When to go · Cook Islands
Cook Islands, month by month
The best months for Cook Islands: May, Jun, Jul, Aug, Sep, Oct.
Month by month
- JanuaryMixedNZ summer holidays; humid and cyclone risk.Southern Cooks: rainy · Northern atolls: hot · Avarua: 29° / 23°, 15 rain daysCrowds: Medium · 1 festival or holiday
- FebruaryMixedWettest, highest cyclone risk.Southern Cooks: storm or typhoon risk · Northern atolls: hot · Avarua: 30° / 23°, 14 rain daysCrowds: Low
- MarchMixedStill humid; cheaper rates.Southern Cooks: rainy · Northern atolls: hot · Avarua: 29° / 23°, 14 rain daysCrowds: Low · 1 festival or holiday
- AprilGoodRain easing; Easter and NZ school holidays.Southern Cooks: fine · Northern atolls: fine · Avarua: 28° / 22°, 11 rain daysCrowds: Medium · 2 festivals or holidays
- MayGreatDry season begins; good value.Southern Cooks: best weather · Northern atolls: fine · Avarua: 27° / 21°, 9 rain daysCrowds: Low
- JuneGreatCool evenings, dry; good diving visibility.Southern Cooks: best weather · Northern atolls: fine · Avarua: 26° / 19°, 8 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatNZ and Australian school holidays; whales arrive; Te Maeva Nui begins.Southern Cooks: best weather · Northern atolls: fine · Avarua: 25° / 18°, 8 rain daysCrowds: High · 3 festivals or holidays
- AugustGreatConstitution Day celebrations; whales; book ahead.Southern Cooks: best weather · Northern atolls: fine · Avarua: 25° / 18°, 8 rain daysCrowds: High · 2 festivals or holidays
- SeptemberGreatDry and calm; whales.Southern Cooks: best weather · Northern atolls: fine · Avarua: 26° / 19°, 8 rain daysCrowds: Medium
- OctoberGreatWarm and dry; Gospel Day pageants.Southern Cooks: best weather · Northern atolls: fine · Avarua: 26° / 20°, 9 rain daysCrowds: Medium · 1 festival or holiday
- NovemberMixedHeat and showers return.Southern Cooks: fine · Northern atolls: hot · Avarua: 27° / 21°, 10 rain daysCrowds: Low
- DecemberMixedChristmas family travel; cyclone season starts.Southern Cooks: rainy · Northern atolls: hot · Avarua: 28° / 22°, 13 rain daysCrowds: High · 1 festival or holiday
Weather by region
How each climate zone rates each month.