S
M
T
W
T
F
S
26
35°
30°
27
36°
26°
28
58°
25°
29
58°
29°
30
57°
29°
1
53°
33°
2
50°
38°
3
58°
41°
4
45°
40°
5
63°
39°
6
69°
45°
7
63°
47°
8
54°
41°
9
55°
35°
10
62°
35°
11
59°
38°
12
51°
40°
13
49°
39°
14
66°
38°
15
52°
37°
16
47°
36°
17
69°
38°
18
51°
39°
19
53°
34°
20
54°
34°
21
57°
35°
22
51°
33°
23
53°
34°
24
61°
34°
25
66°
34°
26
45°
32°
27
45°
32°
28
43°
32°
29
41°
35°
30
40°
35°
31
49°
33°
1
47°
33°
2
51°
33°
3
62°
33°
4
74°
45°
5
47°
33°
6
71°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Britannia
Britannia's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Britannia. See also: June | July | August.
