S
M
T
W
T
F
S
26
46°
32°
27
47°
33°
28
44°
32°
29
50°
35°
30
59°
33°
1
70°
41°
2
71°
35°
3
61°
41°
4
54°
40°
5
48°
36°
6
48°
39°
7
50°
40°
8
52°
42°
9
51°
42°
10
53°
45°
11
51°
45°
12
52°
44°
13
53°
45°
14
52°
45°
15
53°
44°
16
52°
45°
17
60°
42°
18
61°
46°
19
63°
46°
20
59°
45°
21
58°
44°
22
58°
42°
23
59°
43°
24
58°
43°
25
59°
47°
26
62°
46°
27
68°
49°
28
69°
49°
29
68°
48°
30
67°
47°
31
60°
46°
1
63°
45°
2
64°
47°
3
61°
49°
4
61°
49°
5
62°
47°
6
61°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vantaa
Vantaa's May 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 36° and 49°. The average high for May is 58° 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 Vantaa. See also: June | July | August.
