S
M
T
W
T
F
S
26
32°
13°
27
28°
10°
28
40°
16°
29
47°
24°
30
N/A
1
42°
25°
2
42°
27°
3
42°
26°
4
42°
24°
5
44°
23°
6
50°
23°
7
42°
21°
8
43°
22°
9
47°
30°
10
50°
29°
11
52°
32°
12
50°
32°
13
55°
33°
14
61°
43°
15
54°
37°
16
55°
32°
17
43°
29°
18
42°
27°
19
43°
27°
20
47°
32°
21
54°
40°
22
58°
34°
23
51°
31°
24
56°
41°
25
57°
33°
26
48°
31°
27
48°
32°
28
49°
33°
29
48°
32°
30
50°
34°
31
52°
34°
1
57°
38°
2
55°
35°
3
52°
36°
4
53°
38°
5
57°
42°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Yellowknife
Yellowknife's May 2026 forecast shows daily high temperatures ranging from 42° to 62°, with overnight lows between 21° and 47°. The average high for May is 50° with an average low of 32°. 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 Yellowknife. See also: June | July | August.
