S
M
T
W
T
F
S
26
59°
46°
27
66°
46°
28
57°
46°
29
61°
45°
30
57°
52°
1
59°
52°
2
55°
48°
3
59°
48°
4
59°
46°
5
59°
48°
6
57°
46°
7
57°
41°
8
61°
46°
9
63°
54°
10
61°
46°
11
55°
45°
12
57°
48°
13
55°
48°
14
52°
46°
15
54°
46°
16
57°
48°
17
54°
48°
18
55°
48°
19
57°
54°
20
59°
54°
21
63°
55°
22
61°
54°
23
64°
52°
24
69°
61°
25
72°
62°
26
72°
61°
27
66°
58°
28
59°
56°
29
58°
56°
30
62°
55°
31
61°
54°
1
60°
53°
2
60°
53°
3
58°
54°
4
60°
53°
5
55°
54°
6
55°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pendeen
Pendeen's May 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 52° and 62°. The average high for May is 62° with an average low of 56°. 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 Pendeen. See also: June | July | August.