S
M
T
W
T
F
S
29
40°
28°
30
43°
29°
31
52°
30°
1
45°
27°
2
48°
28°
3
45°
37°
4
42°
36°
5
45°
36°
6
41°
35°
7
47°
35°
8
45°
29°
9
46°
33°
10
44°
34°
11
45°
35°
12
44°
36°
13
46°
37°
14
49°
40°
15
47°
40°
16
47°
39°
17
45°
38°
18
47°
39°
19
47°
38°
20
46°
38°
21
49°
39°
22
48°
36°
23
49°
39°
24
51°
40°
25
49°
38°
26
53°
38°
27
49°
37°
28
52°
38°
29
49°
37°
30
49°
35°
1
50°
34°
2
51°
38°
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 48° with an average low of 37°. 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.
