18.05
mon
mon
Day

55°F
S 6 mph
Precip.
0%
0%
Night

54°F
SW 11 mph
Precip.
0%
0%
19.05
tue
tue
Day

72°F
NW 9 mph
Precip.
0%
0%
Night

59°F
NW 6 mph
Precip.
69%
69%
20.05
wed
wed
Day

57°F
NE 9 mph
Precip.
0%
0%
Night

50°F
E 4 mph
Precip.
0%
0%
21.05
thu
thu
Day

64°F
NE 4 mph
Precip.
0%
0%
Night

50°F
NE 6 mph
Precip.
0%
0%
22.05
fri
fri
Day

59°F
NE 11 mph
Precip.
0%
0%
Night

52°F
E 11 mph
Precip.
0%
0%
23.05
sat
sat
Day

57°F
S 11 mph
Precip.
0%
0%
Night

52°F
NW 6 mph
Precip.
0%
0%
24.05
sun
sun
Day

52°F
E 9 mph
Precip.
100%
100%
Night

55°F
SE 12 mph
Precip.
0%
0%
25.05
mon
mon
Day

46°F
S 16 mph
Precip.
0%
0%
Night

45°F
S 14 mph
Precip.
0%
0%
26.05
tue
tue
Day

54°F
S 9 mph
Precip.
0%
0%
Night

46°F
W 3 mph
Precip.
0%
0%
27.05
wed
wed
Day

63°F
NE 4 mph
Precip.
0%
0%
Night

48°F
N 6 mph
Precip.
0%
0%
28.05
thu
thu
Day

50°F
N 9 mph
Precip.
100%
100%
Night

48°F
E 7 mph
Precip.
100%
100%
29.05
fri
fri
Day

52°F
E 4 mph
Precip.
89%
89%
Night

43°F
NE 6 mph
Precip.
0%
0%
30.05
sat
sat
Day

59°F
N 6 mph
Precip.
0%
0%
Night

50°F
W 9 mph
Precip.
0%
0%
31.05
sun
sun
Day

52°F
N 11 mph
Precip.
100%
100%
Night

52°F
N 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Lappeenranta |
monthly
weather
weather
| Lappeenranta |
current
weather
weather
| Lappeenranta |
7 days
forecast
forecast
| Lappeenranta |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 45.0°F. The highest and lowest sea temperatures during the month were 48.9°F and 38.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 61.5°F and 53.8°F.
Air temperature in Lappeenranta, °F
Precipitation total in Lappeenranta, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lappeenranta
Lappeenranta on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Lappeenranta
Local time: 17:24
May 18, monday
1800

59°F
S
7 mph
7 mph
2100

55°F
S
9 mph
9 mph
May 19, tuesday
0000

54°F
SW
11 mph
11 mph
0300

55°F
W
9 mph
9 mph
0600

54°F
W
9 mph
9 mph
0900

59°F
W
10 mph
10 mph
1200

72°F
NW
9 mph
9 mph
1500

75°F
NW
11 mph
11 mph




























