15.01
thu
thu
Day
84°F
NE 4 mph
Precip.
0%
0%
Night
75°F
SW 1 mph
Precip.
0%
0%
16.01
fri
fri
Day
81°F
NE 6 mph
Precip.
100%
100%
Night
77°F
N 2 mph
Precip.
0%
0%
17.01
sat
sat
Day
82°F
E 7 mph
Precip.
73%
73%
Night
75°F
N 3 mph
Precip.
100%
100%
18.01
sun
sun
Day
81°F
E 7 mph
Precip.
0%
0%
Night
75°F
SW 1 mph
Precip.
75%
75%
19.01
mon
mon
Day
81°F
E 7 mph
Precip.
0%
0%
Night
73°F
SW 4 mph
Precip.
0%
0%
20.01
tue
tue
Day
81°F
NE 5 mph
Precip.
0%
0%
Night
75°F
N 6 mph
Precip.
0%
0%
21.01
wed
wed
Day
81°F
NE 9 mph
Precip.
75%
75%
Night
75°F
NW 3 mph
Precip.
41%
41%
22.01
thu
thu
Day
81°F
NE 6 mph
Precip.
75%
75%
Night
75°F
N 3 mph
Precip.
28%
28%
23.01
fri
fri
Day
82°F
NW 6 mph
Precip.
23%
23%
Night
75°F
E 3 mph
Precip.
61%
61%
24.01
sat
sat
Day
84°F
NW 6 mph
Precip.
26%
26%
Night
73°F
W 9 mph
Precip.
0%
0%
25.01
sun
sun
Day
84°F
NW 14 mph
Precip.
0%
0%
Night
73°F
W 7 mph
Precip.
0%
0%
26.01
mon
mon
Day
84°F
N 4 mph
Precip.
0%
0%
Night
75°F
SW 3 mph
Precip.
0%
0%
27.01
tue
tue
Day
82°F
E 8 mph
Precip.
0%
0%
Night
77°F
N 1 mph
Precip.
0%
0%
28.01
wed
wed
Day
82°F
NE 6 mph
Precip.
100%
100%
Night
77°F
W 3 mph
Precip.
100%
100%
sea water
temperature
temperature
| Unawatuna |
monthly
weather
weather
| Unawatuna |
current
weather
weather
| Unawatuna |
7 days
forecast
forecast
| Unawatuna |
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 81.8°F. The highest and lowest sea temperatures during the month were 82.2°F and 81.3°F.
Air temperature in Unawatuna, °F
Precipitation total in Unawatuna, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Unawatuna
Unawatuna on a weather map
Places in Sri Lanka:
Name
°F
24 Hours Forecast
Unawatuna
Local time: 19:41
January 15, thursday
2100
77°F
SW
1 mph
1 mph
January 16, friday
0000
75°F
SW
1 mph
1 mph
0300
75°F
S
3 mph
3 mph
0600
75°F
S
4 mph
4 mph
0900
81°F
S
1 mph
1 mph
1200
81°F
NE
6 mph
6 mph
1500
81°F
NE
6 mph
6 mph
1800
77°F
N
4 mph
4 mph
