S
M
T
W
T
F
S
26
60°
42°
27
62°
44°
28
57°
42°
29
60°
44°
30
61°
47°
1
64°
47°
2
66°
46°
3
65°
46°
4
60°
43°
5
59°
43°
6
58°
41°
7
57°
43°
8
57°
40°
9
58°
39°
10
58°
46°
11
60°
46°
12
61°
46°
13
62°
43°
14
60°
40°
15
64°
44°
16
65°
43°
17
65°
47°
18
66°
48°
19
66°
47°
20
62°
47°
21
60°
44°
22
63°
48°
23
61°
47°
24
64°
47°
25
64°
49°
26
65°
48°
27
62°
46°
28
66°
49°
29
67°
49°
30
64°
47°
31
67°
50°
1
68°
49°
2
64°
48°
3
63°
46°
4
64°
47°
5
66°
47°
6
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Great Dunmow
Great Dunmow's May 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 39° and 50°. The average high for May is 63° with an average low of 46°. 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 Great Dunmow. See also: June | July | August.