Cook Islands · Month comparison

November vs May

May ranks #1 overall vs November at #8. Dry season opens — the crowd-to-value sweet spot before New Zealand winter school holidays.

Cook Islands November — Rarotonga sunset with a person on the water as wet season approaches

November

#8 of 12 months

Strong option

Transitional month — 120mm is manageable but the wet season is unmistakably returning.

  • ↑Temperatures warming to 25°C — sea swimming improving from the cool dry season
  • ↑Rain falls in afternoon bursts leaving mornings typically clear and beautiful
Cook Islands May — palm-fringed Rarotonga beach under clear dry-season skies

May

#1 of 12 months

Best match

Dry season opens — the crowd-to-value sweet spot before New Zealand winter school holidays.

  • ↑85mm of rain is genuinely manageable — most days are dry and clear
  • ↑Prices still below the June–August premium before school holidays hit
FactorNovemberMay
Weather score
6
8
Value score
6
7
Crowd score
6
7
Events score
5
5
Atmosphere
7
8
Avg high temp25°C24°C
Monthly rain120mm85mm
Daily sunshine7hrs7hrs

November trade-offs

  • ↓120mm rainfall: afternoon plans need flexibility as showers arrive unpredictably
  • ↓Early cyclone activity possible in an active La Niña year — monitor conditions
  • ↓Lagoon visibility starting to reduce as sediment picks up with heavier rains

May trade-offs

  • ↓Evenings noticeably cooler than summer — pack a layer for open-air dinners
  • ↓Some activities (lagoon cruises, sailing) operate reduced schedules before the main season
  • ↓Less vibrant green in the interior as dry season bites
See all 12 months for Cook Islands →November in detail →May in detail →
Scores compare months within Cook Islands. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →