World Resorts Finland Lappeenranta Weather

Lappeenranta sea water temperature

Current sea water temperature:
+62.6°F
Minimum sea water temperature in August: 76.1°F
Maximum sea water temperature in August: 51.3°F
Average sea water temperature in August: 65.6°F

Sea water temperature for the last 10 days:

August 27 62.6°F August 22 64.2°F
August 26 62.8°F August 21 63.7°F
August 25 63.5°F August 20 64.2°F
August 24 63.7°F August 19 64.6°F
August 23 64.4°F August 18 64.6°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 65.2°F. The highest and lowest sea temperatures during the month were 67.5°F and 62.6°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 66.6°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.

Best time for vacation in Lappeenranta

Sunniest months:
July 12 days
June 11 days
May 11 days
Warmest months:
July 70.9 °F
August 68.0 °F
June 66.1 °F
Warmest sea temp:
August 65.6 °F
July 65.1 °F
September 59.2 °F
Coldest months:
January 22.1 °F
February 23.9 °F
December 28.6 °F
Rainiest months:
June 4 days
October 4 days
August 4 days
Windiest months:
December 9.4 mph
November 9.1 mph
October 8.8 mph

Lappeenranta on a weather map

Lappeenranta
+68°F
S 6 mph
Feels like: +68°F
Precip.: 9%
Places in Finland:
Name
°F
+68°F
+66°F
+55°F
+63°F
+68°F
+68°F
+61°F
+68°F
+54°F
+64°F
+68°F
+68°F
+66°F
+68°F
+68°F
24 Hours Forecast
Lappeenranta
Local time: 15:34
August 27, thursday
1800
64°F
SW
2 mph
2100
61°F
NW
4 mph
August 28, friday
0000
57°F
NW
4 mph
0300
57°F
NW
4 mph
0600
57°F
NW
3 mph
0900
59°F
N
2 mph
1200
63°F
N
4 mph
1500
66°F
N
3 mph
Units of measurement: °C / °F