Measurements:
°C
°F
CURRENT WEATHER
11:17
Lappeenranta
52°F
S 14 mph
Feels like: 48°F
Precip: 0%
World Resorts Finland Lappeenranta Weather

7 Day Weather Forecast

05.30
sat
DAY
52°F
S 14 mph
precip
0%
NIGHT
48°F
SW 6 mph
precip
0%
05.31
sun
DAY
56°F
SW 3 mph
precip
0%
NIGHT
46°F
NW 3 mph
precip
0%
06.01
mon
DAY
62°F
SW 2 mph
precip
0%
NIGHT
50°F
N 4 mph
precip
0%
06.02
tue
DAY
66°F
N 4 mph
precip
0%
NIGHT
54°F
NW 4 mph
precip
0%
06.03
wed
DAY
56°F
NW 4 mph
precip
100%
NIGHT
52°F
SW 10 mph
precip
100%
06.04
thu
DAY
62°F
W 11 mph
precip
60%
NIGHT
50°F
W 6 mph
precip
0%
06.05
fri
DAY
70°F
W 9 mph
precip
0%
NIGHT
54°F
SW 4 mph
precip
0%

Lappeenranta Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Lappeenranta was 9.0°F. The maximum and minimum values were 3.7°F and 13.1°F respectively.

Lappeenranta on the Weather Map

Best Time to Visit Lappeenranta
The most sunny months:
June 12 days
July 12 days
May 11 days
The most warm months:
July 73.6 °F
August 70.1 °F
June 67.9 °F
Warmest sea temperature:
August 67.4 °F
July 66.7 °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
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