S
M
T
W
T
F
S
26
28°
13°
27
22°
7°
28
12°
-5°
29
18°
-3°
30
16°
6°
1
20°
5°
2
19°
6°
3
20°
12°
4
25°
14°
5
25°
19°
6
29°
20°
7
27°
21°
8
23°
18°
9
22°
11°
10
14°
3°
11
12°
-5°
12
15°
3°
13
20°
9°
14
17°
6°
15
20°
8°
16
17°
9°
17
27°
11°
18
32°
20°
19
21°
12°
20
26°
11°
21
24°
16°
22
23°
17°
23
21°
18°
24
22°
17°
25
28°
16°
26
32°
22°
27
30°
25°
28
25°
20°
29
29°
23°
30
31°
19°
31
30°
25°
1
35°
30°
2
34°
28°
3
36°
29°
4
34°
23°
5
28°
26°
6
37°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sachs Harbour
Sachs Harbour's May 2026 forecast shows daily high temperatures ranging from 28° to 37°, with overnight lows between 19° and 30°. The average high for May is 33° with an average low of 26°. 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 Sachs Harbour. See also: June | July | August.