World Resorts Sri Lanka Negombo Weather

Negombo 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 82.4°F. The highest and lowest sea temperatures during the month were 84.2°F and 81.1°F.

Monthly sea water temperature in Negombo, °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
Hambantota 81.2°F 82.2°F
Unawatuna 81.2°F 83.3°F

Best time for vacation in Negombo

Sunniest months:
February 19 days
January 18 days
March 16 days
Warmest months:
April 89.9 °F
March 89.9 °F
February 88.9 °F
Warmest sea temp:
April 86.4 °F
May 85.4 °F
March 84.9 °F
Coldest months:
August 85.0 °F
September 85.0 °F
July 85.1 °F
Rainiest months:
June 15 days
October 14 days
July 14 days
Windiest months:
June 13.1 mph
July 12.6 mph
August 12.3 mph

Negombo on a weather map

Negombo
+82°F
E 7 mph
Feels like: +88°F
Precip.: 86%
Places in Sri Lanka:
Name
°F
+86°F
+82°F
+82°F
+86°F
+86°F
+82°F
+82°F
+86°F
+82°F
+81°F
+86°F
+81°F
+86°F
+82°F
+86°F
24 Hours Forecast
Negombo
Local time: 11:36
December 05, friday
1200
82°F
E
7 mph
1500
81°F
E
11 mph
1800
81°F
S
9 mph
2100
77°F
SW
11 mph
December 06, saturday
0000
77°F
SW
8 mph
0300
75°F
SW
9 mph
0600
75°F
SW
9 mph
0900
81°F
SW
7 mph
Units of measurement: °C / °F