World Resorts Finland Vantaa Weather

Vantaa sea water temperature

Current sea water temperature:
+34.9°F
Minimum sea water temperature in January: 39.4°F
Maximum sea water temperature in January: 29.1°F
Average sea water temperature in January: 34.1°F

Sea water temperature for the last 10 days:

January 11 34.9°F January 6 34.5°F
January 10 34.9°F January 5 36.9°F
January 9 34.9°F January 4 37.2°F
January 8 34.9°F January 3 37.6°F
January 7 34.7°F January 2 37.9°F

When is the warmest sea in Vantaa?

Based on the data about daily sea water temperature for the last three years the warmest sea in Vantaa was noticed in August, July and September.

Monthly Sea Temperatures in Vantaa, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 63.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 56.8°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 62.8°F. The highest and lowest sea temperatures during the month were 74.5°F and 54.1°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 63.1°F and 54.9°F.

Best time for vacation in Vantaa

Sunniest months:
June 14 days
July 14 days
May 13 days
Warmest months:
July 70.5 °F
August 68.1 °F
June 65.6 °F
Warmest sea temp:
August 63.2 °F
July 61.8 °F
September 58.8 °F
Coldest months:
January 27.0 °F
February 28.4 °F
December 32.4 °F
Rainiest months:
October 4 days
August 4 days
September 4 days
Windiest months:
December 10.1 mph
November 9.4 mph
January 9.3 mph

Vantaa on a weather map

Vantaa
+18°F
SW 8 mph
Feels like: +7°F
Precip.: 0%
Places in Finland:
Name
°F
+14°F
+18°F
+3°F
+19°F
+18°F
+18°F
+7°F
+16°F
-9°F
+14°F
+18°F
+19°F
+18°F
+14°F
24 Hours Forecast
Vantaa
Local time: 05:54
January 12, monday
0600
18°F
SW
8 mph
0900
14°F
SW
7 mph
1200
16°F
SW
7 mph
1500
16°F
SW
7 mph
1800
10°F
SW
6 mph
2100
9°F
SW
6 mph
January 13, tuesday
0000
7°F
SW
6 mph
0300
9°F
SW
6 mph
Units of measurement: °C / °F