S
M
T
W
T
F
S
26
61°
34°
27
61°
43°
28
50°
37°
29
59°
36°
30
68°
37°
1
73°
32°
2
64°
46°
3
52°
46°
4
59°
45°
5
52°
37°
6
50°
34°
7
55°
32°
8
61°
48°
9
50°
39°
10
54°
37°
11
48°
36°
12
59°
37°
13
52°
41°
14
54°
41°
15
52°
37°
16
57°
32°
17
59°
43°
18
59°
39°
19
63°
50°
20
61°
52°
21
64°
54°
22
77°
54°
23
68°
52°
24
77°
48°
25
88°
48°
26
74°
53°
27
58°
50°
28
68°
58°
29
70°
51°
30
68°
56°
31
69°
52°
1
67°
54°
2
66°
50°
3
62°
52°
4
63°
50°
5
61°
49°
6
62°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Seaham
Seaham's May 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 49° and 58°. The average high for May is 66° with an average low of 52°. 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 Seaham. See also: June | July | August.
