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 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
The arrival of December brings an average high-temperature of a still warm 26.5°C (79.7°F), closely following the temperature pattern of November. Ngatiarua registers an average low-temperature of 25.6°C (78.1°F) throughout December, a modest decrease from its daytime highs.Humidity
The months with the highest humidity are November and December, with an average relative humidity of 79%.Rainfall
In Ngatiarua, during December, the rain falls for 22.9 days and regularly aggregates up to 153mm (6.02") of precipitation. In Ngatiarua, Cook Islands, during the entire year, the rain falls for 211.1 days and collects up to 1084mm (42.68") of precipitation.Daylight
The month with the longest days in Ngatiarua is December, with an average of 13h and 18min of daylight.On the first day of December, sunrise is at 05:44 and sunset at 18:59. On the last day of the month, sunrise is at 05:56 and sunset at 19:15 -10.
Sunshine
The average sunshine in December is 8.6h.UV index
The months with the highest UV index are January through March, May, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 7 turns into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Ngatiarua?
What is the most humid month in Ngatiarua?
What is the average humidity in December in Ngatiarua?
How many days does it rain in December in Ngatiarua?
When are the longest days in Ngatiarua?
How many hours of daylight does Ngatiarua have in December?
When is the sunrise / sunset in December in Ngatiarua?
How long on average sun shines in December in Ngatiarua?
What are the months with the highest UV index in Ngatiarua?
How high is the UV index in December in Ngatiarua?
Average temperature in December
Ngatiarua, Cook Islands
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is March (27.7°C).
The month with the lowest average high temperature is August (23.8°C).
- Average low temperature in December: 25.6°C
The month with the highest average low temperature is March (26.7°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).
Average pressure in December
Ngatiarua, Cook Islands
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is January (1010.6mbar).
Average wind speed in December
Ngatiarua, Cook Islands
- Average wind speed in December: 21.8km/h
The windiest month (with the highest average wind speed) is September (25.1km/h).
The calmest month (with the lowest average wind speed) is March (20.4km/h).
Average humidity in December
Ngatiarua, Cook Islands
- Average humidity in December: 79%
The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in December
Ngatiarua, Cook Islands
- Average rainfall in December: 153mm
The wettest months (with the highest rainfall) are January and March (155mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in December
Ngatiarua, Cook Islands
- Average rainfall days in December: 22.9 days
The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is August (10.3 days).
Average daylight in December /
Average sunshine in December
Ngatiarua, Cook Islands
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 8h and 4min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days in December
Ngatiarua, Cook Islands
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (5.6 days).
Average UV index in December
Ngatiarua, Cook Islands
- Average UV index in December: 7
The months with the highest UV index are January, February, March, May, November and December (UV index 7).
The months with the lowest UV index are April, June, July, August, September and October (UV index 6).
Average cloud cover in December
Ngatiarua, Cook Islands
- Average cloud cover in December: 49
The months with the most cloud cover are January, October, November and December (Cloud cover 49).
The months with the least cloud cover are March, April and September (Cloud cover 46).
Average visibility in December
Ngatiarua, 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).
Ngatiarua, Cook Islands
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