S
M
T
W
T
F
S
26
61°
43°
27
67°
45°
28
59°
43°
29
62°
48°
30
60°
47°
1
61°
47°
2
61°
47°
3
58°
46°
4
57°
45°
5
57°
45°
6
57°
46°
7
56°
45°
8
56°
49°
9
56°
48°
10
57°
49°
11
58°
48°
12
56°
48°
13
56°
49°
14
57°
51°
15
58°
51°
16
60°
50°
17
58°
51°
18
60°
52°
19
63°
52°
20
63°
51°
21
62°
53°
22
63°
53°
23
65°
52°
24
64°
53°
25
63°
53°
26
62°
54°
27
63°
53°
28
60°
53°
29
61°
54°
30
63°
54°
31
64°
53°
1
65°
54°
2
65°
55°
3
66°
55°
4
66°
54°
5
65°
54°
6
65°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Totnes
Totnes's May 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 43° and 55°. The average high for May is 61° with an average low of 50°. 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 Totnes. See also: June | July | August.