Cook Islands weather live forecast

Today's maximum temperature in the Cook Islands is expected to be 27°C. Select a day from the live weather forecast for the Cook Islands (Avarua) for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 12th December 2025 GMT

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The 5-day weather forecast for Cook Islands (Avarua) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Below are temperatures expected today at popular countries, regions and places in the Cook Islands. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Cook Islands weather forecast by day

Below are the detailed weather forecasts for the Cook Islands for the next 5 days. The forecasts shown are for Avarua and may not represent the whole of the Cook Islands. Browse more destinations in Cook Islands to view more weather forecasts.

Cook Islands weather for Saturday 13th December 2025

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 15 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 72% chance of some rain72
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 15 kph from the East15
    kph wind from E

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Cook Islands weather for Sunday 14th December 2025

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a light breeze of 10 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 58% chance of some rain58
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the East10
    kph wind from E

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Cook Islands weather for Monday 15th December 2025

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a light breeze of 9 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 72% chance of some rain72
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Cook Islands weather for Tuesday 16th December 2025

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a light breeze of 10 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 65% chance of some rain65
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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Cook Islands weather for Wednesday 17th December 2025

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 17 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 57% chance of some rain57
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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

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