Avarua weather in January 2025

Expect 28°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Avarua in January. Check more long-term weather averages for Avarua in January before you book your next holiday to Cook Islands in 2025/2026.

  • 28°C maximum daytime temperature in January in Avarua28
    28°C max day temperature
  • 17 days with some rainfall in January in Avarua17
    17 days with some rainfall
  • 23°C minimum night-time temperature in January in Avarua23
    23°C min night temperature
  • 13 hours of daylight per day in January in Avarua13
    13 hours of daylight per day
  • High heat & humidity in January in AvaruaH
    High heat & humidity
  • 267 mm monthly rainfall in January in Avarua267
    267 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Avarua11
    11+ (Extreme) UV index
  • 27°C sea temperature in January in Avarua27
    27°C sea temperature

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The January weather guide for Cook Islands (Avarua) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Avarua in January?

Daytime temperatures usually reach 28°C in Avarua in January with high heat and humidity, falling to 23°C at night.

How warm is the sea around Avarua in January?

The average sea temperature around Avarua in January is 27°C.

Does it rain in Avarua in January?

There are usually 17 days with some rain in Avarua in January and the average monthly rainfall is 267mm.

What is the chance of a cyclone in Avarua in January?

On average less than 1 day in January in Avarua is likely to be affected by the passage of one or more tropical storms.

Avarua January sunrise & sunset times

Browse the sunrise and sunset times for Avarua in January 2025. Select a month to view Avarua sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:01 19:25
Thursday, 16th January 2025 06:11 19:27
Friday, 31st January 2025 06:21 19:24

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