When is the best time to go to Cook islands?

When is the best time to go to Cook islands? Here's some information to help you in your decision:

  • In Cook islands, the weather is good everywhere in July, August and September
  • The best months to go to Avarua are April, May, June, July, August, September, October and November
  • On average, the warmest months in Avarua are January, February, March, April, May, November and December
  • The rainiest months in this city are January, February, March and December
  • The cities with the best climate are Palmerston island, Aitutaki island and Penrhyn island, with good weather at least 9 months a year
  • The best months for swimming in Avarua are January, February, March, April, November and December

Annual weather in Cook islands

For information about the climate and the weather city by city in Cook islands for a specific month, click on the corresponding line below:

January 81°F to 85°F
12 to 21 days*
February 81°F to 85°F
13 to 21 days*
March 81°F to 85°F
13 to 22 days*
April 79°F to 86°F
9 to 16 days*
May 77°F to 86°F
9 to 15 days*
June 76°F to 85°F
4 to 14 days*
July 74°F to 85°F
3 to 13 days*
August 74°F to 83°F
4 to 12 days*
September 74°F to 85°F
3 to 10 days*
October 76°F to 85°F
6 to 15 days*
November 77°F to 85°F
7 to 16 days*
December 79°F to 85°F
8 to 17 days*
* weather varies across the country

Best time to travel to Cook islands by cities

Chargement en cours

Temperatures and rainfall in Cook islands

On these 3 graphs, we present the evolution of temperatures of Cook islands and month-by-month rainfall for the cities of Avarua, Palmerston island, Rarotonga island, Rakahanga island and Aitutaki island, as well as the month-by-month sea temperature for coastal cities.

Peak visitor numbers and tourist seasons in Cook islands

Find out when Cook islands has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Cook islands

The months with low numbers of tourists are: January, February, March, June, July, September, October and November. The number of visitors to Cook islands is high in: April, May, August and December.

  • Very low season in Cook islands: January, March and June.
  • Low season in Cook islands: February, July, September, October and November.
  • High season in Cook islands: May and December.
  • Peak season in Cook islands: April and August.

Figure: Visitor index for Cook islands month by month

Average price for flights to Cook islands

A return flight between Auckland and Rarotonga island is generally cheaper if you go in february ($ 494 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 295 more for your airline ticket to Rarotonga island if you go in october.

Find the best price for your flight Flight prices to Cook islands

Where to go in Cook islands?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Palmerston island83°F83°F85°F83°F81°F79°F79°F77°F79°F79°F81°F83°F
Rarotonga island81°F83°F83°F81°F79°F77°F76°F76°F76°F76°F77°F81°F
Rakahanga island85°F85°F85°F85°F85°F85°F85°F83°F83°F85°F85°F85°F
Aitutaki island83°F83°F85°F83°F81°F79°F79°F77°F79°F79°F81°F83°F
Atiu island83°F83°F83°F83°F81°F79°F77°F76°F77°F77°F79°F81°F
Mangaia island83°F83°F83°F83°F81°F79°F77°F76°F77°F77°F79°F81°F
Manihiki island85°F85°F85°F85°F85°F85°F85°F83°F83°F85°F85°F85°F
Mauke island83°F83°F83°F83°F81°F79°F77°F76°F77°F77°F79°F81°F
Mitiaro island83°F83°F83°F83°F81°F79°F77°F76°F77°F77°F79°F81°F
Penrhyn island85°F85°F85°F85°F85°F85°F85°F83°F83°F83°F85°F85°F
Pukapuka island85°F85°F85°F86°F86°F85°F85°F83°F85°F85°F85°F85°F


good weather

tolerable weather

bad weather

very bad weather

About Cook islands

What can I do in Cook islands?

Beaches / swimming

Nature and countryside

Culture and heritage


Family travel

Crafts / shopping



Is this weather information for Cook islands reliable?

Climate data for Cook islands has been gathered every day since January 2009. The analysis of these meteorological data for Cook islands allows us to determine the average for each month in Avarua, Palmerston island, Rarotonga island, Rakahanga island, Aitutaki island, Atiu island, Mangaia island, Manihiki island, and 4 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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