28.12
sun
sun
Day
27°F
S 17 mph
Precip.
100%
100%
Night
25°F
NE 6 mph
Precip.
74%
74%
29.12
mon
mon
Day
25°F
SE 13 mph
Precip.
100%
100%
Night
23°F
S 17 mph
Precip.
0%
0%
30.12
tue
tue
Day
23°F
S 16 mph
Precip.
100%
100%
Night
21°F
S 14 mph
Precip.
0%
0%
31.12
wed
wed
Day
21°F
S 13 mph
Precip.
100%
100%
Night
19°F
S 7 mph
Precip.
100%
100%
01.01
thu
thu
Day
18°F
NW 6 mph
Precip.
100%
100%
Night
16°F
SE 2 mph
Precip.
71%
71%
02.01
fri
fri
Day
14°F
N 4 mph
Precip.
27%
27%
Night
18°F
W 8 mph
Precip.
100%
100%
03.01
sat
sat
Day
12°F
W 6 mph
Precip.
0%
0%
Night
14°F
W 9 mph
Precip.
0%
0%
04.01
sun
sun
Day
16°F
W 11 mph
Precip.
63%
63%
Night
12°F
SW 17 mph
Precip.
77%
77%
05.01
mon
mon
Day
10°F
SW 16 mph
Precip.
48%
48%
Night
10°F
S 14 mph
Precip.
0%
0%
06.01
tue
tue
Day
12°F
S 9 mph
Precip.
0%
0%
Night
9°F
S 6 mph
Precip.
0%
0%
07.01
wed
wed
Day
10°F
SE 5 mph
Precip.
70%
70%
Night
5°F
SE 3 mph
Precip.
0%
0%
08.01
thu
thu
Day
7°F
NW 1 mph
Precip.
52%
52%
Night
1°F
NW 4 mph
Precip.
0%
0%
09.01
fri
fri
Day
9°F
NW 5 mph
Precip.
24%
24%
Night
10°F
SW 7 mph
Precip.
74%
74%
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 36.0°F. The highest and lowest sea temperatures during the month were 38.7°F and 34.0°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: 01:57
December 28, sunday
0300
32°F
S
13 mph
13 mph
0600
32°F
S
18 mph
18 mph
0900
28°F
S
22 mph
22 mph
1200
27°F
S
17 mph
17 mph
1500
25°F
S
15 mph
15 mph
1800
25°F
SE
9 mph
9 mph
2100
25°F
NE
4 mph
4 mph
December 29, monday
0000
25°F
NE
6 mph
6 mph
