Current sea water temperature:
+67.5°F
| Minimum sea water temperature in July: | 78.4°F |
| Maximum sea water temperature in July: | 42.8°F |
| Average sea water temperature in July: | 65.1°F |
| more information | |
14 days
forecast
forecast
| Lappeenranta |
monthly
weather
weather
| Lappeenranta |
Sea water temperature for the last 10 days:
| July 17 | 67.5°F | July 12 | 66.9°F |
| July 16 | 66.9°F | July 11 | 66.2°F |
| July 15 | 68.4°F | July 10 | 65.1°F |
| July 14 | 67.8°F | July 9 | 64.4°F |
| July 13 | 68.9°F | July 8 | 65.1°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.3°F. The highest and lowest sea temperatures during the month were 68.9°F and 64.4°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
July
July
| Lappeenranta |
Best time for vacation in Lappeenranta
Lappeenranta on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Lappeenranta
Local time: 09:21
July 18, saturday
1200

70°F
N
12 mph
12 mph
1500

77°F
N
14 mph
14 mph
1800

77°F
N
11 mph
11 mph
2100

70°F
N
9 mph
9 mph
July 19, sunday
0000

68°F
N
14 mph
14 mph
0300

64°F
N
15 mph
15 mph
0600

64°F
N
16 mph
16 mph
0900

63°F
N
17 mph
17 mph




























