SeasonMapRarotonga (Cook Islands) weather by month
Cook Islands
The best time to visit Rarotonga (Cook Islands) is September to November — 87/100 in November, 26°C and 11 rainy days. The best season is the dry season, June to November (83/100 on average).
The worst month is May at 74/100 — warm, soaked, clean air. See May →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Cook Islands →
Rarotonga, month by month
Comfort score out of 100 for the kind of trip Rarotonga is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 78 | B | 28°C | 18 d | 10 h | Busy | 2 |
| FebFebruary | 74 | B | 28°C | 18 d | 10 h | Quiet | 1 |
| MarMarch | 77 | B | 28°C | 20 d | 10 h | Quiet | 1 |
| AprApril | 81 | A | 27°C | 16 d | 10 h | Shoulder | 1 |
| MayMay | 74 | B | 26°C | 17 d | 8 h | Busy | 1 |
| JunJune | 83 | A | 25°C | 10 d | 9 h | Busy | 1 |
| JulJuly | 80 | A | 24°C | 12 d | 9 h | Peak | 3 |
| AugAugust | 81 | A | 24°C | 10 d | 9 h | Peak | 3 |
| SepSeptember | 85 | A | 25°C | 10 d | 10 h | Busy | 2 |
| OctOctober | 84 | A | 25°C | 9 d | 10 h | Busy | 2 |
| NovNovember | 87 | A | 26°C | 11 d | 11 h | Quiet | 2 |
| DecDecember | 79 | B | 27°C | 18 d | 11 h | Busy | 2 |
What's on in Rarotonga through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Rarotonga in November
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quiettravelers describe it as quiet, Vaka Eiva
Sourced from traveler notes: “…le enough to sleep without air conditioning, and flag it as low season for tourism, meaning better accommodation rates.” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet