Weather in the Cook Islands in December 2018

  • 28°C maximum daytime temperature in December in Cook Islands (Avarua)28
    28°C max day temperature
  • 11 days with some rainfall in December in Cook Islands (Avarua)11
    11 days with some rainfall
  • 22°C minimum night-time temperature in December in Cook Islands (Avarua)22
    22°C min night temperature
  • 13 hours of daylight per day in December in Cook Islands (Avarua)13
    13 hours of daylight per day
  • Moderate heat & humidity in December in Cook Islands (Avarua)M
    Moderate heat & humidity
  • 229 mm monthly rainfall in December in Cook Islands (Avarua)229
    229 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Cook Islands (Avarua)11
    11+ (Extreme) UV index
  • 26°C sea temperature in December in Cook Islands (Avarua)26
    26°C sea temperature

Going to the Cook Islands? Find the best month to visit the Cook Islands based on the weather.

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Expect 28°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Cook Islands in December. Check more long-term weather averages for Cook Islands in December before you book your next holiday to Cook Islands in 2018. The December weather averages shown above are for Avarua.

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

Guide to Cook Islands weather in December

The average maximum daytime temperature in Cook Islands in December is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a warm 22°C (72°F).

Expect 229mm (9.0 inches) of rainfall across the whole of December with 11 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Cook Islands in December is 26°C (79°F).

The weather in Cook Islands in December is represented by Avarua.

Cook Islands sunrise & sunset times for December 2018

Browse the sunrise & sunset times for Cook Islands in December 2018. Select a month to view Cook Islands sunrise & sunset times for the next twelve months. The Cook Islands sunrise & sunset times shown below are for Avarua.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st December 2018 05:48 19:08
Sunday, 2nd December 2018 05:49 19:09
Monday, 3rd December 2018 05:49 19:09
Tuesday, 4th December 2018 05:49 19:10
Wednesday, 5th December 2018 05:49 19:11
Thursday, 6th December 2018 05:49 19:11
Friday, 7th December 2018 05:49 19:12
Saturday, 8th December 2018 05:50 19:13
Sunday, 9th December 2018 05:50 19:13
Monday, 10th December 2018 05:50 19:14
Tuesday, 11th December 2018 05:51 19:15
Wednesday, 12th December 2018 05:51 19:15
Thursday, 13th December 2018 05:51 19:16
Friday, 14th December 2018 05:52 19:16
Saturday, 15th December 2018 05:52 19:17
Sunday, 16th December 2018 05:52 19:17
Monday, 17th December 2018 05:53 19:18
Tuesday, 18th December 2018 05:53 19:19
Wednesday, 19th December 2018 05:54 19:19
Thursday, 20th December 2018 05:54 19:20
Friday, 21st December 2018 05:55 19:20
Saturday, 22nd December 2018 05:55 19:21
Sunday, 23rd December 2018 05:56 19:21
Monday, 24th December 2018 05:56 19:22
Tuesday, 25th December 2018 05:57 19:22
Wednesday, 26th December 2018 05:57 19:22
Thursday, 27th December 2018 05:58 19:23
Friday, 28th December 2018 05:58 19:23
Saturday, 29th December 2018 05:59 19:24
Sunday, 30th December 2018 06:00 19:24
Monday, 31st December 2018 06:00 19:24
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