Cook 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

Cook Islands, month by month

84/100 in October
  1. 75Jan
  2. 73Feb
  3. 77Mar
  4. 79Apr
  5. 73May
  6. 83Jun
  7. 81Jul
  8. 83Aug
  9. 86Sep
  10. 84Oct
  11. 85Nov
  12. 76Dec

Where in Cook Islands in October

#PlaceTypeFeels-like highRainComfortAt its best
1AvaruaIsland28°C116 mm · 9 days84 tier AYes
2RarotongaIsland25°C116 mm · 9 days84 tier AYes
3AitutakiIsland27°C110 mm · 15 days83 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

Seasons in force

Dry season · 2 places

Better months for Cook Islands

September · 86/100November · 85/100June · 83/100Weakest: May · 73/100
← Cook Islands in SeptemberCook Islands in November →Best time to visit Cook Islands, month by monthCompare: Avarua vs Rarotonga in October