S
M
T
W
T
F
S
31
62°
44°
1
64°
40°
2
69°
41°
3
73°
46°
4
75°
51°
5
68°
54°
6
68°
54°
7
69°
54°
8
74°
45°
9
68°
55°
10
66°
55°
11
62°
52°
12
66°
52°
13
63°
50°
14
62°
50°
15
65°
49°
16
70°
46°
17
68°
55°
18
72°
53°
19
75°
57°
20
76°
54°
21
81°
64°
22
73°
56°
23
67°
49°
24
66°
55°
25
70°
51°
26
73°
55°
27
78°
57°
28
76°
54°
29
N/A
30
73°
60°
1
69°
60°
2
63°
57°
3
64°
57°
4
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Helsinki
Helsinki's June 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 55° and 60°. The average high for June is 67° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Helsinki. See also: July | August | September.
