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Rarotonga, Cook Islands · Tropical

Rarotonga: best months to visit

October (8.1/10) · March (7.7/10).

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 21.24°S · 159.78°W
⚡ Quick answer
October
Depends on your goals
8.1/10
☀️ Oct
Top score (8.1/10)
🌤️ Nov
Alt. (8.1/10)
Mar
Plus rude (7.7/10)
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo par Luke Marshall via Unsplash
Decide

When to visit Rarotonga?

The decision rests on several criteria. Climate score, tourist crowds and feasible activities.

Verdict: In Rarotonga, October and November clearly stand out. March concentrates the least favorable conditions.
Top & avoid
🏆 October · 8.1 November · 8.1 August · 8.0 January · 7.9 March · 7.7
7.9
Jan
7.7
Feb
7.7
Mar
7.9
Apr
7.8
May
7.9
Jun
7.9
Jul
8.0
Aug
7.9
Sep
8.1
Oct
8.1
Nov
7.8
Dec
Best period · ≥ 7 Decent period · 4 – 7 Tough conditions · < 4

What you grasp in 5 seconds

Rarotonga offers 12 comfortable months, without any month really to avoid. The gap stays moderate: 8.1 in October vs 7.7 in March.

What to check next

Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.

Next action

Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.

How we calculate the score

The score combines 4 weighted criteria using 10 years of real climate data (ERA5).

Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →

Understand

Compare all 12 months

Month-by-month details: temperature, rain, sunshine, score and verdict.

✅ 12 comfortable months (Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec)
MonthT° minT° maxRain %mm/daySunScoreVerdict
☀️ January →73°F77°F36%6.5mm7.1h7.9/10Best period
☀️ February →73°F77°F41%8.3mm6.6h7.7/10Best period
☀️ March →73°F77°F40%6.9mm6.3h7.7/10Best period
☀️ April →73°F75°F30%4.8mm6.6h7.9/10Best period
☀️ May →72°F75°F34%5.8mm6.0h7.8/10Best period
☀️ June →70°F72°F21%2.7mm6.7h7.9/10Best period
☀️ July →68°F72°F25%3.8mm6.4h7.9/10Best period
☀️ August →68°F72°F21%3.0mm7.0h8.0/10Best period
☀️ September →68°F72°F22%3.0mm7.1h7.9/10Best period
☀️ October →70°F72°F22%3.0mm7.6h8.1/10Best period
☀️ November →70°F72°F22%3.2mm8.2h8.1/10Best period
☀️ December →72°F75°F37%6.5mm7.0h7.8/10Best period
📊 Quick read
Optimal window
Jan → Dec
Good transition
—
Tough period
none
🌡️ Detailed conditions (October)
🌡️ Feel
Comfortable
☀️ UV
8.5 · Very strong
💧 Humidity feel
62°F · Pleasant
☔ Rain
22% · 3.0 mm/day
🌅 Sunshine
7.6h/day
10-year trend

Annual temperatures — Rarotonga

Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.

T° maxT° meanT° min68°72°75°201620172018201920202021202220232024202574°F — decade peak (2021)+-0.27°F / decade
Tailor

For your trip

A few angles depending on what kind of trip you are planning.

🌞 Dry season🏖️ Beaches🌊 Surf
Book

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

See all →
Affiliate link · GetYourGuide
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 · 77°F
❄️Coolest monthJune · 72°F
🌧️Rainiest month ⓘFebruary · 41%

🏝️ Tropical stay

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

Related destinations & guides

If this destination doesn't fit your dates, here are alternatives and guides.

Location

Where is Rarotonga ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
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 72°F highs, 70°F 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 70°F, while afternoon highs average 72°F.
Is Rarotonga good in winter?
In winter (December-February), Rarotonga scores 7.3/10 on average — Acceptable 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.