Measurements:
°C
°F
Marissa
82°F
E 11 mph
Feels like: 90°F
Precip: 25%
World Resorts Sri Lanka Marissa Weather

Marissa Sea Water Temperature

Current Sea Water Temperature:
+82.8°F
Maximum Sea Water Temperature in July: 88.0°F
Minimum Sea Water Temperature in July: 82.4°F
Average water temperature in July: 85.2°F

Sea Water Temperature for the Last 10 Days:

July 10 82.8°F July 05 85.0°F
July 09 83.4°F July 04 85.0°F
July 08 83.0°F July 03 84.2°F
July 07 83.2°F July 02 85.0°F
July 06 84.6°F July 01 86.2°F

When is the Warmest Sea for Marissa?

According to our data for the last three years for Marissa 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 Marissa was 90.3°F. The maximum and minimum values were 88.2°F and 91.8°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Marissa was 88.4°F. The maximum and minimum values were 85.6°F and 91.4°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Marissa was 87.6°F. The maximum and minimum values were 85.8°F and 89.4°F respectively.

Best Time to Visit Marissa
The most sunny months:
March 15 days
February 13 days
January 12 days
The most warm months:
April 93.2 °F
March 92.4 °F
February 91.6 °F
Warmest sea temperature:
April 89.7 °F
May 88.2 °F
March 88.1 °F
The most cold months:
September 89.1 °F
August 89.3 °F
June 89.7 °F
The most rainy months:
September 10 days
November 10 days
May 10 days
The most windy months:
July 12 mph
June 12 mph
August 12 mph

Marissa on the Weather Map

Sri Lanka Resorts:
NAME
Ahungalla +84
Bentota +84
Colombo +82
Dikwella +82
Halle +84
Hambantota +82
Hikkaduwa +84
Marawila +82
Marissa +82
Negombo +82
Pasikuda +84
Tangalle +82
Trincomalee +84
Unawatuna +84
Weligama +84
24 Hours Weather Forecast
Marissa
Local time: 06:34
11 jul, saturday
0900 88°F
E
14 mph
1200 90°F
E
15 mph
1500 90°F
E
15 mph
1800 84°F
E
12 mph
2100 82°F
E
11 mph
12 jul, sunday
0000 82°F
E
11 mph
0300 82°F
E
11 mph
0600 82°F
E
12 mph