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
The arrival of December brings an average high-temperature of an agreeable 20.3°C (68.5°F), nearly identical to November's 18.2°C (64.8°F). Greenhithe's nocturnal average in December closely mirrors its daytime temperatures, settling at a moderate 15.5°C (59.9°F).Humidity
In Greenhithe, the average relative humidity in December is 78%.Rainfall
In Greenhithe, in December, during 14.5 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Greenhithe, New Zealand, during the entire year, the rain falls for 186.5 days and collects up to 625mm (24.61") of precipitation.Daylight
December has the longest days of the year in Greenhithe, with an average of 14h and 36min of daylight.On the first day of the month, sunrise is at 5:55 am and sunset at 8:24 pm. On the last day of December, sunrise is at 6:05 am and sunset at 8:43 pm NZDT.
Sunshine
The month with the most sunshine is December, with an average of 8.3h of sunshine.UV index
January through April and December, with an average maximum UV index of 5, are months with the highest UV index in Greenhithe, New Zealand. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in December leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenhithe in December?
What is the average humidity in December in Greenhithe?
How many days does it rain in December in Greenhithe?
When are the longest days in Greenhithe?
What is the average length of the day in December in Greenhithe?
When are sunrise and sunset in December in Greenhithe?
What month has the most sunshine in Greenhithe?
How many hours of sunshine does Greenhithe have in December?
What is the month with the highest UV index in Greenhithe?
How high is the UV index in December in Greenhithe?
Average temperature in December
Greenhithe, New Zealand
- Average high temperature in December: 20.3°C
The warmest month (with the highest average high temperature) is February (22.6°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is February (17.5°C).
The coldest month (with the lowest average low temperature) is July (10.4°C).
Average pressure in December
Greenhithe, New Zealand
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The months with the lowest atmospheric pressure are January and September (1014.8mbar).
Average wind speed in December
Greenhithe, New Zealand
- Average wind speed in December: 15.3km/h
The windiest month (with the highest average wind speed) is September (19km/h).
The calmest month (with the lowest average wind speed) is February (13.9km/h).
Average humidity in December
Greenhithe, New Zealand
- Average humidity in December: 78%
The months with the highest relative humidity are August and September (79%).
The months with the lowest relative humidity are January, February, March and November (77%).
Average rainfall in December
Greenhithe, New Zealand
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in December
Greenhithe, New Zealand
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (11.1 days).
Average daylight in December /
Average sunshine in December
Greenhithe, New Zealand
- Average daylight in December: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in December: 8h and 2min
The month with the most sunshine is December (Average sunshine: 8h and 18min).
The month with the least sunshine is August (Average sunshine: 6h and 24min).
Average sunshine days in December
Greenhithe, New Zealand
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.7 days).
Average UV index in December
Greenhithe, New Zealand
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April and December (UV index 5).
The month with the lowest UV index is June (UV index 3).
Average cloud cover in December
Greenhithe, New Zealand
- Average cloud cover in December: 43
The month with the most cloud cover is September (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 37).
Average visibility in December
Greenhithe, New Zealand
- 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).
