Current sea water temperature:
+44.8°F
| Minimum sea water temperature in May: | 56.1°F |
| Maximum sea water temperature in May: | 36.7°F |
| Average sea water temperature in May: | 44.6°F |
| more information | |
14 days
forecast
forecast
| Tallinn |
monthly
weather
weather
| Tallinn |
Sea water temperature for the last 10 days:
| May 18 | 44.8°F | May 13 | 43.2°F |
| May 17 | 44.4°F | May 12 | 43.3°F |
| May 16 | 44.1°F | May 11 | 43.3°F |
| May 15 | 44.2°F | May 10 | 43.0°F |
| May 14 | 43.3°F | May 9 | 43.9°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
May
May
| Tallinn |
Best time for vacation in Tallinn
Tallinn on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Tallinn
Local time: 16:38
May 18, monday
1800
50°F
W
7 mph
7 mph
2100
48°F
SW
11 mph
11 mph
May 19, tuesday
0000
48°F
SW
16 mph
16 mph
0300
46°F
SW
14 mph
14 mph
0600
48°F
SW
11 mph
11 mph
0900
54°F
W
9 mph
9 mph
1200
63°F
NW
8 mph
8 mph
1500
66°F
NW
9 mph
9 mph
