Measurements:
°C
°F
Tallinn
20°F
SW 23 mph
Feels like: 2°F
Precip: 100%
World Resorts Estonia Tallinn Weather

Tallinn Sea Water Temperature

Current Sea Water Temperature:
+36.8°F
Maximum Sea Water Temperature in January: 40.6°F
Minimum Sea Water Temperature in January: 27.2°F
Average water temperature in January: 34.8°F

Sea Water Temperature for the Last 10 Days:

January 10 36.8°F January 05 39.2°F
January 09 37.2°F January 04 39.2°F
January 08 37.6°F January 03 39.6°F
January 07 38.4°F January 02 39.8°F
January 06 38.8°F January 01 40.2°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 27.4 °F
February 27.8 °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 +18
Kohtla-Järve +20
Kunda +20
Kuressaare +20
Narva +16
Otepaa +14
Parnu +18
Saaremaa +20
Sillamäe +18
Tallinn +20
Tartu +14
Toila +18
Valga +14
Varska +10
Võru +12
24 Hours Weather Forecast
Tallinn
Local time: 22:20
11 jan, sunday
0000 20°F
SW
22 mph
0300 20°F
SW
22 mph
0600 20°F
SW
22 mph
0900 20°F
SW
21 mph
1200 20°F
S
21 mph
1500 20°F
S
20 mph
1800 22°F
SW
19 mph
2100 22°F
SW
17 mph