S
M
T
W
T
F
S
26
42°
27°
27
33°
24°
28
48°
23°
29
51°
29°
30
55°
26°
1
63°
32°
2
70°
41°
3
66°
39°
4
55°
36°
5
46°
22°
6
53°
21°
7
61°
37°
8
67°
38°
9
61°
44°
10
73°
38°
11
82°
50°
12
71°
41°
13
93°
49°
14
73°
44°
15
68°
40°
16
72°
40°
17
49°
35°
18
41°
27°
19
58°
22°
20
66°
35°
21
43°
35°
22
61°
35°
23
74°
44°
24
81°
50°
25
87°
55°
26
85°
56°
27
80°
53°
28
83°
50°
29
81°
47°
30
80°
49°
31
79°
51°
1
82°
53°
2
81°
51°
3
82°
50°
4
80°
52°
5
75°
46°
6
78°
51°
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 74° to 87°, with overnight lows between 44° and 56°. The average high for May is 81° with an average low of 51°. 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.
