S
M
T
W
T
F
S
26
59°
44°
27
61°
46°
28
61°
50°
29
65°
50°
30
68°
49°
1
71°
49°
2
65°
54°
3
61°
56°
4
62°
51°
5
56°
51°
6
55°
49°
7
58°
48°
8
62°
50°
9
65°
49°
10
56°
49°
11
53°
45°
12
58°
43°
13
56°
48°
14
52°
46°
15
53°
44°
16
56°
42°
17
59°
50°
18
57°
48°
19
62°
53°
20
64°
51°
21
68°
56°
22
79°
60°
23
74°
57°
24
69°
55°
25
70°
57°
26
75°
62°
27
77°
59°
28
71°
56°
29
69°
54°
30
70°
55°
31
62°
51°
1
62°
48°
2
63°
48°
3
64°
51°
4
67°
55°
5
68°
55°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dunkerque
Dunkerque's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 48° and 62°. The average high for May is 68° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Dunkerque. See also: June | July | August.
