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The climate of Cook Islands
The current climate in Cook Islands features temperatures ranging from a high of 30°C to a low of 26°C throughout the year. The average yearly temperature is around 28°C. At night, temperatures in the colder months average around 20°C and in the warmer months around 24°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Cook Islands.
Temperature records
The highest temperature recorded in Cook Islands in recent years was 34°C in February 2014. The lowest daytime temperature recorded was 19°C in October 2015.
Rainfall amount
On average, Cook Islands receives 1829 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The climate in Cook Islands is based on weather data from Avarua. Other spots might have different weather. You can check out all destinations in Cook Islands to get the full picture of the climate.
Best time to visit Cook Islands?
The best time to visit Cook Islands for sunny weather is June, July, September and October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Cook Islands. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Cook Islands
The climate table of Cook Islands shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 30 | 30 | 30 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 28 | 29 |
| Temp. min (°C) | 25 | 25 | 25 | 24 | 23 | 22 | 21 | 21 | 21 | 22 | 23 | 24 |
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| Precipitation (mm) | 205 | 199 | 266 | 171 | 153 | 80 | 87 | 153 | 104 | 88 | 121 | 202 |
| UV Index | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Cook Islands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Cook Islands
Yearly Temperature in Cook Islands
Precipitation charts
These charts show the average amount of precipitation in Cook Islands. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Cook Islands
Total Yearly Precipitation in Cook Islands
UV index chart
This chart shows the average UV index per month in Cook Islands. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Cook Islands
Weather experiences in Cook Islands
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Average weather in Cook Islands by month
Click on a month below to see detailed weather info for Cook Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.