Seasonal ranking

Coldest sea temperature in Sri Lanka in April

Where the sea is coolest across Sri Lanka during April, ranked by long-term monthly average water temperature. Hiriketiya Beach (Southern, Sri Lanka) is the coolest at around 23°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Hiriketiya Beach
    Southern · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  2. 2
    Mirissa Beach
    Southern · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  3. 3
    Unawatuna Beach
    Southern · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  4. 4
    Bentota Beach
    Galle · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  5. 5
    Arugam Bay
    Eastern · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  6. 6
    Nilaveli Beach
    Eastern · Sri Lanka · Indian Ocean
    Pleasant — swimmable without a wetsuit
    23°C
    April average
  7. 7
    Hikkaduwa Beach
    Southern · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average
  8. 8
    Pasikuda Beach
    Eastern · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average
  9. 9
    Tangalle Beach
    Southern · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average
  10. 10
    Weligama Beach
    Southern · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average
  11. 11
    Negombo Beach
    Western · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average
  12. 12
    Mount Lavinia Beach
    Western · Sri Lanka · Indian Ocean
    Warm — comfortable swimming
    29°C
    April average

Coldest sea in April elsewhere

Sri Lanka in April — frequently asked questions

Where is the sea coldest in Sri Lanka in April?
Hiriketiya Beach in Sri Lanka has the coldest sea in Sri Lanka in April, averaging about 23.0 °C. Mirissa Beach (23.0 °C) and Unawatuna Beach are the next coolest.
How many beaches in Sri Lanka are warm enough to swim in April?
12 of the top 12 ranked beaches in Sri Lanka average 22 °C or more in April, which most swimmers find comfortable without a wetsuit.
How are these April sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical April rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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