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Cook IslandsThe climate of Oneroa
The current climate in Oneroa features temperatures ranging from a high of 28°C to a low of 23°C throughout the year. The average yearly temperature is around 26°C. At night, temperatures in the colder months average around 21°C and in the warmer months around 26°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 Oneroa, Cook Islands.
Temperature records
The highest temperature recorded in Oneroa in recent years was 33°C in March 2019. The lowest daytime temperature recorded was 19°C in August 2015.
Rainfall amount
On average, Oneroa receives 1885 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Best time to visit Oneroa?
The best time to visit Oneroa for sunny weather is August through November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Oneroa. 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 Oneroa
The climate table of Oneroa 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) | 27 | 27 | 28 | 26 | 25 | 24 | 24 | 23 | 24 | 24 | 25 | 26 |
| Temp. min (°C) | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 25 |
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| Precipitation (mm) | 223 | 190 | 233 | 172 | 160 | 187 | 177 | 104 | 87 | 101 | 93 | 158 |
| UV Index | 8 | 8 | 8 | 7 | 6 | 5 | 6 | 6 | 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 Oneroa, 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 Oneroa
Yearly Temperature in Oneroa
Precipitation charts
These charts show the average amount of precipitation in Oneroa, 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 Oneroa
Total Yearly Precipitation in Oneroa
UV index chart
This chart shows the average UV index per month in Oneroa, 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 Oneroa
Weather experiences in Oneroa
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Average weather in Oneroa by month
Click on a month below to see detailed weather info for Oneroa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.