S
M
T
W
T
F
S
29
48°
38°
30
50°
39°
1
49°
38°
2
50°
37°
3
49°
36°
4
44°
36°
5
48°
35°
6
48°
36°
7
41°
32°
8
37°
31°
9
37°
30°
10
36°
30°
11
37°
34°
12
38°
33°
13
37°
34°
14
35°
25°
15
37°
26°
16
35°
27°
17
37°
32°
18
38°
31°
19
43°
27°
20
37°
21°
21
36°
23°
22
34°
24°
23
30°
25°
24
35°
24°
25
32°
24°
26
31°
16°
27
30°
13°
28
29°
10°
29
29°
11°
30
27°
23°
31
34°
23°
1
37°
17°
2
31°
18°
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 27° to 50°, with overnight lows between 10° and 39°. The average high for December is 38° with an average low of 27°. 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.
