Measurements:
°C
°F
CURRENT WEATHER
15:27
Unawatuna
84°F
NE 4 mph
Feels like: 92°F
Precip: 100%
World Resorts Sri Lanka Unawatuna Weather

7 Day Weather Forecast

12.17
wed
DAY
86°F
NE 5 mph
precip
100%
NIGHT
80°F
SW 6 mph
precip
74%
12.18
thu
DAY
88°F
SE 2 mph
precip
100%
NIGHT
78°F
SW 6 mph
precip
0%
12.19
fri
DAY
84°F
NE 5 mph
precip
100%
NIGHT
80°F
N 2 mph
precip
0%
12.20
sat
DAY
84°F
E 6 mph
precip
100%
NIGHT
80°F
S 6 mph
precip
100%
12.21
sun
DAY
82°F
E 6 mph
precip
100%
NIGHT
80°F
NE 2 mph
precip
0%
12.22
mon
DAY
82°F
E 4 mph
precip
85%
NIGHT
76°F
S 5 mph
precip
0%
12.23
tue
DAY
84°F
NE 4 mph
precip
43%
NIGHT
78°F
W 1 mph
precip
0%

Unawatuna Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Unawatuna was 28.2°F. The maximum and minimum values were 27.9°F and 28.7°F respectively.

Unawatuna on the Weather Map

Best Time to Visit Unawatuna
The most sunny months:
January 13 days
March 13 days
February 11 days
The most warm months:
March 92.5 °F
April 92.5 °F
February 91.1 °F
Warmest sea temperature:
April 89.7 °F
May 88.4 °F
March 88.3 °F
The most cold months:
September 87.8 °F
August 87.9 °F
July 88.3 °F
The most rainy months:
June 18 days
September 18 days
August 17 days
The most windy months:
July 12 mph
June 12 mph
August 12 mph
more details