Measurements:
°C
°F
Lappeenranta
60°F
SE 7 mph
Feels like: 60°F
Precip: 19%
World Resorts Finland Lappeenranta Weather

7 Day Weather Forecast

08.19
wed
DAY
58°F
S 9 mph
precip
45%
NIGHT
52°F
E 6 mph
precip
28%
08.20
thu
DAY
66°F
NE 6 mph
precip
1%
NIGHT
56°F
NE 2 mph
precip
27%
08.21
fri
DAY
66°F
NE 6 mph
precip
2%
NIGHT
54°F
S 6 mph
precip
75%
08.22
sat
DAY
64°F
E 6 mph
precip
9%
NIGHT
54°F
NE 4 mph
precip
43%
08.23
sun
DAY
64°F
E 6 mph
precip
16%
NIGHT
56°F
NE 4 mph
precip
39%
08.24
mon
DAY
58°F
S 7 mph
precip
22%
NIGHT
54°F
S 5 mph
precip
25%
08.25
tue
DAY
66°F
SW 6 mph
precip
11%
NIGHT
56°F
W 3 mph
precip
24%

Lappeenranta Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Lappeenranta was 18.8°F. The maximum and minimum values were 17.4°F and 19.7°F respectively.

Lappeenranta on the Weather Map

Best Time to Visit Lappeenranta
The most sunny months:
July 12 days
June 11 days
May 11 days
The most warm months:
July 73.2 °F
August 70.1 °F
June 67.9 °F
Warmest sea temperature:
August 67.4 °F
July 66.8 °F
September 60.3 °F
The most cold months:
January 19.0 °F
February 21.0 °F
December 26.2 °F
The most rainy months:
August 5 days
June 4 days
October 4 days
The most windy months:
December 9 mph
November 9 mph
October 9 mph