Current sea water temperature:
+41.7°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 27 | 41.7°F | December 22 | 42.3°F |
| December 26 | 41.9°F | December 21 | 42.3°F |
| December 25 | 40.8°F | December 20 | 42.1°F |
| December 24 | 41.2°F | December 19 | 42.4°F |
| December 23 | 41.5°F | December 18 | 42.4°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: 18:46
December 27, saturday
2100
34°F
S
22 mph
22 mph
December 28, sunday
0000
36°F
S
29 mph
29 mph
0300
36°F
S
29 mph
29 mph
0600
34°F
S
29 mph
29 mph
0900
32°F
S
25 mph
25 mph
1200
30°F
S
23 mph
23 mph
1500
32°F
SE
20 mph
20 mph
1800
34°F
SE
12 mph
12 mph
