S
M
T
W
T
F
S
26
57°
46°
27
74°
44°
28
65°
49°
29
57°
47°
30
56°
42°
1
51°
37°
2
48°
32°
3
61°
32°
4
76°
48°
5
67°
46°
6
57°
41°
7
59°
38°
8
55°
43°
9
73°
50°
10
64°
49°
11
65°
39°
12
69°
41°
13
59°
45°
14
66°
45°
15
70°
40°
16
78°
51°
17
84°
59°
18
88°
63°
19
87°
64°
20
62°
44°
21
66°
47°
22
67°
62°
23
75°
60°
24
76°
61°
25
75°
57°
26
76°
60°
27
80°
59°
28
81°
60°
29
80°
61°
30
80°
60°
31
78°
61°
1
78°
60°
2
79°
56°
3
79°
61°
4
80°
62°
5
77°
60°
6
74°
58°
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 62° to 81°, with overnight lows between 44° and 62°. The average high for May is 76° with an average low of 58°. 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.
