Measurements:
°C
°F
Negombo
84°F
SW 4 mph
Feels like: 92°F
Precip: 29%
World Resorts Sri Lanka Negombo Weather

Negombo Sea Water Temperature

Current Sea Water Temperature:
+89.0°F
Maximum Sea Water Temperature in November: 89.8°F
Minimum Sea Water Temperature in November: 86.2°F
Average water temperature in November: 87.9°F

Sea Water Temperature for the Last 10 Days:

November 10 89.0°F November 05 89.2°F
November 09 89.2°F November 04 89.0°F
November 08 89.6°F November 03 89.0°F
November 07 88.8°F November 02 89.2°F
November 06 89.8°F November 01 89.0°F

When is the Warmest Sea for Negombo?

According to our data for the last three years for Negombo the highest average sea water temperature was in April, May and March.

Average Water Temperature by Month, °F

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Negombo was 91.4°F. The maximum and minimum values were 90.4°F and 92.4°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Negombo was 90.1°F. The maximum and minimum values were 88.0°F and 92.0°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Negombo was 89.2°F. The maximum and minimum values were 86.6°F and 91.6°F respectively.

Best Time to Visit Negombo
The most sunny months:
January 18 days
February 18 days
March 16 days
The most warm months:
April 94.0 °F
March 93.9 °F
February 92.8 °F
Warmest sea temperature:
April 90.5 °F
May 89.4 °F
March 88.8 °F
The most cold months:
August 88.6 °F
September 88.6 °F
July 88.9 °F
The most rainy months:
June 15 days
October 14 days
May 14 days
The most windy months:
June 13 mph
July 12 mph
August 12 mph

Negombo on the Weather Map

Sri Lanka Resorts:
NAME
F°
Ahungalla +84
Bentota +84
Beruwela +84
Colombo +84
Hambantota +86
Hikkaduwa +86
Kalutara +84
Marawila +84
Marissa +84
Negombo +84
Pasikuda +86
Tangalle +84
Trincomalee +84
Unawatuna +86
Weligama +84
24 Hours Weather Forecast
Negombo
Local time: 09:07
11 nov, wednesday
1200 88°F
SE
4 mph
1500 86°F
SE
5 mph
1800 82°F
S
6 mph
2100 78°F
SW
3 mph
12 nov, thursday
0000 78°F
W
3 mph
0300 78°F
S
3 mph
0600 80°F
S
6 mph
0900 84°F
SW
7 mph