Weather in Rarotonga (Cook Islands)
What's the weather like in Rarotonga (Cook Islands)?
Rarotonga (Cook Islands) has a moderate climate and heavy rainfall, especially in the wet season. Average daytime highs range from 25°C (76°F) in January to 22°C (71°F) in July, with overnight lows around 23°C (74°F) and 20°C (69°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Rarotonga (Cook Islands) are January through December.
Quick facts
- Country
- 🇨🇰 Cook Islands
- Region
- Oceania
- Time zone
- Pacific/Rarotonga
- Coordinates
- -21.237, -159.778
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 76°F | 23°C / 74°F | 237 mm | 27 | — |
| February | 25°C / 77°F | 24°C / 74°F | 182 mm | 24 | — |
| March | 25°C / 77°F | 24°C / 74°F | 253 mm | 28 | — |
| April | 24°C / 76°F | 23°C / 73°F | 146 mm | 22 | — |
| May | 23°C / 74°F | 22°C / 72°F | 163 mm | 24 | — |
| June | 22°C / 72°F | 21°C / 70°F | 92 mm | 23 | — |
| July | 22°C / 71°F | 20°C / 69°F | 111 mm | 22 | — |
| August | 21°C / 70°F | 20°C / 68°F | 92 mm | 22 | — |
| September | 22°C / 71°F | 20°C / 69°F | 73 mm | 21 | — |
| October | 22°C / 71°F | 21°C / 69°F | 101 mm | 22 | — |
| November | 23°C / 73°F | 22°C / 71°F | 97 mm | 22 | — |
| December | 24°C / 75°F | 22°C / 72°F | 186 mm | 22 | — |
Rarotonga (Cook Islands) by month
Detailed weather for any specific month:
Seasonal patterns to know
South Pacific cyclone season runs November–April (peak January–March). Tropical cyclones are possible — most likely December–April.
Cities with a similar climate to Rarotonga (Cook Islands)
Frequently asked questions
When is the best time to visit Rarotonga (Cook Islands)?
The most comfortable months in Rarotonga (Cook Islands) are usually July, September, October, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Rarotonga (Cook Islands)?
March is typically the hottest month in Rarotonga (Cook Islands), averaging a high of 25°C (77°F).
What is the coldest month in Rarotonga (Cook Islands)?
August is usually the coldest, with average lows around 20°C (68°F).
Does it snow in Rarotonga (Cook Islands)?
Snow is rare in Rarotonga (Cook Islands); the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.