S
M
T
W
T
F
S
26
49°
30°
27
49°
30°
28
50°
33°
29
50°
33°
30
52°
31°
1
53°
31°
2
52°
33°
3
51°
32°
4
60°
39°
5
62°
33°
6
54°
31°
7
53°
32°
8
62°
42°
9
65°
41°
10
63°
37°
11
56°
35°
12
55°
35°
13
64°
39°
14
63°
41°
15
57°
42°
16
58°
43°
17
62°
42°
18
66°
36°
19
67°
40°
20
68°
38°
21
67°
40°
22
66°
39°
23
61°
40°
24
63°
41°
25
66°
41°
26
68°
42°
27
70°
44°
28
63°
42°
29
64°
44°
30
71°
46°
31
62°
46°
1
66°
44°
2
68°
47°
3
68°
47°
4
69°
46°
5
70°
48°
6
73°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sussex
Sussex's May 2026 forecast shows daily high temperatures ranging from 49° to 73°, with overnight lows between 30° and 48°. The average high for May is 61° with an average low of 39°. 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 Sussex. See also: June | July | August.
