S
M
T
W
T
F
S
26
46°
32°
27
45°
27°
28
52°
25°
29
61°
21°
30
62°
24°
1
67°
24°
2
65°
34°
3
60°
36°
4
48°
33°
5
53°
36°
6
65°
32°
7
71°
31°
8
73°
27°
9
74°
32°
10
78°
33°
11
79°
38°
12
78°
40°
13
70°
39°
14
76°
30°
15
71°
30°
16
65°
26°
17
57°
27°
18
53°
23°
19
62°
19°
20
69°
25°
21
72°
30°
22
71°
32°
23
72°
34°
24
71°
37°
25
71°
34°
26
52°
32°
27
49°
25°
28
59°
42°
29
65°
38°
30
75°
37°
31
82°
43°
1
86°
53°
2
83°
47°
3
88°
45°
4
87°
49°
5
88°
48°
6
88°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wellington
Wellington's May 2026 forecast shows daily high temperatures ranging from 59° to 88°, with overnight lows between 37° and 53°. The average high for May is 80° with an average low of 45°. 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 Wellington. See also: June | July | August.
