Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Arutanga starts December with an average high-temperature of a still moderately hot 27°C (80.6°F), hinting at a minimal fluctuation from November. Maintaining close parity with daytime warmth, the average nocturnal temperature in Arutanga during December stays at a still warm 26.2°C (79.2°F).Heat index
In December, the average heat index is computed to be a hot 30°C (86°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In December, the average relative humidity in Arutanga is 78%.Rainfall
In Arutanga, in December, it is raining for 19 days, with typically 148mm (5.83") of accumulated precipitation. In Arutanga, during the entire year, the rain falls for 214.3 days and collects up to 1133mm (44.61") of precipitation.Sea temperature
In December, the average sea temperature is 27°C (80.6°F).Note: Water activities including swimming and diving at temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed very pleasurable and enjoyable for extended periods, devoid of discomfort.
Daylight
With an average of 13h and 12min of daylight, December has the longest days of the year.On the first day of December in Arutanga, sunrise is at 05:52 and sunset at 19:04. On the last day of the month, sunrise is at 06:05 and sunset at 19:19 -10.
Sunshine
The average sunshine in December in Arutanga, Cook Islands, is 8.5h.UV index
The months with the highest UV index in Arutanga are January through May, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 7 during December morphs into the following directions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Arutanga in December?
What is the average humidity in December in Arutanga?
How much does it rain in Arutanga in December?
What is the water temperature in December in Arutanga?
When are the longest days in Arutanga?
How many hours of daylight does Arutanga have in December?
When are sunrise and sunset in December in Arutanga?
How long on average sun shines in December in Arutanga?
When is the highest UV index in Arutanga?
How high is the UV index in December in Arutanga?
Average temperature in December
Arutanga, Cook Islands
- Average high temperature in December: 27°C
The warmest month (with the highest average high temperature) is March (27.9°C).
The month with the lowest average high temperature is August (24.8°C).
- Average low temperature in December: 26.2°C
The month with the highest average low temperature is March (27.3°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).
Average pressure in December
Arutanga, Cook Islands
- Average pressure in December: 1010.4mbar
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is January (1009.8mbar).
Average wind speed in December
Arutanga, Cook Islands
- Average wind speed in December: 21.6km/h
The windiest month (with the highest average wind speed) is July (26.2km/h).
The calmest month (with the lowest average wind speed) is March (19.3km/h).
Average humidity in December
Arutanga, Cook Islands
- Average humidity in December: 78%
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is June (76%).
Average rainfall in December
Arutanga, Cook Islands
- Average rainfall in December: 148mm
The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is June (27mm).
Average rainfall days in December
Arutanga, Cook Islands
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is March (25.1 days).
The month with the least rainy days is November (13.2 days).
Average sea temperature in December
Arutanga, Cook Islands
- Average sea temperature in December: 27°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).
Average daylight in December /
Average sunshine in December
Arutanga, Cook Islands
- Average daylight in December: 13h and 1min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in December: 8h and 3min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The months with the least sunshine are July and October (Average sunshine: 6h and 54min).
Average sunshine days in December
Arutanga, Cook Islands
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is November (14.7 days).
The month with the least sunshine days is March (4 days).
Average UV index in December
Arutanga, Cook Islands
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).
Average cloud cover in December
Arutanga, Cook Islands
- Average cloud cover in December: 48
The months with the most cloud cover are August and October (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 44).
Average visibility in December
Arutanga, Cook Islands
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Arutanga, Cook Islands
Weather forecast for your location
2. Allow the app to use your location