Home › Weather › Cook Islands Weather
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Current Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for your visit, but know that the Cook Islands enjoy a warm tropical climate year-round, with the dry season from May to October offering the most reliable fine weather for holidays.
What is the typical weather in the Cook Islands?
The Cook Islands sit in the South Pacific, giving them a consistent tropical maritime climate. Daytime temperatures hover around 24–28°C in the cooler dry season (May to October) and rise to 26–30°C during the wetter, more humid summer (November to April). The main island, Rarotonga, sees this pattern most clearly. The trade winds keep things pleasant even when it is warm.
When is the best time to visit based on weather?
For the most settled conditions, plan your cook islands holidays between May and October. This period delivers lower humidity, less rainfall, and lighter winds. If you prefer warmer seas for swimming and don’t mind brief tropical showers, the summer months (December to March) are still fine, though you may encounter more rain and the occasional tropical depression.
What is the weather in Rarotonga right now?
The live forecast above shows current conditions for Rarotonga. For a quick reference, expect similar temperatures across the island group, with coastal breezes common.
How does the weather vary by month?
The cook islands weather by month is consistent: warmest and wettest January to March, a gradual cooldown April to June, driest July to September, then building heat and rain from October. The variation is modest, so any month can be enjoyable.
Can I get a 10-day or 30-day forecast?
The weather in cook islands 10 days forecast is reasonably reliable, offering a good guide for planning. A cook islands weather forecast 30 days out is less precise due to tropical variability; use it for broad trends only.
For more on Australian conditions, see our Australia weather hub or check Brisbane Weather for a comparison. If you are tracking potential storms, read about Severe Weather Warning protocols. Keep in mind that cook islands weather november and cook islands weather december mark the transition to the wet season, so pack accordingly for your trip.