Arorangi in December sees high temperatures, with highs around 27°C (81°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 200 mm (7.9 in) of rainfall and regular showers throughout the month.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Arorangi. Our weather planner can help you explore destinations with more pleasant weather conditions.
Min Temperature
Max Temperature
Chance of Rain
Precipitation
Rainy days
Humidity
Windspeed
Sunshine
Percentage Sunshine
Pick a month to see the average temperature, rainfall and sunshine in Arorangi - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Arorangi typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 23°C (73°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Arorangi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 11 years of weather observations in Arorangi between 2014 and 2025, these are the recorded extremes.
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 →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Arorangi climate overview or explore weather in the Cook Islands.
Where to go in December - average daytime high across popular destinations.
Penrhyn
29°C (84°F) Aitutaki28°C (82°F) Arutanga28°C (82°F) Muri27°C (81°F) Avarua27°C (81°F) Arorangi27°C (81°F) Rarotonga27°C (81°F) Ngatangiia27°C (81°F) Need travel inspiration? Check out our bucket list articles and be inspired.
The perfect escape to get away from it all
Still relatively untouched the Cook Islands are what paradise looks like in your wildest dreams. Expect tropical and green landscapes, mesmerizing turquoise waters and powder soft white sand.
An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
The Tongariro Crossing in New Zealand
It is called the most beautiful walk in New Zealand, the Tongariro Crossing. The official hiking season starts late October until end of April.
The most relaxed and alternative area of Australia is called the Byron Shire
The Byron Shire is one of the most pretty areas in the world. Not only in terms on natural beauty, also the relaxed vibe and people make this an area that remains close to your heart.
