December weather forecastKeysborough, Australia
December
Weather in December
The first month of the summer, December, is a moderately hot month in Keysborough, Australia, with an average temperature varying between 23°C (73.4°F) and 13°C (55.4°F).Temperature
Keysborough experiences an average high-temperature of a moderately hot 23°C (73.4°F) with the onset of December, subtly varied from November's 21.1°C (70°F). Throughout December, the average low-temperature records at a mild 13°C (55.4°F).Humidity
In December, the average relative humidity is 67%.Rainfall
In Keysborough, during December, the rain falls for 11.3 days and regularly aggregates up to 40mm (1.57") of precipitation. In Keysborough, during the entire year, the rain falls for 158.8 days and collects up to 484mm (19.06") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 42min of daylight.On the first day of the month, sunrise is at 5:50 am and sunset at 8:26 pm. On the last day of December, sunrise is at 5:59 am and sunset at 8:45 pm AEDT.
Sunshine
December has the most sunshine of the year in Keysborough, with an average of 9.7h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keysborough, 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
Keysborough, 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
Keysborough, 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
Keysborough, 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
Keysborough, 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
Keysborough, 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
Keysborough, Australia
- Average daylight in December: 14h and 42min
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 42min
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
Keysborough, 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
Keysborough, 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
Keysborough, 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
Keysborough, 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).
