World Resorts Finland Lappeenranta Weather

Lappeenranta sea water temperature

Current sea water temperature:
+63.5°F
Minimum sea water temperature in June: 74.3°F
Maximum sea water temperature in June: 39.9°F
Average sea water temperature in June: 58.0°F

Sea water temperature for the last 10 days:

June 27 63.5°F June 22 63.9°F
June 26 64.0°F June 21 62.4°F
June 25 63.5°F June 20 62.2°F
June 24 65.1°F June 19 60.6°F
June 23 64.4°F June 18 58.6°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:
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.

Best time for vacation in Lappeenranta

Sunniest months:
July 12 days
June 11 days
May 11 days
Warmest months:
July 71.2 °F
August 68.1 °F
June 66.0 °F
Warmest sea temp:
August 65.7 °F
July 65.0 °F
September 59.2 °F
Coldest months:
January 22.1 °F
February 23.9 °F
December 28.6 °F
Rainiest months:
August 5 days
June 4 days
October 4 days
Windiest months:
December 9.4 mph
November 9.1 mph
October 8.8 mph

Lappeenranta on a weather map

Lappeenranta
+57°F
S 4 mph
Feels like: +57°F
Precip.: 10%
Places in Finland:
Name
°F
+55°F
+61°F
+57°F
+54°F
+57°F
+54°F
+59°F
+59°F
+50°F
+55°F
+61°F
+61°F
+61°F
+55°F
24 Hours Forecast
Lappeenranta
Local time: 05:28
June 28, sunday
0600
57°F
S
4 mph
0900
66°F
SW
3 mph
1200
73°F
E
2 mph
1500
75°F
N
8 mph
1800
70°F
N
7 mph
2100
63°F
N
6 mph
June 29, monday
0000
61°F
N
6 mph
0300
61°F
N
6 mph
Units of measurement: °C / °F