Weather in Rarotonga in January
Rarotonga, Cook Islands averages a high of 26.4°C (79.5°F) and low of 25°C (77°F) in January, with 18 rain days and 10.6 hours of daily sunshine. Travel score: 66.7/100 (Good). The best time to visit Rarotonga is August.
High
26°C80°F
Low
25°C77°F
🌧️
18
rain days
☀️
10.6
hrs/day sunshine
💧
82%
humidity
67— Good
January in Rarotonga is warm and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Rarotonga?
How much does it rain in Rarotonga in January?
Rarotonga receives an average of 211.4mm of rainfall across 18 rainy days in January. The annual total is 1560.7mm.
What should I pack for Rarotonga in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧥
Waterproof jacket
Frequent rain expected (18 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Cook Islands in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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What is the weather like in other months in Rarotonga?
Data based on 1994–2024 averages · Last updated: 2024-12-31