Measurements:
°C
°F
CURRENT WEATHER
15:34
Helsinki
70°F
E 11 mph
Feels like: 70°F
Precip: 1%
World Resorts Finland Helsinki Weather

7 Day Weather Forecast

08.19
wed
DAY
68°F
SE 7 mph
precip
10%
NIGHT
52°F
E 6 mph
precip
8%
08.20
thu
DAY
64°F
NW 6 mph
precip
11%
NIGHT
52°F
SE 6 mph
precip
34%
08.21
fri
DAY
62°F
N 11 mph
precip
42%
NIGHT
52°F
E 6 mph
precip
35%
08.22
sat
DAY
68°F
NE 7 mph
precip
11%
NIGHT
54°F
E 7 mph
precip
19%
08.23
sun
DAY
68°F
NE 8 mph
precip
13%
NIGHT
54°F
E 6 mph
precip
29%
08.24
mon
DAY
62°F
S 6 mph
precip
18%
NIGHT
54°F
S 6 mph
precip
31%
08.25
tue
DAY
64°F
SW 6 mph
precip
11%
NIGHT
54°F
S 4 mph
precip
13%

Helsinki Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Helsinki was 16.3°F. The maximum and minimum values were 14.3°F and 18.4°F respectively.

Helsinki on the Weather Map

Best Time to Visit Helsinki
The most sunny months:
July 15 days
June 14 days
May 14 days
The most warm months:
July 70.6 °F
August 69.0 °F
June 64.7 °F
Warmest sea temperature:
August 64.6 °F
July 63.3 °F
September 59.8 °F
The most cold months:
January 25.5 °F
February 26.1 °F
December 31.9 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph
more details