Cook Islands climate
World Climates covers 1 place in the Cook Islands. Avarua has a tropical rainforest climate (Köppen Af).
Climate of Avarua at a glance
The year average in Avarua is 25 °C77 °F. The warmest month is March, with an average high of 27 °C81 °F. The coldest is August, with an average low of 23 °C73 °F. About 1,609 mm63 in of precipitation falls in a year. February is the wettest month and June the driest. By our comfort score, the best months to visit are June–October.
Frequently asked questions
How many places in the Cook Islands does this site cover?
World Climates has climate data for one place in the Cook Islands: Avarua. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in Avarua?
March is the warmest month, with an average high of 27 °C81 °F. August is the coldest, with an average low of 23 °C73 °F.
When does it rain the most in Avarua?
February is the wettest month, with about 202 mm8.0 in of precipitation. The yearly total is about 1,609 mm63 in.
When is the best time to visit Avarua?
By our comfort score, the most comfortable months are June–October. The score is based on long-term averages, not on a forecast.
Climate of every place in the Cook Islands
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Avarua | 25 | 27 | 23 | 1,609 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.