Swimming in Sri Lanka in july 2025 Sea temperature by city in july

Do you want to go to the beach in Sri Lanka in july 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in july in Sri Lanka by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Sri Lanka in july 2025

Here, find the average sea temperature in Sri Lanka in july in several coastal cities.

West Coast in july

on average:

82°F

min: 79°F / max: 84°F

on average:

81°F

min: 79°F / max: 83°F

on average:

82°F

min: 79°F / max: 83°F

Dehiwala-Mount Lavinia

on average:

82°F

min: 79°F / max: 84°F

Panadura

on average:

81°F

min: 79°F / max: 83°F

Southern Coast in july

on average:

82°F

min: 80°F / max: 84°F

on average:

82°F

min: 81°F / max: 84°F

on average:

82°F

min: 80°F / max: 84°F

Ambalangoda

on average:

82°F

min: 80°F / max: 84°F

on average:

81°F

min: 80°F / max: 84°F

Hambantota

on average:

83°F

min: 80°F / max: 84°F

North in july

on average:

85°F

min: 83°F / max: 87°F

on average:

86°F

min: 83°F / max: 88°F

Mannar Island

on average:

83°F

min: 82°F / max: 86°F

Kayts

on average:

85°F

min: 83°F / max: 88°F

Point Pedro

on average:

85°F

min: 83°F / max: 87°F

Poonakari

on average:

85°F

min: 83°F / max: 87°F

East Coast in july

on average:

86°F

min: 83°F / max: 88°F

on average:

84°F

min: 83°F / max: 86°F

on average:

84°F

min: 82°F / max: 86°F

Akkaraipattu

on average:

85°F

min: 83°F / max: 86°F

Arisimale Beach

on average:

85°F

min: 83°F / max: 88°F

Arugam Bay

on average:

84°F

min: 82°F / max: 86°F

North West in july

on average:

81°F

min: 80°F / max: 84°F

on average:

81°F

min: 79°F / max: 84°F

Kalpitiya

on average:

81°F

min: 80°F / max: 84°F

Where should you go swimming in Sri Lanka in the month of july?

Swimming in Sri Lanka in july is ideal

In july in Sri Lanka swimming conditions are generally the same everywhere.

In july in Colombo, Galle, Jaffna, Trincomalee, Batticaloa, Chilaw, Kalutara, Mullaitivu, Negombo, Yala National Park, Pottuvil, Puttalam, Tangalle, Akkaraipattu, Ambalangoda, Arisimale Beach, Arugam Bay, Bentota, Hambantota, Hikkaduwa, Mannar Island, Kalkudah, Kallady Beach, Kallara beach (Thiriyai), Kalmunai, Kayts, Matara, Mirissa, Navalady, Okanda, Point Pedro, Poonakari, Thalayadi, Unakuruwa Beach, Uppuveli, Vakarai, Dehiwala-Mount Lavinia, Kalpitiya, Panadura and Weligama, swimming conditions are perfect! With water reaching a maximum of 84°F and an average of 82°F, going in the water (and staying there!) feels great.

Where to go swimming in Sri Lanka in july: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in july

Colombo

July
Average sea temperature 82°F
Minimum sea temperature 79°F
Maximum sea temperature 84°F
Average outside temperature 85°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 22.9in
Number of days of precipitation 24 jour(s)
(78%)
Cloud cover 53%
Our opinion ideal swimming

More information on swimming in Colombo in july

Galle

July
Average sea temperature 82°F
Minimum sea temperature 80°F
Maximum sea temperature 84°F
Average outside temperature 83°F
Maximum outside temperature 85°F
Minimum outside temperature 83°F
Precipitation 17in
Number of days of precipitation 20 jour(s)
(66%)
Cloud cover 47%
Our opinion ideal swimming

More information on swimming in Galle in july

Jaffna

July
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 87°F
Average outside temperature 85°F
Maximum outside temperature 86°F
Minimum outside temperature 85°F
Precipitation 2.5in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 30%
Our opinion ideal swimming

More information on swimming in Jaffna in july

Trincomalee

July
Average sea temperature 86°F
Minimum sea temperature 83°F
Maximum sea temperature 88°F
Average outside temperature 88°F
Maximum outside temperature 94°F
Minimum outside temperature 83°F
Precipitation 2.3in
Number of days of precipitation 4 jour(s)
(12%)
Cloud cover 30%
Our opinion ideal swimming

More information on swimming in Trincomalee in july

Batticaloa

July
Average sea temperature 84°F
Minimum sea temperature 83°F
Maximum sea temperature 86°F
Average outside temperature 88°F
Maximum outside temperature 92°F
Minimum outside temperature 85°F
Precipitation 3.5in
Number of days of precipitation 6 jour(s)
(21%)
Cloud cover 25%
Our opinion ideal swimming

More information on swimming in Batticaloa in july

List of coastal cities in Sri Lanka

Colombo in julyideal swimming
Galle in julyideal swimming
Jaffna in julyideal swimming
Trincomalee in julyideal swimming
Batticaloa in julyideal swimming
Chilaw in julyideal swimming
Kalutara in julyideal swimming
Mullaitivu in julyideal swimming
Negombo in julyideal swimming
Yala National Park in julyideal swimming
Pottuvil in julyideal swimming
Puttalam in julyideal swimming
Tangalle in julyideal swimming
Akkaraipattu in julyideal swimming
Ambalangoda in julyideal swimming
Arisimale Beach in julyideal swimming
Arugam Bay in julyideal swimming
Bentota in julyideal swimming
Hambantota in julyideal swimming
Hikkaduwa in julyideal swimming
Mannar Island in julyideal swimming
Kalkudah in julyideal swimming
Kallady Beach in julyideal swimming
Kallara beach (Thiriyai) in julyideal swimming
Kalmunai in julyideal swimming
Kayts in julyideal swimming
Matara in julyideal swimming
Mirissa in julyideal swimming
Navalady in julyideal swimming
Okanda in julyideal swimming
Point Pedro in julyideal swimming
Poonakari in julyideal swimming
Thalayadi in julyideal swimming
Unakuruwa Beach in julyideal swimming
Uppuveli in julyideal swimming
Vakarai in julyideal swimming
Dehiwala-Mount Lavinia in julyideal swimming
Kalpitiya in julyideal swimming
Panadura in julyideal swimming
Weligama in julyideal swimming
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