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

Do you want to go to the beach in Sri Lanka in october 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 october in Sri Lanka by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Sri Lanka in october 2025

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

Direct access: West Coast in october | Southern Coast in october | North in october | East Coast in october | North West in october

West Coast in october

Colombo

on average:

84°F

min: 81°F / max: 86°F

Kalutara

on average:

84°F

min: 82°F / max: 86°F

Negombo

on average:

84°F

min: 81°F / max: 86°F

Dehiwala-Mount Lavinia

on average:

84°F

min: 82°F / max: 86°F

Panadura

on average:

84°F

min: 81°F / max: 86°F

Southern Coast in october

Galle

on average:

84°F

min: 82°F / max: 86°F

Yala National Park

on average:

84°F

min: 83°F / max: 86°F

Tangalle

on average:

84°F

min: 82°F / max: 86°F

Ambalangoda

on average:

84°F

min: 82°F / max: 86°F

Bentota

on average:

84°F

min: 82°F / max: 87°F

Hambantota

on average:

84°F

min: 83°F / max: 86°F

North in october

Jaffna

on average:

85°F

min: 84°F / max: 87°F

Mullaitivu

on average:

85°F

min: 84°F / max: 87°F

Mannar Island

on average:

85°F

min: 82°F / max: 88°F

Kayts

on average:

85°F

min: 83°F / max: 87°F

Point Pedro

on average:

85°F

min: 83°F / max: 87°F

Poonakari

on average:

85°F

min: 84°F / max: 87°F

East Coast in october

Trincomalee

on average:

85°F

min: 84°F / max: 86°F

Batticaloa

on average:

85°F

min: 83°F / max: 86°F

Pottuvil

on average:

85°F

min: 84°F / max: 86°F

Akkaraipattu

on average:

85°F

min: 84°F / max: 86°F

Arisimale Beach

on average:

85°F

min: 84°F / max: 86°F

Arugam Bay

on average:

84°F

min: 84°F / max: 86°F

North West in october

Chilaw

on average:

84°F

min: 81°F / max: 86°F

Puttalam

on average:

84°F

min: 81°F / max: 86°F

Kalpitiya

on average:

84°F

min: 81°F / max: 86°F

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Sea temperature in september in Sri Lanka

Sea temperature in november in Sri Lanka

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

Swimming in Sri Lanka in october is ideal

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

In october 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 86°F and an average of 84°F, going in the water (and staying there!) feels great.

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

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in october

Colombo

	September	October	November
Average sea temperature	83°F	84°F	84°F
Minimum sea temperature	80°F	81°F	82°F
Maximum sea temperature	84°F	86°F	86°F
Average outside temperature	85°F	85°F	85°F
Maximum outside temperature	86°F	88°F	88°F
Minimum outside temperature	83°F	83°F	83°F
Precipitation	18.6in	17.4in	15.5in
Number of days of precipitation	20 jour(s) (67%)	20 jour(s) (63%)	18 jour(s) (59%)
Cloud cover	56%	49%	43%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Colombo in october

Galle

	September	October	November
Average sea temperature	83°F	84°F	84°F
Minimum sea temperature	81°F	82°F	82°F
Maximum sea temperature	85°F	86°F	86°F
Average outside temperature	83°F	83°F	83°F
Maximum outside temperature	85°F	86°F	86°F
Minimum outside temperature	81°F	81°F	81°F
Precipitation	19.4in	15.6in	14.3in
Number of days of precipitation	20 jour(s) (67%)	19 jour(s) (63%)	19 jour(s) (64%)
Cloud cover	51%	46%	44%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Galle in october

Jaffna

	September	October	November
Average sea temperature	85°F	85°F	83°F
Minimum sea temperature	83°F	84°F	81°F
Maximum sea temperature	86°F	87°F	86°F
Average outside temperature	85°F	85°F	83°F
Maximum outside temperature	85°F	86°F	85°F
Minimum outside temperature	83°F	83°F	83°F
Precipitation	6.3in	15in	18in
Number of days of precipitation	9 jour(s) (28%)	17 jour(s) (54%)	17 jour(s) (56%)
Cloud cover	32%	33%	44%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Jaffna in october

Trincomalee

	September	October	November
Average sea temperature	85°F	85°F	84°F
Minimum sea temperature	83°F	84°F	81°F
Maximum sea temperature	86°F	86°F	86°F
Average outside temperature	88°F	86°F	83°F
Maximum outside temperature	94°F	92°F	88°F
Minimum outside temperature	83°F	81°F	79°F
Precipitation	4.8in	12in	12.2in
Number of days of precipitation	6 jour(s) (21%)	15 jour(s) (50%)	16 jour(s) (54%)
Cloud cover	31%	34%	47%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Trincomalee in october

Batticaloa

	September	October	November
Average sea temperature	84°F	85°F	85°F
Minimum sea temperature	83°F	83°F	82°F
Maximum sea temperature	85°F	86°F	86°F
Average outside temperature	88°F	86°F	83°F
Maximum outside temperature	92°F	88°F	86°F
Minimum outside temperature	85°F	83°F	81°F
Precipitation	6.9in	12.9in	18.3in
Number of days of precipitation	11 jour(s) (38%)	17 jour(s) (56%)	19 jour(s) (62%)
Cloud cover	28%	31%	43%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Batticaloa in october

List of coastal cities in Sri Lanka

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