Aitutaki Weather in December
During December, Aitutaki experiences high daytime temperatures of 28°C (82°F) and cooler nights around 25°C (77°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Aitutaki in December
Aitutaki is in the rainy season in December, with rain on around 13 days and an average of 222 mm (8.7 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Aitutaki in December
Aitutaki in December gets highs of 28°C (82°F) during the day and drops to 25°C (77°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Aitutaki 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 Aitutaki in December
December sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.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 Aitutaki.
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 Aitutaki's climate page.
Aitutaki Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
43%
Precipitation
222 mm (8.7 in)
Rainy days
13 days
Windspeed
6 m/s (12 knots)
Sunshine
172 hours
Percentage Sunshine
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Aitutaki 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 Aitutaki in December
Browse day-by-day weather records for Aitutaki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aitutaki historical weather extremes in December
Our historical data for Aitutaki spans 2006 to 2025, revealing these weather extremes.
- On December 12, 2016, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- On December 10, 2007, Aitutaki saw its coldest December day with temperatures maxing out at 25°C (77°F).
- The wettest day in December Aitutaki was on December 10, 2009 with 106 mm (4.2 in) of precipitation.
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 Aitutaki in December
Warm but pleasant conditions in Aitutaki in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Aitutaki 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 Aitutaki's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Aitutaki climate overview or explore weather in the Cook Islands.
