Current sea water temperature:
+42.3°F
| Minimum sea water temperature in December: | 45.3°F |
| Maximum sea water temperature in December: | 35.8°F |
| Average sea water temperature in December: | 40.5°F |
| more information | |
14 days
forecast
forecast
| Tallinn |
monthly
weather
weather
| Tallinn |
Sea water temperature for the last 10 days:
| December 21 | 42.3°F | December 16 | 41.4°F |
| December 20 | 42.1°F | December 15 | 41.9°F |
| December 19 | 42.4°F | December 14 | 42.1°F |
| December 18 | 42.4°F | December 13 | 42.3°F |
| December 17 | 41.4°F | December 12 | 41.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Tallinn?
Based on the data about daily sea water temperature for the last three years the warmest sea in Tallinn was noticed in August, July and September.
Monthly Sea Temperatures in Tallinn, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 67.8°F and 61.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 61.9°F. The highest and lowest sea temperatures during the month were 68.0°F and 58.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.8°F and 57.4°F.
current
weather
weather
| Tallinn |
weather in
December
December
| Tallinn |
Best time for vacation in Tallinn
Tallinn on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Tallinn
Local time: 23:11
December 22, monday
0000
36°F
SE
9 mph
9 mph
0300
36°F
SE
10 mph
10 mph
0600
36°F
SE
11 mph
11 mph
0900
34°F
S
9 mph
9 mph
1200
36°F
SW
11 mph
11 mph
1500
32°F
SW
14 mph
14 mph
1800
30°F
SW
14 mph
14 mph
2100
28°F
SW
15 mph
15 mph
