S
M
T
W
T
F
S
26
59°
39°
27
61°
45°
28
57°
43°
29
61°
44°
30
64°
47°
1
71°
52°
2
65°
51°
3
60°
46°
4
60°
45°
5
61°
44°
6
60°
45°
7
61°
44°
8
60°
45°
9
59°
46°
10
58°
46°
11
62°
48°
12
60°
47°
13
59°
46°
14
59°
48°
15
63°
49°
16
64°
49°
17
63°
46°
18
65°
49°
19
67°
51°
20
67°
51°
21
68°
50°
22
69°
51°
23
66°
50°
24
67°
51°
25
66°
50°
26
63°
49°
27
61°
49°
28
61°
48°
29
62°
47°
30
66°
51°
31
68°
51°
1
68°
50°
2
67°
52°
3
69°
52°
4
66°
51°
5
64°
51°
6
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dereham
Dereham's May 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 43° and 52°. The average high for May is 63° 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 Dereham. See also: June | July | August.
