S
M
T
W
T
F
S
26
59°
44°
27
63°
47°
28
59°
42°
29
54°
37°
30
49°
33°
1
50°
33°
2
51°
35°
3
57°
40°
4
59°
40°
5
59°
41°
6
60°
40°
7
58°
41°
8
73°
54°
9
57°
41°
10
58°
44°
11
59°
46°
12
60°
44°
13
59°
40°
14
59°
40°
15
60°
42°
16
63°
44°
17
65°
49°
18
71°
52°
19
70°
46°
20
66°
45°
21
63°
44°
22
63°
43°
23
70°
52°
24
73°
53°
25
74°
52°
26
69°
49°
27
66°
48°
28
70°
53°
29
75°
55°
30
76°
55°
31
76°
54°
1
77°
56°
2
78°
57°
3
79°
56°
4
75°
52°
5
68°
51°
6
71°
57°
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 79°, with overnight lows between 33° and 57°. The average high for May is 65° with an average low of 46°. 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.
