Cook Islands weather
Our guide to the weather in Cook Islands during August
We've looked at the most up-to-date weather data for Cook Islands, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Cook Islands weather in August.
How warm is it in Cook Islands during August?
August is typically the coolest month in Cook Islands. Remember that in August it's winter in the souther hemisphere! The temperature reaches around 23℃ during the daytime, falling away to 22℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Cook Islands during August?
On average, there will be 4 rainy days during the month, amounting to 106.4mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Cook Islands during August?
Expect moderate breeze becoming stronger at times during August, with occasional gusts up to 20mph. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.
Weather in Cook Islands
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