SeasonMapCook Islands in October
October is one of Cook Islands's best months (rank 3 of 12): its 3 destinations average 84/100, led by Avarua at 84 — 28°C and 9 rainy days — while Rarotonga is cooler at 25°C and scores 84.
#3 of 12 months for Cook Islands · 3 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Cook Islands in October
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Avarua | Island | 28°C | 116 mm · 9 days | 84 tier A | Yes |
| 2 | Rarotonga | Island | 25°C | 116 mm · 9 days | 84 tier A | Yes |
| 3 | Aitutaki | Island | 27°C | 110 mm · 15 days | 83 tier A | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means October is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Cook Islands in October
- Humpback whale season · Avarua and 2 more places · 15 Jul – 15 Oct (usually)
- Gospel Day (Nuku) · Avarua and 1 more place · 25–27 Oct