S
M
T
W
T
F
S
26
60°
39°
27
59°
37°
28
56°
47°
29
52°
41°
30
56°
40°
1
52°
40°
2
53°
38°
3
51°
37°
4
56°
37°
5
60°
38°
6
61°
38°
7
62°
42°
8
58°
39°
9
59°
36°
10
58°
35°
11
58°
35°
12
59°
36°
13
59°
38°
14
57°
38°
15
58°
39°
16
58°
37°
17
59°
38°
18
60°
38°
19
60°
39°
20
61°
40°
21
62°
39°
22
63°
44°
23
64°
48°
24
69°
49°
25
70°
46°
26
64°
44°
27
64°
45°
28
68°
48°
29
65°
50°
30
65°
49°
31
64°
48°
1
65°
50°
2
66°
51°
3
67°
50°
4
74°
51°
5
74°
45°
6
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sunapee
Sunapee's May 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 35° and 51°. The average high for May is 61° with an average low of 42°. 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 Sunapee. See also: June | July | August.
