S
M
T
W
T
F
S
26
70°
43°
27
70°
45°
28
59°
46°
29
66°
43°
30
73°
45°
1
73°
48°
2
66°
46°
3
64°
50°
4
59°
50°
5
61°
46°
6
59°
43°
7
61°
39°
8
64°
48°
9
68°
45°
10
57°
43°
11
57°
32°
12
61°
34°
13
57°
43°
14
55°
41°
15
57°
40°
16
56°
39°
17
59°
43°
18
57°
46°
19
64°
51°
20
65°
50°
21
71°
51°
22
79°
59°
23
79°
56°
24
80°
56°
25
80°
56°
26
82°
57°
27
79°
55°
28
75°
53°
29
69°
49°
30
69°
49°
31
70°
50°
1
60°
46°
2
61°
46°
3
63°
51°
4
62°
52°
5
65°
53°
6
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnsley
Barnsley's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 46° and 59°. The average high for May is 71° with an average low of 52°. 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 Barnsley. See also: June | July | August.
