Measurements:
°C
°F
Colombo
84°F
NE 11 mph
Feels like: 92°F
Precip: 100%
World Resorts Sri Lanka Colombo Weather

Colombo Sea Water Temperature

Current Sea Water Temperature:
+89.0°F
Maximum Sea Water Temperature in May: 93.2°F
Minimum Sea Water Temperature in May: 85.8°F
Average water temperature in May: 89.3°F

Sea Water Temperature for the Last 10 Days:

May 31 89.0°F May 26 88.8°F
May 30 88.0°F May 25 88.6°F
May 29 88.4°F May 24 88.6°F
May 28 88.6°F May 23 88.8°F
May 27 89.8°F May 22 89.6°F

When is the Warmest Sea for Colombo?

According to our data for the last three years for Colombo 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 Colombo was 91.2°F. The maximum and minimum values were 90.0°F and 93.4°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Colombo was 90.1°F. The maximum and minimum values were 88.0°F and 91.6°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Colombo was 88.7°F. The maximum and minimum values were 86.6°F and 91.0°F respectively.

Best Time to Visit Colombo
The most sunny months:
January 16 days
February 16 days
March 15 days
The most warm months:
April 94.1 °F
March 93.8 °F
February 92.7 °F
Warmest sea temperature:
April 90.4 °F
May 89.3 °F
March 88.7 °F
The most cold months:
August 88.6 °F
September 88.7 °F
July 88.7 °F
The most rainy months:
July 19 days
June 19 days
May 18 days
The most windy months:
June 11 mph
July 11 mph
August 11 mph

Colombo on the Weather Map

Sri Lanka Resorts:
NAME
Ahungalla +84
Bentota +84
Beruwela +84
Colombo +84
Halle +84
Hambantota +84
Hikkaduwa +84
Marawila +84
Marissa +84
Negombo +84
Pasikuda +88
Tangalle +84
Trincomalee +90
Unawatuna +84
Weligama +84
24 Hours Weather Forecast
Colombo
Local time: 18:54
31 may, sunday
2100 84°F
NE
11 mph
01 jun, monday
0000 84°F
NE
12 mph
0300 84°F
NE
12 mph
0600 84°F
NE
10 mph
0900 86°F
NE
12 mph
1200 88°F
NE
14 mph
1500 88°F
NE
15 mph
1800 84°F
NE
14 mph