December weather forecastHeathmont, Australia
December
Weather in December
December, the first month of the summer in Heathmont, is a moderately hot month, with an average temperature fluctuating between 23.8°C (74.8°F) and 11.9°C (53.4°F).Temperature
The shift from November to December is characterized by an average high-temperature of a warm 23.8°C (74.8°F), not significantly different from the 21.5°C (70.7°F) of November. Heathmont observes an average nighttime low-temperature of 11.9°C (53.4°F) during the month of December.Humidity
In Heathmont, the average relative humidity in December is 67%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 45mm (1.77") of precipitation is accumulated. In Heathmont, during the entire year, the rain falls for 168.2 days and collects up to 522mm (20.55") of precipitation.Daylight
December has the longest days of the year in Heathmont, 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 8:25 pm. On the last day of December, sunrise is at 5:59 am and sunset at 8:44 pm AEDT.
Sunshine
December has the most sunshine of the year, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are January, February, October through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during December morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heathmont, Australia
- Average high temperature in December: 23.8°C
The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.3°C).
- Average low temperature in December: 11.9°C
The month with the highest average low temperature is February (14.2°C).
The coldest month (with the lowest average low temperature) is August (5.8°C).
Average pressure in December
Heathmont, Australia
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is June (1021.3mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in December
Heathmont, Australia
- Average wind speed in December: 9.5km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is April (9.2km/h).
Average humidity in December
Heathmont, Australia
- Average humidity in December: 67%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Heathmont, Australia
- Average rainfall in December: 45mm
The wettest months (with the highest rainfall) are August and November (53mm).
The driest months (with the least rainfall) are February, March, April and July (38mm).
Average rainfall days in December
Heathmont, Australia
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is January (10.2 days).
Average daylight in December /
Average sunshine in December
Heathmont, 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 54min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The months with the least sunshine are July and August (Average sunshine: 6h and 24min).
Average sunshine days in December
Heathmont, Australia
- Average sunshine days in December: 15.8 days
The months with the most sunshine days are January and March (16.3 days).
The month with the least sunshine days is August (11 days).
Average UV index in December
Heathmont, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in December
Heathmont, Australia
- Average cloud cover in December: 35
The months with the most cloud cover are July and August (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in December
Heathmont, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





