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 commencement of December introduces an average high-temperature of a moderately hot 23°C (73.4°F), closely mirroring the preceding month. The average temperature during December nights dips to a mild 13°C (55.4°F).Humidity
The average relative humidity in December is 67%.Rainfall
In Glen Waverley, in December, during 11.3 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Glen Waverley, during the entire year, the rain falls for 158.8 days and collects up to 484mm (19.06") of precipitation.Daylight
With an average of 14h and 42min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:50 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:44 pm AEDT.
Sunshine
The month with the most sunshine is December, with an average of 9.7h of sunshine.UV index
The months with the highest UV index are January through March, October through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in December transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Glen Waverley in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
How many hours of daylight does Glen Waverley have in December?
What time are sunrise and sunset in December?
What month has the most sunshine?
How long on average sun shines in December?
When is the highest UV index in Glen Waverley?
How high is the UV index in December?
Average temperature in December
Glen Waverley, Australia
- Average high temperature in December: 23°C
The warmest month (with the highest average high temperature) is January (25°C).
The month with the lowest average high temperature is July (13°C).
- Average low temperature in December: 13°C
The month with the highest average low temperature is February (15.4°C).
The coldest month (with the lowest average low temperature) is August (7.3°C).
Average pressure in December
Glen Waverley, Australia
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in December
Glen Waverley, Australia
- Average wind speed in December: 11.6km/h
The windiest month (with the highest average wind speed) is August (15.1km/h).
The calmest month (with the lowest average wind speed) is April (11.4km/h).
Average humidity in December
Glen Waverley, Australia
- Average humidity in December: 67%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Glen Waverley, Australia
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is March (31mm).
Average rainfall days in December
Glen Waverley, Australia
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (9 days).
Average daylight in December /
Average sunshine in December
Glen Waverley, Australia
- Average daylight in December: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The months with the least sunshine are May, July and August (Average sunshine: 6h and 30min).
Average sunshine days in December
Glen Waverley, Australia
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (19 days).
The months with the least sunshine days are July and August (10.8 days).
Average UV index in December
Glen Waverley, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in December
Glen Waverley, Australia
- Average cloud cover in December: 35
The months with the most cloud cover are July and August (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Glen Waverley, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May, June, July, August, September, October, November and December (9km).
