Climate guide for Rarotonga, Cook Islands

Best Time to Visit
Rarotonga

How to read the score (0–10)
05810
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About Rarotonga

Rarotonga is a world-renowned destination in Cook Islands, celebrated for its breathtaking scenery, rich culture, and exceptional travel experiences. Volcanic Cook Island encircled by a reef lagoon and lush mountain peaks.

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Travel Tips

Best time to visit Rarotonga
Check seasonal weather trends and book accommodations in advance for Rarotonga.

Things to do in Rarotonga

Rarotonga, Cook Islands. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Rarotonga, Cook Islands?
The best months to visit Rarotonga are April, May, September, October. April is the single peak month with a climate score of 9.3/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Rarotonga year-round?
Rarotonga has a beach and coastal climate profile. Average monthly temperatures range from 18°C in July to 38°C in January, with climate scores between 7.5 and 9.3 out of 10.
Which months should I avoid in Rarotonga?
The lowest-scoring months in Rarotonga are January (7.5/10), February (7.5/10), March (7.5/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Rarotonga?
June is the wettest month in Rarotonga, averaging about 80 mm of rainfall. January is the driest, at roughly 75 mm.
Which is the sunniest month in Rarotonga?
January sees the most sun in Rarotonga, with about 21 sunny days on average - ideal for outdoor plans.
Is Rarotonga good for beach and coastal travel?
Rarotonga is profiled as a beach and coastal destination in Cook Islands, Cook Islands. Its highest-scoring window (April, May, September, October) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Rarotonga calculated?
Each month is rated 0-10 using ERA5 climate normals for Rarotonga: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a beach and coastal trip.

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