S
M
T
W
T
F
S
26
49°
36°
27
45°
35°
28
45°
36°
29
48°
40°
30
46°
41°
1
47°
41°
2
50°
39°
3
46°
37°
4
46°
39°
5
47°
38°
6
47°
37°
7
48°
40°
8
49°
42°
9
48°
41°
10
48°
40°
11
49°
42°
12
50°
42°
13
51°
41°
14
50°
39°
15
48°
38°
16
50°
42°
17
50°
41°
18
55°
44°
19
55°
45°
20
53°
44°
21
51°
39°
22
53°
39°
23
55°
45°
24
51°
44°
25
54°
45°
26
56°
46°
27
53°
44°
28
57°
46°
29
56°
44°
30
54°
44°
31
53°
41°
1
52°
42°
2
53°
45°
3
54°
41°
4
53°
43°
5
55°
42°
6
56°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Killin
Killin's May 2026 forecast shows daily high temperatures ranging from 45° to 57°, with overnight lows between 35° and 47°. The average high for May is 51° with an average low of 41°. 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 Killin. See also: June | July | August.