S
M
T
W
T
F
S
26
79°
57°
27
72°
56°
28
72°
53°
29
75°
58°
30
67°
49°
1
66°
46°
2
63°
44°
3
66°
35°
4
74°
36°
5
75°
43°
6
71°
61°
7
65°
50°
8
70°
43°
9
71°
46°
10
78°
49°
11
72°
51°
12
71°
45°
13
75°
48°
14
71°
43°
15
78°
51°
16
85°
58°
17
85°
60°
18
86°
63°
19
85°
61°
20
82°
60°
21
82°
61°
22
80°
61°
23
83°
62°
24
80°
62°
25
83°
55°
26
81°
59°
27
80°
58°
28
81°
59°
29
81°
60°
30
80°
60°
31
79°
59°
1
81°
60°
2
82°
60°
3
83°
62°
4
82°
61°
5
77°
60°
6
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Helen
Helen's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 43° and 63°. The average high for May is 81° with an average low of 58°. 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 Helen. See also: June | July | August.