S
M
T
W
T
F
S
26
54°
28°
27
48°
39°
28
50°
32°
29
55°
28°
30
54°
28°
1
55°
27°
2
72°
36°
3
72°
41°
4
59°
37°
5
45°
32°
6
46°
30°
7
63°
27°
8
70°
39°
9
59°
37°
10
59°
34°
11
73°
34°
12
72°
45°
13
79°
41°
14
82°
52°
15
79°
48°
16
64°
45°
17
59°
43°
18
48°
41°
19
52°
33°
20
66°
44°
21
68°
47°
22
62°
49°
23
72°
50°
24
74°
50°
25
80°
51°
26
83°
54°
27
78°
52°
28
82°
57°
29
82°
58°
30
78°
55°
31
79°
52°
1
75°
49°
2
70°
54°
3
73°
52°
4
75°
55°
5
74°
55°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Britton
Britton's May 2026 forecast shows daily high temperatures ranging from 52° to 83°, with overnight lows between 33° and 58°. The average high for May is 73° with an average low of 51°. 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 Britton. See also: June | July | August.