S
M
T
W
T
F
S
26
61°
36°
27
59°
43°
28
50°
36°
29
57°
32°
30
61°
32°
1
73°
32°
2
64°
48°
3
50°
45°
4
61°
43°
5
50°
34°
6
50°
30°
7
57°
30°
8
61°
45°
9
48°
34°
10
55°
32°
11
46°
34°
12
57°
39°
13
52°
37°
14
52°
36°
15
52°
36°
16
57°
34°
17
59°
43°
18
59°
41°
19
61°
48°
20
61°
50°
21
64°
54°
22
75°
52°
23
68°
54°
24
75°
48°
25
84°
55°
26
71°
51°
27
60°
47°
28
68°
55°
29
70°
52°
30
69°
51°
31
66°
51°
1
68°
54°
2
65°
51°
3
62°
49°
4
64°
48°
5
63°
49°
6
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Birtley
Birtley's May 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 47° and 55°. The average high for May is 67° 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 Birtley. See also: June | July | August.