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What’s the climate like in 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.

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.

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.

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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
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
Precipitation
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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.

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Average Temperature per Month in Cook Islands

This graph shows the average maximum temperatures per month in Cook Islands. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Cook Islands

Average Precipitation per Month in Cook Islands

This graph shows how much rainfall Cook Islands gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Precipitation per Month in Cook Islands

Average UV Index per Month in Cook Islands

This graph 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.

UV Index per Month in Cook Islands

Yearly Temperature in Cook Islands

This graph shows the average yearly temperature in Cook Islands. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Cook Islands

Total Yearly Precipitation in Cook Islands

This chart shows the total yearly precipitation in Cook Islands over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation 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.

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