30.12
tue
tue
Day
23°F
S 18 mph
Precip.
100%
100%
Night
19°F
S 19 mph
Precip.
0%
0%
31.12
wed
wed
Day
18°F
S 14 mph
Precip.
0%
0%
Night
12°F
SE 8 mph
Precip.
0%
0%
01.01
thu
thu
Day
12°F
N 3 mph
Precip.
0%
0%
Night
12°F
W 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
19°F
W 11 mph
Precip.
100%
100%
Night
21°F
W 8 mph
Precip.
85%
85%
03.01
sat
sat
Day
23°F
W 7 mph
Precip.
62%
62%
Night
25°F
W 9 mph
Precip.
100%
100%
04.01
sun
sun
Day
23°F
W 6 mph
Precip.
59%
59%
Night
19°F
SW 4 mph
Precip.
0%
0%
05.01
mon
mon
Day
18°F
SW 2 mph
Precip.
85%
85%
Night
14°F
W 1 mph
Precip.
73%
73%
sea water
temperature
temperature
| Lappeenranta |
monthly
weather
weather
| Lappeenranta |
current
weather
weather
| Lappeenranta |
14 days
forecast
forecast
| Lappeenranta |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 35.9°F. The highest and lowest sea temperatures during the month were 38.7°F and 33.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 32.1°F. The highest and lowest sea temperatures during the month were 33.4°F and 30.9°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: 06:36
December 30, tuesday
0900
25°F
SW
17 mph
17 mph
1200
23°F
S
18 mph
18 mph
1500
23°F
S
19 mph
19 mph
1800
23°F
S
20 mph
20 mph
2100
21°F
S
20 mph
20 mph
December 31, wednesday
0000
19°F
S
19 mph
19 mph
0300
18°F
S
19 mph
19 mph
0600
18°F
S
17 mph
17 mph
