World Resorts Finland Helsinki Weather

Helsinki 14 Days Forecast

23.08
sun
Day
57°F
S 14 mph
Precip.
42%
Night
57°F
SE 11 mph
Precip.
22%
24.08
mon
Day
59°F
S 11 mph
Precip.
18%
Night
54°F
S 8 mph
Precip.
13%
25.08
tue
Day
64°F
S 9 mph
Precip.
4%
Night
57°F
S 6 mph
Precip.
10%
26.08
wed
Day
68°F
W 2 mph
Precip.
2%
Night
59°F
E 2 mph
Precip.
23%
27.08
thu
Day
66°F
N 4 mph
Precip.
6%
Night
57°F
W 5 mph
Precip.
12%
28.08
fri
Day
64°F
N 7 mph
Precip.
16%
Night
59°F
NW 9 mph
Precip.
20%
29.08
sat
Day
64°F
NW 11 mph
Precip.
9%
Night
59°F
N 7 mph
Precip.
46%
30.08
sun
Day
64°F
NE 9 mph
Precip.
61%
Night
59°F
N 6 mph
Precip.
15%
31.08
mon
Day
63°F
N 12 mph
Precip.
45%
Night
57°F
N 3 mph
Precip.
49%
01.09
tue
Day
63°F
NE 10 mph
Precip.
32%
Night
57°F
NE 6 mph
Precip.
85%
02.09
wed
Day
63°F
NE 8 mph
Precip.
39%
Night
50°F
E 10 mph
Precip.
11%
03.09
thu
Day
61°F
NE 12 mph
Precip.
12%
Night
50°F
E 8 mph
Precip.
16%
04.09
fri
Day
63°F
E 7 mph
Precip.
2%
Night
52°F
SE 5 mph
Precip.
8%
05.09
sat
Day
61°F
W 7 mph
Precip.
16%
Night
57°F
SW 10 mph
Precip.
24%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 60.8°F. The highest and lowest sea temperatures during the month were 65.1°F and 57.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 63.3°F and 54.0°F.

Air temperature in Helsinki, °F

Precipitation total in Helsinki, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Helsinki

Sunniest months:
July 15 days
June 14 days
May 14 days
Warmest months:
July 68.5 °F
August 67.1 °F
June 63.2 °F
Warmest sea temp:
August 63.0 °F
July 61.9 °F
September 58.8 °F
Coldest months:
January 27.9 °F
February 28.4 °F
December 33.7 °F
Rainiest months:
August 5 days
July 4 days
October 4 days
Windiest months:
December 12.7 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+57°F
SE 11 mph
Feels like: +55°F
Precip.: 22%
Places in Finland:
Name
°F
+59°F
+57°F
+54°F
+59°F
+55°F
+55°F
+54°F
+57°F
+50°F
+54°F
+54°F
+55°F
+57°F
+57°F
+54°F
24 Hours Forecast
Helsinki
Local time: 23:58
August 24, monday
0000
57°F
SE
11 mph
0300
55°F
SE
10 mph
0600
54°F
SE
11 mph
0900
57°F
S
11 mph
1200
59°F
S
11 mph
1500
64°F
S
10 mph
1800
64°F
S
9 mph
2100
55°F
SE
7 mph
Units of measurement: °C / °F