Avarua Weather in December
Avarua in December sees high daytime temperatures of 27°C (81°F) and nighttime lows of 25°C (77°F). As part of the rainy season, showers are frequent and often heavy. Budget around 200 mm (7.9 in) of rainfall for the month.
Rainfall in Avarua in December
Avarua is in the rainy season in December, with rain on around 13 days and an average of 200 mm (7.9 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Avarua in December
Daytime temperatures in Avarua reach 27°C (81°F) in December, dropping to 25°C (77°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Avarua in December
The month experiences a moderate amount of sunlight, with 173 hours of sunshine. This provides a nice balance between sunshine and rain.
Wind Speed in Avarua in December
In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.December in Avarua has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Avarua's climate page.
Avarua Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
27°C (81°F)
Chance of Rain
42%
Precipitation
200 mm (7.9 in)
Rainy days
13 days
Humidity
84% *
Windspeed
4 m/s (8 knots) *
Sunshine
173 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Avarua typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Avarua in December
Browse day-by-day weather records for Avarua spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Avarua historical weather extremes in December
The extremes listed below come from historical weather data collected in Avarua from 2014 through 2025.
- On December 7, 2016, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
- The coldest December day was on December 28, 2014, with a maximum of 24°C (75°F).
- The lowest overnight temperature recorded in December was 18°C (64°F) (December 27, 2019).
- The wettest December day on record brought 121 mm (4.8 in) of precipitation to Avarua (December 14, 2018).
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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tolerable
unpleasant
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What to Wear in Avarua in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Avarua 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 Avarua's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Avarua climate overview or explore weather in the Cook Islands.
