S
M
T
W
T
F
S
26
58°
44°
27
73°
55°
28
65°
50°
29
54°
41°
30
51°
36°
1
45°
36°
2
46°
37°
3
47°
38°
4
55°
44°
5
62°
48°
6
59°
46°
7
57°
45°
8
59°
42°
9
58°
43°
10
59°
41°
11
60°
44°
12
65°
49°
13
64°
44°
14
58°
40°
15
59°
40°
16
60°
42°
17
60°
42°
18
62°
50°
19
68°
46°
20
62°
43°
21
62°
43°
22
63°
44°
23
64°
45°
24
66°
54°
25
74°
53°
26
66°
48°
27
65°
47°
28
66°
49°
29
70°
56°
30
76°
56°
31
72°
54°
1
75°
57°
2
77°
59°
3
78°
59°
4
78°
55°
5
69°
52°
6
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dunkirk
Dunkirk's May 2026 forecast shows daily high temperatures ranging from 45° to 78°, with overnight lows between 36° and 59°. The average high for May is 63° with an average low of 47°. 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 Dunkirk. See also: June | July | August.
