World Resorts Sri Lanka Unawatuna Weather

Unawatuna 14 Days Forecast

31.05
sun
Day
84°F
E 12 mph
Precip.
100%
Night
81°F
E 11 mph
Precip.
100%
01.06
mon
Day
84°F
E 12 mph
Precip.
100%
Night
81°F
E 13 mph
Precip.
100%
02.06
tue
Day
82°F
E 12 mph
Precip.
100%
Night
81°F
E 13 mph
Precip.
100%
03.06
wed
Day
82°F
E 14 mph
Precip.
100%
Night
81°F
E 17 mph
Precip.
100%
04.06
thu
Day
81°F
E 17 mph
Precip.
100%
Night
81°F
E 16 mph
Precip.
100%
05.06
fri
Day
82°F
E 15 mph
Precip.
100%
Night
81°F
E 12 mph
Precip.
100%
06.06
sat
Day
82°F
E 14 mph
Precip.
100%
Night
81°F
E 13 mph
Precip.
100%
07.06
sun
Day
82°F
E 14 mph
Precip.
100%
Night
79°F
E 13 mph
Precip.
100%
08.06
mon
Day
82°F
E 13 mph
Precip.
100%
Night
81°F
E 12 mph
Precip.
100%
09.06
tue
Day
84°F
E 14 mph
Precip.
100%
Night
81°F
E 14 mph
Precip.
100%
10.06
wed
Day
84°F
E 15 mph
Precip.
70%
Night
81°F
E 16 mph
Precip.
100%
11.06
thu
Day
82°F
E 16 mph
Precip.
100%
Night
81°F
E 15 mph
Precip.
100%
12.06
fri
Day
82°F
E 14 mph
Precip.
100%
Night
79°F
E 14 mph
Precip.
100%
13.06
sat
Day
82°F
E 14 mph
Precip.
100%
Night
79°F
E 12 mph
Precip.
100%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 85.1°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.1°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 83.7°F and 81.9°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
04:52
Unawatuna
+81°F
E 9 mph
Feels like: +86°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
Ahungalla
+81°F
Bentota
+81°F
Beruwela
+81°F
Weligama
+79°F
Halle
+81°F
Colombo
+81°F
Marawila
+81°F
Marissa
+79°F
Negombo
+81°F
Pasikuda
+82°F
Tangalle
+79°F
Trincomalee
+82°F
Unawatuna
+81°F
Hambantota
+81°F
Hikkaduwa
+81°F
all places
24 Hours Forecast
Unawatuna
Local time: 04:52
May 31, sunday
0600
81°F
E
9 mph
0900
82°F
E
11 mph
1200
84°F
E
12 mph
1500
82°F
E
12 mph
1800
81°F
E
10 mph
2100
81°F
E
11 mph
June 01, monday
0000
81°F
E
11 mph
0300
79°F
E
11 mph
Units of measurement: °C / °F