Where is the sea coldest in Sri Lanka in July?

Hiriketiya Beach in Sri Lanka has the coldest sea in Sri Lanka in July, averaging about 20.0 °C. Mirissa Beach (20.0 °C) and Unawatuna Beach are the next coolest.

How many beaches in Sri Lanka are warm enough to swim in July?

6 of the top 12 ranked beaches in Sri Lanka average 22 °C or more in July, which most swimmers find comfortable without a wetsuit.

How are these July sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical July rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Sri Lanka in July

Where the sea is coolest across Sri Lanka during July, ranked by long-term monthly average water temperature. Hiriketiya Beach (Southern, Sri Lanka) is the coolest at around 20°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Hiriketiya Beach
Southern · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
2
Mirissa Beach
Southern · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
3
Unawatuna Beach
Southern · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
4
Bentota Beach
Galle · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
5
Arugam Bay
Eastern · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
6
Nilaveli Beach
Eastern · Sri Lanka · Indian Ocean
Mild — fine for a swim, cool at first
20°C
July average
7
Hikkaduwa Beach
Southern · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average
8
Pasikuda Beach
Eastern · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average
9
Tangalle Beach
Southern · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average
10
Weligama Beach
Southern · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average
11
Negombo Beach
Western · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average
12
Mount Lavinia Beach
Western · Sri Lanka · Indian Ocean
Warm — comfortable swimming
28°C
July average

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Sri Lanka in July — frequently asked questions

Where is the sea coldest in Sri Lanka in July?: Hiriketiya Beach in Sri Lanka has the coldest sea in Sri Lanka in July, averaging about 20.0 °C. Mirissa Beach (20.0 °C) and Unawatuna Beach are the next coolest.
How many beaches in Sri Lanka are warm enough to swim in July?: 6 of the top 12 ranked beaches in Sri Lanka average 22 °C or more in July, which most swimmers find comfortable without a wetsuit.
How are these July sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical July rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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