Temperature in The Cook Islands in August

Daytime highs, nighttime lows and the warmest cities across the Cook Islands this August.

The Cook Islands, experiences high average maximum daytime temperatures in August, ranging from 25°C (77°F) in Rarotonga to 29°C (84°F) in Penrhyn. Nighttime temperatures generally drop to 26°C (79°F) in Penrhyn and 22°C (72°F) in Rarotonga. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in the Cook Islands in August?

Find the average daytime temperatures in August for the most popular destinations in the Cook Islands on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the Cook Islands, check out our the Cook Islands's climate page.

See also: the the Cook Islands weather by month.

Best Places to Visit in the Cook Islands in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Cook Islands.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

The Cook Islands temperatures in August: frequently asked questions

How hot does it get in the Cook Islands in August?

Daytime temperatures in Rarotonga typically peak at 25°C (77°F) in August, putting it in the high range.

How cold does it get at night in the Cook Islands in August?

Average overnight lows in the Cook Islands during August sit near 22°C (72°F) in Rarotonga.

What is the warmest city in August in the Cook Islands?

Penrhyn tops the warmest city list in our database with average maximum daytime temperatures around 29°C (84°F) and a minimum nighttime temperature of around 26°C (79°F).

What is the coldest city in August in the Cook Islands?

For the month of August, Rarotonga is the most temperate city in the Cook Islands based on our records. Highs average 25°C (77°F) and nighttime temperatures dip to around 22°C (72°F).

How much sun does the Cook Islands get in August?

Rarotonga usually sees around 191 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in the Cook Islands.

Weather and climate has detailed information for every country in the world. Are you going to the Cook Islands? Get detailed historical weather averages for many cities in the Cook Islands.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.