20.12
sat
sat
Day

41°F
NE 9 mph
Precip.
0%
0%
Night

39°F
NE 9 mph
Precip.
82%
82%
21.12
sun
sun
Day

36°F
SE 11 mph
Precip.
0%
0%
Night

32°F
SE 7 mph
Precip.
0%
0%
22.12
mon
mon
Day

25°F
SW 9 mph
Precip.
0%
0%
Night

21°F
SW 9 mph
Precip.
0%
0%
23.12
tue
tue
Day

19°F
S 7 mph
Precip.
0%
0%
Night

18°F
SE 5 mph
Precip.
0%
0%
24.12
wed
wed
Day

23°F
E 12 mph
Precip.
0%
0%
Night

25°F
SE 8 mph
Precip.
0%
0%
25.12
thu
thu
Day

25°F
SE 4 mph
Precip.
0%
0%
Night

23°F
SE 4 mph
Precip.
0%
0%
26.12
fri
fri
Day

27°F
E 5 mph
Precip.
0%
0%
Night

28°F
NE 9 mph
Precip.
0%
0%
27.12
sat
sat
Day

32°F
E 12 mph
Precip.
0%
0%
Night

28°F
E 9 mph
Precip.
27%
27%
28.12
sun
sun
Day

25°F
S 11 mph
Precip.
0%
0%
Night

18°F
N 3 mph
Precip.
0%
0%
29.12
mon
mon
Day

19°F
NE 7 mph
Precip.
0%
0%
Night

21°F
N 6 mph
Precip.
26%
26%
30.12
tue
tue
Day

25°F
NE 4 mph
Precip.
100%
100%
Night

25°F
S 5 mph
Precip.
100%
100%
31.12
wed
wed
Day

21°F
SE 6 mph
Precip.
80%
80%
Night

16°F
S 4 mph
Precip.
0%
0%
01.01
thu
thu
Day

21°F
SW 4 mph
Precip.
100%
100%
Night

18°F
SW 9 mph
Precip.
100%
100%
02.01
fri
fri
Day

12°F
S 7 mph
Precip.
0%
0%
Night

5°F
S 3 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 December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 36.6°F. The highest and lowest sea temperatures during the month were 38.7°F and 34.5°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: 12:43
December 20, saturday
1500

39°F
NE
7 mph
7 mph
1800

39°F
NE
9 mph
9 mph
2100

39°F
NE
10 mph
10 mph
December 21, sunday
0000

39°F
NE
9 mph
9 mph
0300

39°F
E
8 mph
8 mph
0600

39°F
E
9 mph
9 mph
0900

37°F
SE
9 mph
9 mph
1200

36°F
SE
11 mph
11 mph


























