S
M
T
W
T
F
S
26
56°
42°
27
55°
41°
28
56°
44°
29
58°
43°
30
59°
46°
1
58°
47°
2
52°
41°
3
53°
42°
4
52°
41°
5
53°
42°
6
53°
42°
7
54°
43°
8
53°
42°
9
54°
46°
10
54°
47°
11
55°
43°
12
57°
49°
13
61°
49°
14
61°
48°
15
60°
49°
16
56°
49°
17
60°
50°
18
61°
50°
19
59°
49°
20
59°
50°
21
60°
50°
22
58°
46°
23
59°
50°
24
60°
51°
25
60°
51°
26
61°
50°
27
60°
52°
28
61°
51°
29
60°
47°
30
60°
52°
31
61°
49°
1
61°
51°
2
61°
51°
3
62°
46°
4
60°
46°
5
60°
47°
6
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Killingholme
South Killingholme's May 2026 forecast shows daily high temperatures ranging from 52° to 62°, with overnight lows between 41° and 52°. The average high for May is 58° with an average low of 47°. 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 South Killingholme. See also: June | July | August.