S
M
T
W
T
F
S
26
54°
40°
27
53°
40°
28
56°
44°
29
59°
44°
30
57°
45°
1
60°
45°
2
59°
46°
3
57°
40°
4
56°
40°
5
57°
39°
6
57°
41°
7
58°
39°
8
57°
40°
9
58°
45°
10
58°
44°
11
59°
43°
12
63°
47°
13
65°
45°
14
65°
45°
15
66°
47°
16
65°
47°
17
66°
48°
18
67°
48°
19
66°
47°
20
65°
47°
21
64°
48°
22
62°
46°
23
62°
49°
24
64°
49°
25
64°
48°
26
65°
49°
27
66°
50°
28
66°
48°
29
67°
48°
30
66°
50°
31
66°
48°
1
65°
49°
2
65°
48°
3
66°
44°
4
65°
44°
5
65°
45°
6
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Southend-on-Sea
Southend-on-Sea's May 2026 forecast shows daily high temperatures ranging from 53° to 67°, with overnight lows between 39° and 50°. The average high for May is 62° with an average low of 45°. 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 Southend-on-Sea. See also: June | July | August.
