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°
46°
8
61°
52°
9
61°
51°
10
61°
46°
11
56°
48°
12
58°
49°
13
55°
44°
14
54°
44°
15
55°
47°
16
55°
46°
17
56°
48°
18
57°
47°
19
58°
48°
20
55°
54°
21
56°
53°
22
55°
54°
23
55°
54°
24
56°
53°
25
56°
55°
26
58°
55°
27
56°
54°
28
56°
55°
29
57°
54°
30
57°
56°
31
58°
56°
1
59°
57°
2
62°
57°
3
62°
56°
4
61°
57°
5
62°
57°
6
61°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Zennor
Zennor's May 2026 forecast shows daily high temperatures ranging from 54° to 62°, with overnight lows between 44° and 58°. The average high for May is 58° with an average low of 52°. 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 Zennor. See also: June | July | August.