Please click on any column to get detailed information about Helsinki weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
32.1
38.8
47.4
58.8
67.1
68.4
64.5
55.0
42.9
34.8
29.6
28.2
30.9
37.4
43.9
52.2
59.2
59.3
54.9
45.6
35.3
29.1
26.4
26.6
Day temperature | Night temperature |
The warmest month in Helsinki is july. The average daily temp is 68.4°F. The average nightly temp is 59.3°F.
Sea water temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
38.7
44.2
50.3
58.8
63.1
61.8
55.1
44.9
36.1
32.4
32.1
34.1
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 63.1°F.
Precipitation total, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.7
2.2
2.6
3.1
3.5
2.2
2.2
2.5
1.7
2.4
2.2
1.4
1.5
1.4
1.4
1.8
2.2
Number of rainy days
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
4
4
4
3
6
4
2
3
2
3
3
4
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
11.3
11.4
11.2
9.7
9.6
8.7
8.6
8.1
9.1
9.9
10.6
11.3
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
24
21
18
11
10
8
5
7
14
18
19
23
5
6
8
11
11
11
10
10
9
9
6
5
2
3
5
8
10
12
15
14
7
4
3
3
Cloudy days | Partly cloudy days | Sunny days |
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
16
1.5
2.2
4.1
7
8.2
10.7
12.9
10.5
6.5
4.8
2.9
1.7
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
Helsinki |
14 days
forecast
forecast
Helsinki |
current
weather
weather
Helsinki |
7 days
forecast
forecast
Helsinki |
Best time for vacation in Helsinki
Helsinki on a weather map
Leaflet | Tiles © Esri
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 15:41
April 05, saturday
1800

34°F
S
15 mph
15 mph
2100

32°F
S
13 mph
13 mph
April 06, sunday
0000

30°F
S
13 mph
13 mph
0300

28°F
S
13 mph
13 mph
0600

28°F
S
11 mph
11 mph
0900

30°F
S
7 mph
7 mph
1200

34°F
W
2 mph
2 mph
1500

36°F
NE
9 mph
9 mph