World Resorts Sri Lanka Negombo Weather

Negombo sea water temperature

Current sea water temperature:
+80.8°F
Minimum sea water temperature in January: 84.9°F
Maximum sea water temperature in January: 80.4°F
Average sea water temperature in January: 82.2°F

Sea water temperature for the last 10 days:

January 20 80.8°F January 15 81.5°F
January 19 80.4°F January 14 81.3°F
January 18 81.0°F January 13 81.5°F
January 17 81.3°F January 12 81.5°F
January 16 81.5°F January 11 81.5°F

When is the warmest sea in Negombo?

Based on the data about daily sea water temperature for the last three years the warmest sea in Negombo was noticed in April, May and March.

Monthly Sea Temperatures in Negombo, °F

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 87.3°F and 86.0°F.

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.6°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 87.3°F and 84.4°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
+70°F
SW 11 mph
Feels like: +70°F
Precip.: 0%
Places in Sri Lanka:
Name
°F
+73°F
+72°F
+72°F
+72°F
+72°F
+70°F
+70°F
+72°F
+70°F
+73°F
+72°F
+75°F
+73°F
+72°F
+73°F
24 Hours Forecast
Negombo
Local time: 06:28
January 21, wednesday
0900
77°F
SW
12 mph
1200
82°F
S
15 mph
1500
81°F
S
19 mph
1800
77°F
S
20 mph
2100
75°F
SW
19 mph
January 22, thursday
0000
73°F
SW
16 mph
0300
72°F
SW
14 mph
0600
70°F
SW
12 mph
Units of measurement: °C / °F