Arutanga Weather in December
December in Arutanga typically sees daytime highs of 28°C (82°F) and nighttime lows of 25°C (77°F). December falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Arutanga in December
Arutanga is in the rainy season in December, with rain on around 13 days and an average of 223 mm (8.8 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Arutanga in December
December in Arutanga sees highs of 28°C (82°F) and lows of 25°C (77°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Arutanga in December
The area experiences a moderate amount of sunshine, with approximately 172 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.
Wind Speed in Arutanga in December
Average wind conditions reach 6 m/s (12 knots) in December. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Arutanga.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Cook Islands, check out our Arutanga's climate page.
Arutanga Temperature in December
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Arutanga typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
Historical weather for Arutanga in December
Browse day-by-day weather records for Arutanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arutanga historical weather extremes in December
Based on weather observations in Arutanga between 2006 and 2025, these are the recorded extremes during December.
- On December 12, 2016, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- On December 10, 2007, Arutanga saw its coldest December day with temperatures maxing out at 25°C (77°F).
- The wettest December day on record brought 106 mm (4.2 in) of precipitation to Arutanga (December 10, 2009).
Best Places in the Cook Islands in December
Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month. See all of the Cook Islands in December →
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What to Wear in Arutanga in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Arutanga in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Cook Islands, check out our Arutanga's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Arutanga climate overview or explore weather in the Cook Islands.