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Rarotonga weather in January (Cook Islands)

What's the typical weather in Rarotonga for January? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

The month of January in Rarotonga typically brings high temperatures and heavy rainfall. Daytime temperatures generally settle around 28°C, while nighttime can see a dip to about 25°C.

Precipitation

Rarotonga in January falls under the rainy season with heavy rainfall, averaging around 225 mm for the month. This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. On average, there are about 13 days with rain during this month.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 167 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Rarotonga. June, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Rarotonga climate page with graphs.

 

Rarotonga, monthly averages in January

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 28°C  
Chance of RainChance of Rain 44%  
PrecipitationPrecipitation 225 mm  
Rainy daysRainy days 13 days  
HumidityHumidity 85%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 167 hours  
Percentage SunshinePercentage Sunshine  

Where to go in the Cook Islands in January

Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Rarotonga.

Our site offers climate and forecast data for every country in the world. Are you going to the Cook Islands? On this website you can find historical weather averages for many cities in the Cook Islands. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.