S
M
T
W
T
F
S
29
43°
36°
30
37°
34°
31
45°
28°
1
43°
34°
2
46°
36°
3
48°
30°
4
37°
27°
5
39°
34°
6
41°
36°
7
46°
37°
8
46°
27°
9
48°
21°
10
50°
21°
11
51°
33°
12
49°
35°
13
49°
36°
14
51°
39°
15
51°
40°
16
53°
37°
17
48°
38°
18
48°
38°
19
52°
38°
20
51°
39°
21
52°
40°
22
53°
40°
23
50°
39°
24
48°
39°
25
45°
38°
26
44°
36°
27
44°
38°
28
46°
36°
29
44°
36°
30
46°
38°
1
47°
38°
2
48°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Helsinki
Helsinki's April 2026 forecast shows daily high temperatures ranging from 44° to 53°, with overnight lows between 33° and 40°. The average high for April is 49° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Helsinki. See also: May | June | July.
