Swimming in Cook islands in august 2025 Sea temperature by city in august
Do you want to go to the beach in Cook islands 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 Cook islands by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Cook islands in august 2025
Here, find the average sea temperature in Cook islands in august in several coastal cities.
76°F
min: 74°F / max: 79°F
77°F
min: 74°F / max: 79°F
Where should you go swimming in Cook islands in the month of august?
Swimming in Cook islands in august is pleasant
In august in Cook islands swimming conditions are generally the same everywhere.
As for Avarua and Rarotonga island, swimming is pleasant in august. The sea water is 76°F on average (min: 74°F/max: 79°F) so you can easily spend time in the water.
Where to go swimming in Cook islands in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Avarua
| August | |||
| Average sea temperature | 76°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Avarua in august
Rarotonga island
| August | |||
| Average sea temperature | 77°F | ||
| Minimum sea temperature | 74°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Rarotonga island in august
List of coastal cities in Cook islands
| Avarua in august | pleasant swimming |
| Rarotonga island in august | pleasant swimming |