World Resorts Sri Lanka Unawatuna Weather

Unawatuna 7 Days Forecast

11.05
mon
Day
84°F
E 12 mph
Precip.
100%
Night
81°F
E 9 mph
Precip.
100%
12.05
tue
Day
82°F
E 11 mph
Precip.
100%
Night
81°F
E 14 mph
Precip.
100%
13.05
wed
Day
81°F
E 13 mph
Precip.
64%
Night
81°F
E 11 mph
Precip.
67%
14.05
thu
Day
84°F
E 13 mph
Precip.
100%
Night
81°F
E 13 mph
Precip.
100%
15.05
fri
Day
81°F
E 18 mph
Precip.
100%
Night
81°F
E 15 mph
Precip.
100%
16.05
sat
Day
81°F
E 14 mph
Precip.
100%
Night
79°F
E 9 mph
Precip.
62%
17.05
sun
Day
84°F
E 15 mph
Precip.
100%
Night
82°F
E 14 mph
Precip.
100%

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 86.0°F and 83.8°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

Sunniest months:
January 13 days
March 13 days
February 11 days
Warmest months:
April 88.0 °F
March 88.0 °F
February 86.6 °F
Warmest sea temp:
April 85.8 °F
May 84.6 °F
March 84.4 °F
Coldest months:
September 84.0 °F
August 84.1 °F
July 84.5 °F
Rainiest months:
June 18 days
September 18 days
August 17 days
Windiest months:
July 12.6 mph
June 12.5 mph
August 12.1 mph

Unawatuna on a weather map

Current weather
04:31
Unawatuna
+79°F
E 9 mph
Feels like: +86°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
Ahungalla
+79°F
Bentota
+79°F
Beruwela
+79°F
Weligama
+81°F
Halle
+79°F
Colombo
+81°F
Marawila
+81°F
Marissa
+79°F
Negombo
+81°F
Pasikuda
+77°F
Tangalle
+77°F
Trincomalee
+79°F
Unawatuna
+79°F
Hambantota
+79°F
Hikkaduwa
+79°F
all places
24 Hours Forecast
Unawatuna
Local time: 04:31
May 11, monday
0600
81°F
SE
7 mph
0900
82°F
E
8 mph
1200
84°F
E
12 mph
1500
82°F
E
13 mph
1800
81°F
E
10 mph
2100
81°F
SE
8 mph
May 12, tuesday
0000
81°F
E
9 mph
0300
81°F
E
11 mph
Units of measurement: °C / °F