S
M
T
W
T
F
S
26
51°
37°
27
49°
39°
28
58°
33°
29
63°
36°
30
62°
37°
1
64°
37°
2
69°
38°
3
73°
41°
4
67°
48°
5
64°
42°
6
63°
38°
7
73°
36°
8
78°
45°
9
77°
46°
10
76°
46°
11
84°
44°
12
90°
52°
13
82°
53°
14
79°
50°
15
81°
44°
16
75°
45°
17
63°
39°
18
50°
37°
19
59°
36°
20
66°
36°
21
72°
38°
22
69°
44°
23
78°
43°
24
82°
52°
25
81°
54°
26
70°
49°
27
79°
50°
28
78°
48°
29
74°
46°
30
77°
52°
31
84°
54°
1
84°
53°
2
82°
54°
3
85°
57°
4
79°
54°
5
80°
52°
6
81°
51°
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 70° to 85°, with overnight lows between 46° and 57°. The average high for May is 80° with an average low of 52°. 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.
