S
M
T
W
T
F
S
26
36°
29°
27
37°
28°
28
35°
26°
29
37°
28°
30
37°
29°
1
41°
28°
2
39°
26°
3
43°
27°
4
42°
28°
5
40°
31°
6
40°
32°
7
41°
31°
8
40°
30°
9
40°
31°
10
41°
29°
11
42°
33°
12
43°
36°
13
47°
34°
14
44°
34°
15
45°
31°
16
51°
36°
17
46°
37°
18
46°
36°
19
47°
35°
20
48°
35°
21
53°
36°
22
50°
34°
23
50°
37°
24
51°
40°
25
50°
40°
26
53°
39°
27
50°
37°
28
51°
38°
29
51°
37°
30
52°
35°
31
51°
40°
1
53°
39°
2
60°
43°
3
61°
43°
4
62°
44°
5
62°
43°
6
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tundra
Tundra's May 2026 forecast shows daily high temperatures ranging from 35° to 62°, with overnight lows between 26° and 44°. The average high for May is 47° with an average low of 34°. 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 Tundra. See also: June | July | August.