Measurements:
°C
°F
CURRENT WEATHER
18:43
Unawatuna
84°F
E 11 mph
Feels like: 92°F
Precip: 100%
World Resorts Sri Lanka Unawatuna Weather

7 Day Weather Forecast

05.31
sun
DAY
84°F
E 12 mph
precip
100%
NIGHT
82°F
E 11 mph
precip
100%
06.01
mon
DAY
86°F
E 12 mph
precip
100%
NIGHT
84°F
E 11 mph
precip
63%
06.02
tue
DAY
86°F
E 13 mph
precip
100%
NIGHT
84°F
E 14 mph
precip
100%
06.03
wed
DAY
84°F
E 14 mph
precip
100%
NIGHT
82°F
E 14 mph
precip
100%
06.04
thu
DAY
86°F
E 17 mph
precip
100%
NIGHT
82°F
NE 14 mph
precip
100%
06.05
fri
DAY
86°F
E 14 mph
precip
100%
NIGHT
84°F
E 14 mph
precip
100%
06.06
sat
DAY
86°F
E 15 mph
precip
100%
NIGHT
84°F
E 12 mph
precip
100%

Unawatuna Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Unawatuna was 29.4°F. The maximum and minimum values were 28.4°F and 30.9°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:
April 92.3 °F
March 92.2 °F
February 90.7 °F
Warmest sea temperature:
April 89.8 °F
May 88.4 °F
March 88.2 °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