S
M
T
W
T
F
S
26
55°
35°
27
53°
36°
28
54°
36°
29
57°
34°
30
55°
37°
1
55°
38°
2
56°
36°
3
55°
35°
4
54°
33°
5
56°
32°
6
60°
34°
7
65°
37°
8
64°
40°
9
63°
42°
10
66°
42°
11
58°
37°
12
57°
36°
13
58°
36°
14
57°
38°
15
60°
37°
16
61°
40°
17
61°
38°
18
62°
43°
19
61°
40°
20
64°
39°
21
66°
46°
22
70°
45°
23
71°
47°
24
69°
49°
25
73°
48°
26
66°
48°
27
65°
49°
28
72°
50°
29
74°
47°
30
72°
43°
31
66°
43°
1
68°
45°
2
75°
50°
3
76°
53°
4
78°
53°
5
78°
52°
6
77°
44°
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 53° to 78°, with overnight lows between 32° and 53°. The average high for May is 64° with an average low of 42°. 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.
