World Resorts Sri Lanka Colombo Weather

Colombo Sea Temperature in August

Average sea water temperature in August:
+81.9°F
Minimum sea water temperature in August: 85.5°F
Maximum sea water temperature in August: 79.0°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 83.7°F and 80.8°F.

Monthly sea water temperature in Colombo, °F

Which Sri Lanka resorts have warmest sea in August?

Place name August 2025 August 2024
Batticaloa 84.5°F 85.3°F
Pasikuda 84.4°F 85.2°F
Jafna 84.4°F 85.2°F
Trincomalee 83.9°F 84.2°F
Habarana 83.4°F 83.7°F
Bentota 83.1°F 83.1°F
Induruwa 83.1°F 83.0°F
Ahungalla 83.0°F 82.9°F
Beruwela 82.9°F 83.4°F
Balapitiya 82.8°F 83.1°F
Kalutara 82.7°F 83.6°F
Negombo 82.4°F 83.5°F
Marawila 82.4°F 83.3°F
Wadduwa 82.4°F 83.8°F
Panadura 82.2°F 83.8°F
Colombo 82.2°F 83.6°F
Dehiwala Mount Lavinia 82.1°F 83.7°F
Hikkaduwa 81.7°F 83.6°F
Unawatuna 81.2°F 83.3°F
Halle 81.2°F 83.3°F

Best time for vacation in Colombo

Sunniest months:
January 16 days
February 16 days
March 15 days
Warmest months:
April 89.9 °F
March 89.8 °F
February 88.8 °F
Warmest sea temp:
April 86.3 °F
May 85.3 °F
March 84.8 °F
Coldest months:
August 84.7 °F
September 84.8 °F
July 84.9 °F
Rainiest months:
July 19 days
June 19 days
May 18 days
Windiest months:
June 11.0 mph
July 10.7 mph
August 10.6 mph

Colombo on a weather map

Colombo
+77°F
SW 5 mph
Feels like: +81°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
+75°F
+77°F
+77°F
+77°F
+75°F
+77°F
+77°F
+75°F
+75°F
+77°F
+75°F
+79°F
+75°F
+79°F
+75°F
24 Hours Forecast
Colombo
Local time: 01:55
December 17, wednesday
0300
77°F
SW
5 mph
0600
77°F
S
6 mph
0900
81°F
S
6 mph
1200
84°F
SE
7 mph
1500
82°F
S
7 mph
1800
81°F
SW
6 mph
2100
77°F
SW
6 mph
December 18, thursday
0000
77°F
SW
8 mph
Units of measurement: °C / °F