Measurements:
°C
°F
Tallinn
72°F
E 4 mph
Feels like: 72°F
Precip: 4%
World Resorts Estonia Tallinn Weather

Tallinn Sea Water Temperature

Current Sea Water Temperature:
+63.8°F
Maximum Sea Water Temperature in July: 74.8°F
Minimum Sea Water Temperature in July: 55.2°F
Average water temperature in July: 64.3°F

Sea Water Temperature for the Last 10 Days:

July 30 63.8°F July 25 62.6°F
July 29 63.8°F July 24 62.0°F
July 28 62.0°F July 23 62.6°F
July 27 61.2°F July 22 63.4°F
July 26 60.8°F July 21 64.6°F

When is the Warmest Sea for Tallinn?

According to our data for the last three years for Tallinn the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Tallinn was 66.7°F. The maximum and minimum values were 63.2°F and 69.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Tallinn was 64.3°F. The maximum and minimum values were 60.8°F and 66.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Tallinn was 60.8°F. The maximum and minimum values were 58.2°F and 64.2°F respectively.

Best Time to Visit Tallinn
The most sunny months:
June 14 days
May 14 days
July 14 days
The most warm months:
July 70.0 °F
August 69.3 °F
June 64.0 °F
Warmest sea temperature:
August 66.7 °F
July 64.3 °F
September 60.9 °F
The most cold months:
January 26.9 °F
February 27.2 °F
December 32.4 °F
The most rainy months:
August 5 days
October 4 days
September 4 days
The most windy months:
December 14 mph
November 12 mph
January 12 mph

Tallinn on the Weather Map

Estonia Resorts:
NAME
Jõhvi +70
Kohtla-Järve +70
Kunda +72
Kuressaare +70
Narva +74
Otepaa +74
Parnu +72
Saaremaa +70
Sillamäe +70
Tallinn +72
Tartu +74
Toila +70
Valga +76
Varska +72
Võru +76
24 Hours Weather Forecast
Tallinn
Local time: 12:02
30 jul, thursday
1500 74°F
SE
5 mph
1800 74°F
SE
2 mph
2100 70°F
NW
3 mph
31 jul, friday
0000 64°F
N
7 mph
0300 62°F
N
8 mph
0600 64°F
N
11 mph
0900 72°F
N
12 mph
1200 80°F
N
15 mph