Swimming in Costa Rica in august 2025 Sea temperature by city in august

Do you want to go to the beach in Costa Rica in august 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 august in Costa Rica by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Costa Rica in august 2025

Here, find the average sea temperature in Costa Rica in august in several coastal cities.

Provincia Guanacaste in august

on average:

85°F

min: 83°F / max: 86°F

on average:

85°F

min: 83°F / max: 86°F

Parque Nacional Santa Rosa

on average:

85°F

min: 84°F / max: 86°F

Playa Arenillas

on average:

85°F

min: 84°F / max: 86°F

Playa Caletas

on average:

85°F

min: 83°F / max: 86°F

Playa Flamingo (Guanacaste)

on average:

85°F

min: 83°F / max: 86°F

Pacific coast in august

on average:

85°F

min: 84°F / max: 86°F

on average:

84°F

min: 83°F / max: 86°F

on average:

84°F

min: 83°F / max: 85°F

Dominical

on average:

84°F

min: 83°F / max: 86°F

Esterillos

on average:

85°F

min: 84°F / max: 86°F

Isla de Chira

on average:

85°F

min: 83°F / max: 86°F

Caribbean coast in august

on average:

84°F

min: 82°F / max: 87°F

on average:

85°F

min: 83°F / max: 86°F

on average:

84°F

min: 82°F / max: 86°F

Bananito Sur

on average:

85°F

min: 82°F / max: 86°F

Parismina

on average:

85°F

min: 82°F / max: 86°F

Parque Nacional Cahuita

on average:

85°F

min: 83°F / max: 87°F

Where should you go swimming in Costa Rica in the month of august?

Swimming in Costa Rica in august is ideal

In august in Costa Rica swimming conditions are generally the same everywhere.

In august in La Cruz, Montezuma, Puerto Limón, Puntarenas, Tamarindo, Tortuguero, Manzanillo, Puerto Jiménez, Bananito Sur, Dominical, Esterillos, Isla de Chira, Isla del caño, Jicaral, Matapalo, Ojochal, Paquera, Parismina, Parque Nacional Cahuita, Parque Nacional Corcovado, Parque Nacional Santa Rosa, Pavones, Playa Arenillas, Playa Caletas, Playa Flamingo (Guanacaste), Playa Hermosa, Playa Santa Teresa, Puerto Viejo de Talamanca, Punta Morales, Punta Uva, Quepos, Uvita, Jaco, Miramar, Parrita and Sámara, swimming conditions are perfect! With water reaching a maximum of 86°F and an average of 85°F, going in the water (and staying there!) feels great.

Where to go swimming in Costa Rica in august: the map of sea temperatures

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Water temperature and seasonal norms in august

La Cruz

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 86°F
Average outside temperature 83°F
Maximum outside temperature 88°F
Minimum outside temperature 79°F
Precipitation 9.9in
Number of days of precipitation 16 jour(s)
(51%)
Cloud cover 44%
Our opinion ideal swimming

More information on swimming in La Cruz in august

Montezuma

August
Average sea temperature 85°F
Minimum sea temperature 84°F
Maximum sea temperature 86°F
Average outside temperature 81°F
Maximum outside temperature 86°F
Minimum outside temperature 77°F
Precipitation 20.2in
Number of days of precipitation 25 jour(s)
(79%)
Cloud cover 42%
Our opinion ideal swimming

More information on swimming in Montezuma in august

Puerto Limón

August
Average sea temperature 84°F
Minimum sea temperature 82°F
Maximum sea temperature 87°F
Average outside temperature 83°F
Maximum outside temperature 86°F
Minimum outside temperature 77°F
Precipitation 13.7in
Number of days of precipitation 15 jour(s)
(50%)
Cloud cover 38%
Our opinion ideal swimming

More information on swimming in Puerto Limón in august

Puntarenas

August
Average sea temperature 84°F
Minimum sea temperature 83°F
Maximum sea temperature 86°F
Average outside temperature 83°F
Maximum outside temperature 88°F
Minimum outside temperature 77°F
Precipitation 19.2in
Number of days of precipitation 21 jour(s)
(69%)
Cloud cover 42%
Our opinion ideal swimming

More information on swimming in Puntarenas in august

Tamarindo

August
Average sea temperature 85°F
Minimum sea temperature 83°F
Maximum sea temperature 86°F
Average outside temperature 83°F
Maximum outside temperature 86°F
Minimum outside temperature 77°F
Precipitation 8.5in
Number of days of precipitation 13 jour(s)
(42%)
Cloud cover 37%
Our opinion ideal swimming

More information on swimming in Tamarindo in august

List of coastal cities in Costa Rica

La Cruz in augustideal swimming
Montezuma in augustideal swimming
Puerto Limón in augustideal swimming
Puntarenas in augustideal swimming
Tamarindo in augustideal swimming
Tortuguero in augustideal swimming
Manzanillo in augustideal swimming
Puerto Jiménez in augustideal swimming
Bananito Sur in augustideal swimming
Dominical in augustideal swimming
Esterillos in augustideal swimming
Isla de Chira in augustideal swimming
Isla del caño in augustideal swimming
Jicaral in augustideal swimming
Matapalo in augustideal swimming
Ojochal in augustideal swimming
Paquera in augustideal swimming
Parismina in augustideal swimming
Parque Nacional Cahuita in augustideal swimming
Parque Nacional Corcovado in augustideal swimming
Parque Nacional Santa Rosa in augustideal swimming
Pavones in augustideal swimming
Playa Arenillas in augustideal swimming
Playa Caletas in augustideal swimming
Playa Flamingo (Guanacaste) in augustideal swimming
Playa Hermosa in augustideal swimming
Playa Santa Teresa in augustideal swimming
Puerto Viejo de Talamanca in augustideal swimming
Punta Morales in augustideal swimming
Punta Uva in augustideal swimming
Quepos in augustideal swimming
Uvita in augustideal swimming
Jaco in augustideal swimming
Miramar in augustideal swimming
Parrita in augustideal swimming
Sámara in augustideal swimming
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