Seasonal ranking
Warmest sea temperature in Sri Lanka in December
Where the sea is warmest across Sri Lanka during December, ranked by long-term monthly average water temperature. Hikkaduwa Beach (Southern, Sri Lanka) tops the list at around 28°C. Open any spot for today's live water temperature and a 7-day swim forecast.
- 1Hikkaduwa BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 2Pasikuda BeachEastern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 3Uppuveli BeachEastern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 4Tangalle BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 5Weligama BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 6Negombo BeachWestern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 7Mount Lavinia BeachWestern · Sri Lanka · Indian OceanWarm — comfortable swimming28°CDecember average
- 8Hiriketiya BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming24°CDecember average
- 9Mirissa BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming24°CDecember average
- 10Unawatuna BeachSouthern · Sri Lanka · Indian OceanWarm — comfortable swimming24°CDecember average
- 11Bentota BeachGalle · Sri Lanka · Indian OceanWarm — comfortable swimming24°CDecember average
- 12Arugam BayEastern · Sri Lanka · Indian OceanWarm — comfortable swimming24°CDecember average
Warmest sea in December elsewhere
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Sri Lanka in December — frequently asked questions
- Where is the sea warmest in Sri Lanka in December?
- Hikkaduwa Beach in Sri Lanka has the warmest sea in Sri Lanka in December, averaging about 28.0 °C. Pasikuda Beach (28.0 °C) and Uppuveli Beach follow close behind.
- How many beaches in Sri Lanka are warm enough to swim in December?
- 12 of the top 12 ranked beaches in Sri Lanka average 22 °C or more in December, which most swimmers find comfortable without a wetsuit.
- How are these December sea temperatures calculated?
- Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical December rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.
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