What’s the climate like in Cook Islands?
The current climate of Cook Islands features average monthly temperatures ranging from highs of 30°C during the day to lows of 26°C. 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, UK gets 701 mm of precipitation annually.
The climate of Cook Islands is based on weather data from Avarua. Other locations might have different weather. You can check out all destinations in Cook Islands for a 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 good 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.
Climate Table of Cook Islands
The climate table of Cook Islands shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 28°C
- Highest temperature: 30°C in January, February and March
- Lowest temperature: 26°C in July, August, September and October
- Precipitation: 1829 mm per year, averaging 152 mm per month
- Driest months: 80 mm in June, 87 mm in July and 88 mm in October
- Wettest months: 266 mm in March, 205 mm in January and 202 mm in December
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Table of Contents
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.
Average Precipitation per Month in Cook Islands
This graph shows how much precipitation Cook Islands gets on average per month. Precipitation 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 precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
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.
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.
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 millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
