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 snowfall in December
- Average snowfall 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 advent of December sees the average high-temperature at an enjoyable 16.8°C (62.2°F), subtly shifted from November's 14.7°C (58.5°F). Throughout December nights, Roslyn Bush experiences a consistent temperature average of 9°C (48.2°F).Humidity
January, October through December, with an average relative humidity of 79%, are the least humid months.Rainfall
In Roslyn Bush, New Zealand, in December, it is raining for 17.7 days, with typically 65mm (2.56") of accumulated precipitation. In Roslyn Bush, during the entire year, the rain falls for 219.7 days and collects up to 744mm (29.29") of precipitation.Snowfall
January through April, June, July, October through December are months without snowfall in Roslyn Bush.Daylight
December has the longest days of the year, with an average of 15h and 42min of daylight.On the first day of the month, sunrise is at 5:49 am and sunset at 9:20 pm. On the last day of December, sunrise is at 5:57 am and sunset at 9:41 pm NZDT.
Sunshine
December has the most sunshine of the year, with an average of 9.7h of sunshine.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the average December temperature in Roslyn Bush?
What are the least humid months in Roslyn Bush?
What is the average humidity in December in Roslyn Bush?
How many days does it rain in December in Roslyn Bush?
When it does not snow in Roslyn Bush?
When are the longest days in Roslyn Bush?
What is the average length of the day in December in Roslyn Bush?
What time are sunrise and sunset in December in Roslyn Bush?
What month has the most sunshine in Roslyn Bush?
How many hours of sunshine does Roslyn Bush have in December?
What are the months with the highest UV index in Roslyn Bush?
What is the UV index reading in December in Roslyn Bush?
Average temperature in December
Roslyn Bush, New Zealand
- Average high temperature in December: 16.8°C
The warmest month (with the highest average high temperature) is January (17.1°C).
The month with the lowest average high temperature is July (9.7°C).
- Average low temperature in December: 9°C
The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is August (5.2°C).
Average pressure in December
Roslyn Bush, New Zealand
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is March (1015.8mbar).
The month with the lowest atmospheric pressure is September (1009.2mbar).
Average wind speed in December
Roslyn Bush, New Zealand
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is October (19.1km/h).
The calmest month (with the lowest average wind speed) is March (15km/h).
Average humidity in December
Roslyn Bush, New Zealand
- Average humidity in December: 79%
The month with the highest relative humidity is May (83%).
The months with the lowest relative humidity are January, October, November and December (79%).
Average rainfall in December
Roslyn Bush, New Zealand
- Average rainfall in December: 65mm
The wettest months (with the highest rainfall) are January and November (76mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days in December
Roslyn Bush, New Zealand
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is February (15.7 days).
Average snowfall in December
Roslyn Bush, New Zealand
- Average snowfall in December: 0mm
The month with the highest snowfall is August (13mm).
The months with the least snowfall are January, February, March, April, June, July, October, November and December (0mm).
Average snowfall days in December
Roslyn Bush, New Zealand
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are August and September (0.3 days).
The months with the least snowfall days are January, February, March, April, June, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Roslyn Bush, New Zealand
- Average daylight in December: 15h and 4min
The month with the longest days is December (Average daylight: 15h and 42min).
The month with the shortest days is June (Average daylight: 8h and 42min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 4h and 30min).
Average sunshine days in December
Roslyn Bush, New Zealand
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is June (11.6 days).
The month with the least sunshine days is October (7.1 days).
Average UV index in December
Roslyn Bush, New Zealand
- Average UV index in December: 4
The months with the highest UV index are January, February, March and December (UV index 4).
The month with the lowest UV index is June (UV index 2).
Average cloud cover in December
Roslyn Bush, New Zealand
- Average cloud cover in December: 50
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in December
Roslyn Bush, New Zealand
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Roslyn Bush, New Zealand
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