12.17
wed
wed
DAY
86°F
NE 5 mph
precip
100%
100%
NIGHT
80°F
SW 6 mph
precip
74%
74%
12.18
thu
thu
DAY
88°F
SE 2 mph
precip
100%
100%
NIGHT
78°F
SW 6 mph
precip
0%
0%
12.19
fri
fri
DAY
84°F
NE 5 mph
precip
100%
100%
NIGHT
80°F
N 2 mph
precip
0%
0%
12.20
sat
sat
DAY
84°F
E 6 mph
precip
100%
100%
NIGHT
80°F
S 6 mph
precip
100%
100%
12.21
sun
sun
DAY
82°F
E 6 mph
precip
100%
100%
NIGHT
80°F
NE 2 mph
precip
0%
0%
12.22
mon
mon
DAY
82°F
E 4 mph
precip
85%
85%
NIGHT
76°F
S 5 mph
precip
0%
0%
12.23
tue
tue
DAY
84°F
NE 4 mph
precip
43%
43%
NIGHT
78°F
W 1 mph
precip
0%
0%
12.24
wed
wed
DAY
82°F
NE 5 mph
precip
0%
0%
NIGHT
76°F
NW 2 mph
precip
0%
0%
12.25
thu
thu
DAY
82°F
E 4 mph
precip
0%
0%
NIGHT
76°F
SW 2 mph
precip
0%
0%
12.26
fri
fri
DAY
84°F
NE 4 mph
precip
0%
0%
NIGHT
78°F
NW 2 mph
precip
28%
28%
12.27
sat
sat
DAY
84°F
NE 5 mph
precip
0%
0%
NIGHT
80°F
N 4 mph
precip
45%
45%
12.28
sun
sun
DAY
84°F
E 7 mph
precip
0%
0%
NIGHT
80°F
NW 2 mph
precip
0%
0%
12.29
mon
mon
DAY
86°F
E 7 mph
precip
24%
24%
NIGHT
80°F
E 2 mph
precip
76%
76%
12.30
tue
tue
DAY
86°F
N 6 mph
precip
74%
74%
NIGHT
82°F
NW 2 mph
precip
57%
57%
Sea water
temperature
temperature
| Unawatuna |
Weather in
December
December
| Unawatuna |
7 day weather
forecast
forecast
| Unawatuna |
10 day weather
forecast
forecast
| Unawatuna |
14 day weather
forecast
forecast
| Unawatuna |
Monthly weather
averages
averages
| Unawatuna |
Current Weather
Conditions
Conditions
| Unawatuna |
When is the Best
Time to Visit?
Time to Visit?
| Unawatuna |
Unawatuna Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Unawatuna was 86.4°F. The maximum and minimum values were 85.8°F and 87.4°F respectively.
Unawatuna on the Weather Map
Sri Lanka Resorts:
NAME
F°
| Ahungalla |  |
+84 |
| Bentota | |
+84 |
| Beruwela | |
+84 |
| Colombo | |
+86 |
| Hambantota |  |
+82 |
| Hikkaduwa | |
+84 |
| Kalutara | |
+84 |
| Marissa | |
+86 |
| Negombo |  |
+88 |
| Pasikuda | |
+84 |
| Tangalle | |
+86 |
| Trincomalee | |
+82 |
| Unawatuna | |
+84 |
| Wadduwa | |
+84 |
| Weligama | |
+86 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Unawatuna
Local time: 15:28
17 dec, wednesday
| 1800 | |
82°F | N 4 mph |
| 2100 | |
80°F | W 6 mph |
18 dec, thursday
| 0000 | |
80°F | SW 6 mph |
| 0300 | |
80°F | S 4 mph |
| 0600 | |
80°F | SW 2 mph |
| 0900 | |
84°F | S 2 mph |
| 1200 | |
88°F | SE 2 mph |
| 1500 | |
84°F | SE 7 mph |