Current sea water temperature:
+31.6°F
| Minimum sea water temperature in January: | 34.9°F |
| Maximum sea water temperature in January: | 28.8°F |
| Average sea water temperature in January: | 31.4°F |
| more information | |
14 days
forecast
forecast
| Lappeenranta |
monthly
weather
weather
| Lappeenranta |
Sea water temperature for the last 10 days:
| January 12 | 31.6°F | January 7 | 32.4°F |
| January 11 | 31.6°F | January 6 | 32.5°F |
| January 10 | 31.8°F | January 5 | 33.4°F |
| January 9 | 32.0°F | January 4 | 33.6°F |
| January 8 | 32.2°F | January 3 | 33.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Lappeenranta?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lappeenranta was noticed in August, July and September.
Monthly Sea Temperatures in Lappeenranta, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 76.1°F and 61.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.1°F. The highest and lowest sea temperatures during the month were 75.9°F and 59.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.2°F. The highest and lowest sea temperatures during the month were 64.9°F and 55.4°F.
current
weather
weather
| Lappeenranta |
weather in
January
January
| Lappeenranta |
Best time for vacation in Lappeenranta
Lappeenranta on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Lappeenranta
Local time: 17:57
January 12, monday
1800

12°F
SW
7 mph
7 mph
2100

12°F
SW
7 mph
7 mph
January 13, tuesday
0000

12°F
SW
6 mph
6 mph
0300

12°F
SW
7 mph
7 mph
0600

10°F
SW
6 mph
6 mph
0900

10°F
SW
6 mph
6 mph
1200

14°F
SW
6 mph
6 mph
1500

14°F
S
6 mph
6 mph



























