: January | February | March.
