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