18.12
thu
thu
Day
84°F
E 4 mph
Precip.
100%
100%
Night
75°F
S 7 mph
Precip.
0%
0%
19.12
fri
fri
Day
86°F
E 5 mph
Precip.
100%
100%
Night
77°F
W 5 mph
Precip.
78%
78%
20.12
sat
sat
Day
82°F
SE 6 mph
Precip.
100%
100%
Night
75°F
S 9 mph
Precip.
0%
0%
21.12
sun
sun
Day
84°F
SE 9 mph
Precip.
66%
66%
Night
75°F
SW 2 mph
Precip.
0%
0%
22.12
mon
mon
Day
82°F
SE 7 mph
Precip.
89%
89%
Night
75°F
S 8 mph
Precip.
0%
0%
23.12
tue
tue
Day
82°F
SE 9 mph
Precip.
0%
0%
Night
75°F
S 6 mph
Precip.
100%
100%
24.12
wed
wed
Day
82°F
E 7 mph
Precip.
100%
100%
Night
75°F
S 7 mph
Precip.
100%
100%
25.12
thu
thu
Day
82°F
SE 13 mph
Precip.
0%
0%
Night
72°F
S 8 mph
Precip.
0%
0%
26.12
fri
fri
Day
82°F
SE 7 mph
Precip.
0%
0%
Night
73°F
NE 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
79°F
W 5 mph
Precip.
0%
0%
Night
72°F
SW 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
82°F
SE 7 mph
Precip.
0%
0%
Night
73°F
SW 5 mph
Precip.
0%
0%
29.12
mon
mon
Day
81°F
E 6 mph
Precip.
0%
0%
Night
73°F
S 7 mph
Precip.
45%
45%
30.12
tue
tue
Day
82°F
SE 11 mph
Precip.
0%
0%
Night
75°F
NW 9 mph
Precip.
0%
0%
31.12
wed
wed
Day
82°F
SE 11 mph
Precip.
0%
0%
Night
75°F
NE 8 mph
Precip.
0%
0%
sea water
temperature
temperature
| Kalutara |
monthly
weather
weather
| Kalutara |
current
weather
weather
| Kalutara |
7 days
forecast
forecast
| Kalutara |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 82.9°F and 81.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.0°F.
Air temperature in Kalutara, °F
Precipitation total in Kalutara, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kalutara
Kalutara on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Kalutara
Local time: 07:08
December 18, thursday
0900
81°F
S
6 mph
6 mph
1200
84°F
E
4 mph
4 mph
1500
82°F
E
6 mph
6 mph
1800
81°F
NE
5 mph
5 mph
2100
79°F
SE
3 mph
3 mph
December 19, friday
0000
75°F
S
7 mph
7 mph
0300
75°F
S
9 mph
9 mph
0600
73°F
S
9 mph
9 mph
