S
M
T
W
T
F
S
26
52°
29°
27
57°
30°
28
59°
35°
29
60°
37°
30
61°
37°
1
62°
38°
2
63°
38°
3
61°
39°
4
58°
38°
5
63°
39°
6
59°
32°
7
52°
30°
8
52°
30°
9
57°
32°
10
62°
40°
11
60°
33°
12
62°
40°
13
64°
41°
14
65°
41°
15
59°
34°
16
62°
37°
17
63°
40°
18
58°
40°
19
57°
40°
20
57°
39°
21
56°
38°
22
57°
34°
23
55°
35°
24
58°
39°
25
60°
39°
26
62°
43°
27
67°
44°
28
68°
45°
29
67°
38°
30
66°
42°
31
66°
44°
1
63°
44°
2
61°
43°
3
65°
45°
4
63°
44°
5
60°
41°
6
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Banff Trail
Banff Trail's May 2026 forecast shows daily high temperatures ranging from 52° to 68°, with overnight lows between 29° and 45°. The average high for May is 60° with an average low of 38°. 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 Banff Trail. See also: June | July | August.
