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
December
Weather in December
Temperature
Cardiff marks the onset of December with an average high-temperature of a still enjoyable 66.4°F, a subtle shift from November's 62.2°F. December nights in Cardiff are marked by an average low-temperature of 56.7°F.Humidity
The months with the highest humidity are May through October and December, with an average relative humidity of 80%.Rainfall
In Cardiff, in December, it is raining for 14.9 days, with typically 2.68" of accumulated precipitation. Throughout the year, there are 184.4 rainfall days, and 34.57" of precipitation is accumulated.Daylight
With an average of 14h and 54min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 5:50 am and sunset at 8:33 pm. On the last day of December, sunrise is at 5:59 am and sunset at 8:53 pm NZDT.
Sunshine
With an average of 8.5h of sunshine, December has the most sunshine of the year in Cardiff, New Zealand.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in December, converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Cardiff?
What are the most humid months in Cardiff?
What is the average humidity in December in Cardiff?
How much does it rain in Cardiff in December?
When are the longest days in Cardiff?
What is the average length of the day in December in Cardiff?
When is the sunrise / sunset in December in Cardiff?
What month has the most sunshine in Cardiff?
How many hours of sunshine does Cardiff have in December?
What are the months with the highest UV index in Cardiff?
How high is the UV index in December in Cardiff?
Average temperature in December
Cardiff, New Zealand
- Average high temperature in December: 66.4°F
The warmest month (with the highest average high temperature) is February (70.3°F).
The month with the lowest average high temperature is July (54.7°F).
- Average low temperature in December: 56.7°F
The month with the highest average low temperature is February (60.1°F).
The coldest month (with the lowest average low temperature) is July (47.8°F).
Average pressure in December
Cardiff, New Zealand
- Average pressure in December: 29.96"Hg
The month with the highest atmospheric pressure is March (30.07"Hg).
The month with the lowest atmospheric pressure is September (29.93"Hg).
Average wind speed in December
Cardiff, New Zealand
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is September (12.4mph).
The calmest month (with the lowest average wind speed) is February (9.1mph).
Average humidity in December
Cardiff, New Zealand
- Average humidity in December: 80%
The months with the highest relative humidity are May, June, July, August, September, October and December (80%).
The months with the lowest relative humidity are January, March and November (78%).
Average rainfall in December
Cardiff, New Zealand
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is July (4.06").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in December
Cardiff, New Zealand
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (10.7 days).
Average daylight in December /
Average sunshine in December
Cardiff, New Zealand
- Average daylight in December: 14h and 5min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 24min).
- Average sunshine in December: 8h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in December
Cardiff, New Zealand
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is January (15.7 days).
The month with the least sunshine days is September (8.2 days).
Average UV index in December
Cardiff, New Zealand
- Average UV index in December: 5
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in December
Cardiff, New Zealand
- Average cloud cover in December: 43
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in December
Cardiff, New Zealand
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
