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The climate of Cook Islands
The Cook Islands is a representative democracy with a parliamentary system in an associated state relationship with New Zealand. Although it is a New Zealand overseas territory the Cook Islands are often seen as an autonomous country. The islands are self governing in free association with New Zealand. The Cook Islands consists of 15 islands which are divided into the Northern Cook Islands and the Southern Cook Islands. The Cook Islands have a tropical climate. It depends on precipitation figures whether a region has a tropical monsoon climate or a tropical savannah climate. Some websites state the Cook Islands have a tropical maritime climate. However, this climate type doesnít exist.


Climate information of places and areas in Cook Islands
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Cook Islands:


Two seasons
The Cook Islands have two seasons with only a small difference in temperatures between these seasons. However, there are large differences in precipitation figures. The rainy season coincides with the warm period which is from November until April. During the dry period temperatures slightly drop and precipitation figures decrease. Precipitation always falls in the form of rain. Glazed frost, hail and snowfall do not occur on the Cook Islands. During El Nino and El Nina large deviations in annual precipitation figures can be recorded. On Aitutaki 2,000 millimeters of precipitation can be recorded during one year while the next year not even 1,000 millimeters of precipitation can be recorded. During the rainy season there is a risk of hurricanes, especially on the Southern Cook Islands. Hurricane season even lasts longer here; there is a risk of hurricanes until June.

On the Cook Islands maximum daytime temperatures rise to 29-33 degrees Celsius (84-90 degrees Fahrenheit). On the Southern Cook Islands temperatures drop to 25-28 degrees Celsius from May until October. On the Northern Cook Islands temperatures remain stable all year round. During the warmest days the ever blowing trade winds offer cooling, especially along the coast.


Climate figures
Throughout the Cook Islands several climate figures and temperatures can be recorded. The figures below are for Avarua and cannot be seen as an average for this country. For climate figures for other places and regions on the Cook Islands please, visit the individual climate pages.

temperature (įC)


temperature (įC)
hours of sunshine

average days with precipitation
per month
per month
temperature (įC)
January 28 23 6 18 27
February 29 23 6 17 27
March 29 23 6 18 28
April 28 22 6 13 27
May 27 21 6 9 26
June 26 20 7 7 25
July 25 19 8 5 24
August 25 19 7 5 24
September 26 19 7 6 24
October 26 20 7 6 24
November 27 21 7 8 25
December 28 22 6 13 26
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-2 inches ● = 2-12 inches ● = 12-24 inches ● = 25-40 inches ● = 41-80 inches ● = over 80 inches

More climate information
Climate figures are very useful but donít present a general impression of the climate and the eventual weather circumstances within a certain period. The figures donít always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we monthly offer useful extra climate information.  The information below is an average for Albania. Please visit the pages on individual climate information for other places on the Cook Islands.

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols


The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. ďMore climate infoĒ is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, itís up to the reader to use it to itís benefit.


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