S
M
T
W
T
F
S
26
73°
45°
27
68°
50°
28
59°
50°
29
61°
52°
30
73°
55°
1
63°
52°
2
63°
52°
3
66°
52°
4
60°
51°
5
57°
49°
6
60°
47°
7
61°
49°
8
65°
51°
9
63°
52°
10
61°
52°
11
63°
50°
12
62°
51°
13
61°
51°
14
59°
48°
15
60°
50°
16
61°
49°
17
56°
53°
18
54°
53°
19
54°
52°
20
55°
53°
21
54°
51°
22
54°
51°
23
55°
53°
24
55°
54°
25
56°
53°
26
58°
55°
27
56°
54°
28
55°
54°
29
55°
54°
30
59°
55°
31
62°
57°
1
60°
57°
2
61°
58°
3
62°
58°
4
62°
57°
5
59°
57°
6
58°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint Helier
Saint Helier's May 2026 forecast shows daily high temperatures ranging from 54° to 65°, with overnight lows between 47° and 58°. The average high for May is 59° with an average low of 53°. 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 Saint Helier. See also: June | July | August.
