Weather in Helsinki in Summer
June | July | August | ||||
Average day temperature: | 63.5°F | 68.6°F | 67.3°F | |||
Average night temperature: | 54.3°F | 59.5°F | 59.3°F | |||
Sea water temperature: | 55.1°F | 61.8°F | 63.1°F | |||
Number of sunny days: | 15 days | 15 days | 13 days | |||
Day length: | 18.4 - 18.9 h. | 17.0 - 18.8 h. | 14.3 - 16.9 h. | |||
Number of rainy days: | 3 days | 4 days | 5 days | |||
Precipitation totals: | 1.6 in. | 2.0 in. | 2.3 in. |
current
weather
weather
Helsinki |
monthly
weather
weather
Helsinki |
sea water
temperature
temperature
Helsinki |
14 days
forecast
forecast
Helsinki |
Day & Night air temperature, °F
June
July
August
0
11
22
33
44
55
66
77
88
67.1
68.4
64.5
59.2
59.3
54.9
Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
10
20
30
40
50
60
70
80
63.1
61.8
55.1
Precipitation total, in.
June
July
August
0.0
0.4
0.8
1.2
1.7
2.1
2.5
2.9
3.3
2.4
2.2
1.4
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
10
8
5
11
11
10
10
12
15
Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
Helsinki |
weather in
spring
spring
Helsinki |
weather in
summer
summer
Helsinki |
weather in
autumn
autumn
Helsinki |
Wind speed, mph
June
July
August
0.0
1.6
3.3
4.9
6.6
8.2
9.9
11.5
9.6
8.7
8.6
Average sunny hours
June
July
August
0
2
4
6
8
10
12
14
16
8.2
10.7
12.9
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.
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: 13:26
April 05, saturday
1500

34°F
SW
16 mph
16 mph
1800

34°F
S
16 mph
16 mph
2100

30°F
S
14 mph
14 mph
April 06, sunday
0000

30°F
S
14 mph
14 mph
0300

28°F
S
14 mph
14 mph
0600

28°F
S
12 mph
12 mph
0900

30°F
S
9 mph
9 mph
1200

34°F
SW
4 mph
4 mph