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Rarotonga, Cook Islands · Tropical

Rarotonga in October: go or not?

Excellent time. Rarotonga in October scores 8.1/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 21.24°S · 159.78°W
⚡ This month's verdict
Go for it
Rarotonga · October
8.1
21–22°
Temperature
22%
Rain
8h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Luke Marshall via Unsplash
The month in detail

What to expect in October

Spring marks the start of the good season in Rarotonga. Temperatures rise (22°C) and tourists have not yet arrived en masse. Rain risk remains low (22% of days), leaving good room for outdoor activities.

October is the best month of the year in Rarotonga. Compared to September: +0.5h of sun per day.

This month's conditions

What it's like in October

UV index
8 · very high
protection essential
Feels like
muggy at times
16°
Sea
24°C
pleasant for swimming
Daylight
12.5h of daylight
Air quality
good
AQI 28
Compare

Is October the right month?

October is actually the best month of the year in Rarotonga. Good timing.

See all 12 months →
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Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Rarotonga

GetYourGuide selection · free cancellation

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Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Cook Islands

🗣️LanguageEnglish
💶CurrencyNew Zealand Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 25°C
❄️Coolest monthJune · 22°C
🌧️Rainiest month ⓘFebruary · 41%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Location

Where is Rarotonga ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Cook Islands
Tropical climate with a 8.1 → 7.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
21.24°S · 159.78°W
Questions

Frequently asked questions

What is the best time to visit Rarotonga?
November is the best month with 22.0°C highs, 21.0°C lows, 8.2h of sunshine and 22.0% rainy days. The months of November & June offer comparable conditions.
How many hours of sunshine does Rarotonga get in November?
Rarotonga averages 8.2 sunshine hours per day in November. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Rarotonga?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Rarotonga in November?
In November, overnight lows reach 21.0°C, while afternoon highs average 22.0°C.
Is Rarotonga good in winter?
In winter (December-February), Rarotonga scores 7.3/10 on average — Decent period conditions for cultural visits.. The best month overall remains November with a score of 7.6/10.
When should you avoid Rarotonga?
February is the most difficult month to visit Rarotonga, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Rarotonga in October?
In October, the sea averages 24°C in Rarotonga: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Rarotonga in October?
The average UV index reaches 8 in October in Rarotonga (very high), with about 12.5h of daylight. Protection essential.