S
M
T
W
T
F
S
26
64°
47°
27
67°
47°
28
60°
44°
29
67°
51°
30
66°
52°
1
61°
48°
2
61°
45°
3
60°
45°
4
61°
44°
5
61°
46°
6
61°
43°
7
61°
44°
8
60°
43°
9
58°
44°
10
59°
45°
11
61°
45°
12
59°
46°
13
59°
46°
14
60°
48°
15
60°
49°
16
62°
48°
17
61°
47°
18
63°
50°
19
67°
50°
20
67°
50°
21
66°
51°
22
68°
51°
23
69°
50°
24
68°
51°
25
67°
51°
26
66°
50°
27
65°
50°
28
62°
49°
29
63°
51°
30
65°
52°
31
68°
52°
1
68°
51°
2
69°
53°
3
69°
52°
4
68°
52°
5
69°
51°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Charmouth
Charmouth's May 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 43° and 53°. The average high for May is 64° with an average low of 48°. 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 Charmouth. See also: June | July | August.
