World Resorts Sri Lanka Unawatuna Weather

Unawatuna 14 Days Forecast

01.08
sat
Day
77°F
SE 23 mph
Precip.
74%
Night
77°F
E 22 mph
Precip.
56%
02.08
sun
Day
81°F
SE 17 mph
Precip.
19%
Night
77°F
E 15 mph
Precip.
85%
03.08
mon
Day
77°F
E 17 mph
Precip.
67%
Night
79°F
SE 16 mph
Precip.
30%
04.08
tue
Day
81°F
SE 17 mph
Precip.
31%
Night
79°F
E 19 mph
Precip.
52%
05.08
wed
Day
82°F
SE 19 mph
Precip.
26%
Night
79°F
E 17 mph
Precip.
53%
06.08
thu
Day
81°F
E 16 mph
Precip.
42%
Night
79°F
E 17 mph
Precip.
59%
07.08
fri
Day
82°F
E 17 mph
Precip.
43%
Night
81°F
E 16 mph
Precip.
60%
08.08
sat
Day
81°F
E 17 mph
Precip.
47%
Night
79°F
E 17 mph
Precip.
58%
09.08
sun
Day
81°F
E 17 mph
Precip.
52%
Night
79°F
E 17 mph
Precip.
53%
10.08
mon
Day
82°F
E 19 mph
Precip.
50%
Night
79°F
E 19 mph
Precip.
55%
11.08
tue
Day
81°F
E 19 mph
Precip.
58%
Night
79°F
E 18 mph
Precip.
54%
12.08
wed
Day
81°F
E 19 mph
Precip.
69%
Night
79°F
E 18 mph
Precip.
56%
13.08
thu
Day
82°F
E 18 mph
Precip.
48%
Night
79°F
E 16 mph
Precip.
61%
14.08
fri
Day
81°F
E 16 mph
Precip.
64%
Night
81°F
E 13 mph
Precip.
41%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 81.2°F. The highest and lowest sea temperatures during the month were 82.8°F and 79.9°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 84.4 °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
14:33
Unawatuna
+77°F
SE 21 mph
Feels like: +82°F
Precip.: 57%
Places in Sri Lanka:
Name
°F
Ahungalla
+79°F
Bentota
+79°F
Wadduwa
+79°F
Weligama
+79°F
Halle
+77°F
Dikwella
+81°F
Colombo
+79°F
Marissa
+81°F
Negombo
+79°F
Pasikuda
+90°F
Tangalle
+81°F
Trincomalee
+86°F
Unawatuna
+77°F
Hambantota
+84°F
Hikkaduwa
+77°F
all places
24 Hours Forecast
Unawatuna
Local time: 14:33
August 01, saturday
1500
77°F
SE
21 mph
1800
79°F
E
18 mph
2100
79°F
E
19 mph
August 02, sunday
0000
77°F
E
22 mph
0300
77°F
E
23 mph
0600
79°F
SE
22 mph
0900
81°F
SE
17 mph
1200
81°F
SE
17 mph
Units of measurement: °C / °F