Measurements:
°C
°F
Trincomalee
84°F
SW 11 mph
Feels like: 90°F
Precip: 100%
World Resorts Sri Lanka Trincomalee Weather

Trincomalee Sea Water Temperature

Current Sea Water Temperature:
+85.4°F
Maximum Sea Water Temperature in December: 87.8°F
Minimum Sea Water Temperature in December: 82.6°F
Average water temperature in December: 85.3°F

Sea Water Temperature for the Last 10 Days:

December 04 85.4°F November 29 86.4°F
December 03 85.2°F November 28 86.6°F
December 02 85.6°F November 27 86.6°F
December 01 85.8°F November 26 87.0°F
November 30 86.0°F November 25 87.2°F

When is the Warmest Sea for Trincomalee?

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

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Trincomalee was 90.3°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Trincomalee was 90.2°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Trincomalee was 88.0°F. The maximum and minimum values were 87.4°F and 89.4°F respectively.

Best Time to Visit Trincomalee
The most sunny months:
March 20 days
April 20 days
May 17 days
The most warm months:
June 97.1 °F
May 96.8 °F
July 96.4 °F
Warmest sea temperature:
May 90.3 °F
April 90.1 °F
June 88.8 °F
The most cold months:
January 86.0 °F
December 87.2 °F
February 87.9 °F
The most rainy months:
October 14 days
November 14 days
December 12 days
The most windy months:
June 16 mph
July 15 mph
August 14 mph

Trincomalee on the Weather Map

Sri Lanka Resorts:
NAME
Ahungalla +90
Bentota +86
Beruwela +86
Colombo +86
Halle +90
Hambantota +86
Hikkaduwa +90
Kalutara +86
Marissa +90
Negombo +86
Pasikuda +84
Tangalle +90
Trincomalee +84
Unawatuna +90
Weligama +90
24 Hours Weather Forecast
Trincomalee
Local time: 12:06
05 dec, friday
1500 86°F
SW
11 mph
1800 84°F
SW
12 mph
2100 84°F
SW
11 mph
06 dec, saturday
0000 84°F
SW
13 mph
0300 84°F
SW
12 mph
0600 84°F
SW
13 mph
0900 86°F
SW
10 mph
1200 86°F
SW
8 mph