Hikkaduwa Sea Temperature
Sri Lanka · Forecast updated Jul 15, 2026, 06:22 UTC · refresh delayed
Current Sea Temperature
28.7°C
83.7°F
Very warm water
Versus this month's average
Close to average
The July average in our archive is 28.8°C (83.9°F).
Recent trend
Holding fairly steady
Seven-day average: 28.9°C, versus 28.9°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Hikkaduwa, monthly averages range from about 28.7°C (83.7°F) in June to 28.8°C (83.9°F) in July.
Over the past 30 days, the average sea temperature in Hikkaduwa has been 28.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 28.4°C / 83.1°F | 28.7°C / 83.7°F | 29.1°C / 84.4°F |
| July | 28.4°C / 83.1°F | 28.8°C / 83.9°F | 29.3°C / 84.7°F |
Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Hikkaduwa
South-coast reef sanctuary with turtles in calm shallow water.
- Area
- Southern Province
Hikkaduwa Water Temperature — Common Questions
What is the sea temperature in Hikkaduwa today?
The current sea surface temperature in Hikkaduwa is 28.7°C. Over the last 30 days, the average has been 28.8°C.
When is the water warmest in Hikkaduwa?
The warmest monthly average in the Hikkaduwa archive is July, at around 28.8°C (83.9°F).
When is the water coldest in Hikkaduwa?
The coldest monthly average in the archive is June, at around 28.7°C (83.7°F).
Can you swim in Hikkaduwa today?
Yes — at 28.7°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Hikkaduwa.
View Snorkel Forecast →