S
M
T
W
T
F
S
26
45°
30°
27
46°
30°
28
46°
30°
29
48°
28°
30
57°
37°
1
64°
32°
2
66°
37°
3
57°
39°
4
48°
34°
5
48°
32°
6
50°
28°
7
55°
25°
8
59°
27°
9
59°
32°
10
59°
32°
11
59°
43°
12
N/A
13
56°
42°
14
55°
43°
15
63°
41°
16
67°
43°
17
59°
40°
18
63°
41°
19
67°
42°
20
70°
44°
21
68°
46°
22
69°
46°
23
65°
45°
24
62°
44°
25
65°
49°
26
65°
48°
27
64°
49°
28
63°
49°
29
58°
47°
30
59°
45°
31
59°
44°
1
58°
44°
2
58°
43°
3
59°
43°
4
57°
44°
5
58°
43°
6
59°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Turku
Turku's May 2026 forecast shows daily high temperatures ranging from 55° to 70°, with overnight lows between 40° and 49°. The average high for May is 62° with an average low of 44°. 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 Turku. See also: June | July | August.
