Measurements:
°C
°F
Tallinn
56°F
NE 6 mph
Feels like: 54°F
Precip: 11%
World Resorts Estonia Tallinn Weather

Tallinn Sea Water Temperature

Current Sea Water Temperature:
+56.0°F
Maximum Sea Water Temperature in June: 69.4°F
Minimum Sea Water Temperature in June: 45.8°F
Average water temperature in June: 55.2°F

Sea Water Temperature for the Last 10 Days:

June 19 56.0°F June 14 54.0°F
June 18 55.2°F June 13 54.2°F
June 17 55.6°F June 12 54.6°F
June 16 55.6°F June 11 54.4°F
June 15 55.8°F June 10 54.0°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Tallinn was 63.2°F. The maximum and minimum values were 59.2°F and 70.0°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:
July 15 days
June 14 days
May 14 days
The most warm months:
July 70.2 °F
August 69.3 °F
June 64.1 °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 +56
Kohtla-Järve +56
Kunda +54
Kuressaare +58
Narva +56
Otepaa +54
Parnu +58
Saaremaa +58
Sillamäe +56
Tallinn +56
Tartu +54
Toila +56
Valga +54
Varska +56
Võru +54
24 Hours Weather Forecast
Tallinn
Local time: 05:28
20 jun, saturday
0600 56°F
NE
6 mph
0900 66°F
NE
7 mph
1200 72°F
NE
8 mph
1500 74°F
E
10 mph
1800 72°F
E
11 mph
2100 70°F
NE
9 mph
21 jun, sunday
0000 64°F
N
9 mph
0300 62°F
N
11 mph