S
M
T
W
T
F
S
26
55°
37°
27
55°
41°
28
55°
38°
29
58°
34°
30
58°
39°
1
56°
40°
2
64°
39°
3
62°
38°
4
74°
39°
5
62°
41°
6
54°
41°
7
57°
40°
8
62°
44°
9
64°
52°
10
57°
45°
11
60°
39°
12
64°
41°
13
55°
42°
14
54°
42°
15
51°
42°
16
54°
41°
17
56°
41°
18
60°
46°
19
60°
46°
20
60°
45°
21
63°
43°
22
60°
43°
23
58°
44°
24
59°
42°
25
58°
43°
26
61°
40°
27
61°
45°
28
56°
43°
29
56°
42°
30
57°
41°
31
57°
42°
1
58°
43°
2
57°
42°
3
56°
41°
4
56°
42°
5
57°
42°
6
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coal Harbour
Coal Harbour's May 2026 forecast shows daily high temperatures ranging from 51° to 63°, with overnight lows between 40° and 46°. The average high for May is 57° with an average low of 43°. 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 Coal Harbour. See also: June | July | August.
