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
85°F
min: 83°F / max: 86°F
85°F
min: 83°F / max: 86°F
Parque Nacional Santa Rosa
85°F
min: 84°F / max: 86°F
Playa Arenillas
85°F
min: 84°F / max: 86°F
Playa Caletas
85°F
min: 83°F / max: 86°F
Playa Flamingo (Guanacaste)
85°F
min: 83°F / max: 86°F
Pacific coast in august
85°F
min: 84°F / max: 86°F
84°F
min: 83°F / max: 86°F
84°F
min: 83°F / max: 85°F
Dominical
84°F
min: 83°F / max: 86°F
Esterillos
85°F
min: 84°F / max: 86°F
Isla de Chira
85°F
min: 83°F / max: 86°F
Caribbean coast in august
84°F
min: 82°F / max: 87°F
85°F
min: 83°F / max: 86°F
84°F
min: 82°F / max: 86°F
Bananito Sur
85°F
min: 82°F / max: 86°F
Parismina
85°F
min: 82°F / max: 86°F
Parque Nacional Cahuita
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 swimmingWater 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 august | ideal swimming |
| Montezuma in august | ideal swimming |
| Puerto Limón in august | ideal swimming |
| Puntarenas in august | ideal swimming |
| Tamarindo in august | ideal swimming |
| Tortuguero in august | ideal swimming |
| Manzanillo in august | ideal swimming |
| Puerto Jiménez in august | ideal swimming |
| Bananito Sur in august | ideal swimming |
| Dominical in august | ideal swimming |
| Esterillos in august | ideal swimming |
| Isla de Chira in august | ideal swimming |
| Isla del caño in august | ideal swimming |
| Jicaral in august | ideal swimming |
| Matapalo in august | ideal swimming |
| Ojochal in august | ideal swimming |
| Paquera in august | ideal swimming |
| Parismina in august | ideal swimming |
| Parque Nacional Cahuita in august | ideal swimming |
| Parque Nacional Corcovado in august | ideal swimming |
| Parque Nacional Santa Rosa in august | ideal swimming |
| Pavones in august | ideal swimming |
| Playa Arenillas in august | ideal swimming |
| Playa Caletas in august | ideal swimming |
| Playa Flamingo (Guanacaste) in august | ideal swimming |
| Playa Hermosa in august | ideal swimming |
| Playa Santa Teresa in august | ideal swimming |
| Puerto Viejo de Talamanca in august | ideal swimming |
| Punta Morales in august | ideal swimming |
| Punta Uva in august | ideal swimming |
| Quepos in august | ideal swimming |
| Uvita in august | ideal swimming |
| Jaco in august | ideal swimming |
| Miramar in august | ideal swimming |
| Parrita in august | ideal swimming |
| Sámara in august | ideal swimming |