S
M
T
W
T
F
S
29
49°
36°
30
51°
36°
1
50°
35°
2
50°
32°
3
40°
34°
4
45°
31°
5
48°
34°
6
46°
32°
7
38°
25°
8
35°
23°
9
34°
21°
10
36°
25°
11
38°
32°
12
40°
27°
13
40°
25°
14
34°
18°
15
33°
23°
16
35°
27°
17
38°
28°
18
39°
24°
19
38°
19°
20
35°
17°
21
31°
16°
22
30°
21°
23
33°
25°
24
34°
23°
25
34°
15°
26
33°
10°
27
29°
13°
28
28°
13°
29
29°
12°
30
29°
21°
31
33°
16°
1
34°
11°
2
29°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dunkirk
Dunkirk's December 2026 forecast shows daily high temperatures ranging from 28° to 51°, with overnight lows between 8° and 36°. The average high for December is 37° with an average low of 23°. 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 Dunkirk. See also: January | February | March.
