December weather forecastBacchus Marsh, Australia
December
Weather in December
December, the first month of the summer in Bacchus Marsh, is a warm month, with an average temperature fluctuating between 23.1°C (73.6°F) and 12.8°C (55°F).Temperature
With December's advent, Bacchus Marsh, Australia, sees an average high-temperature of a warm 23.1°C (73.6°F), subtly shifted from November's 21.2°C (70.2°F). The average temperature during December nights is registered at a fresh 12.8°C (55°F).Humidity
In December, the average relative humidity in Bacchus Marsh is 66%.Rainfall
In Bacchus Marsh, in December, during 11.7 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Bacchus Marsh, during the entire year, the rain falls for 157.6 days and collects up to 415mm (16.34") of precipitation.Daylight
With an average of 14h and 42min of daylight, December has the longest days of the year in Bacchus Marsh.On the first day of the month, sunrise is at 5:54 am and sunset at 8:28 pm. On the last day of December, sunrise is at 6:03 am and sunset at 8:47 pm AEDT.
Sunshine
The month with the most sunshine in Bacchus Marsh is December, with an average of 9.9h of sunshine.UV index
The month with the highest UV index in Bacchus Marsh is December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bacchus Marsh, Australia
- Average high temperature in December: 23.1°C
The warmest month (with the highest average high temperature) is January (25.1°C).
The month with the lowest average high temperature is July (12.8°C).
- Average low temperature in December: 12.8°C
The month with the highest average low temperature is February (15.2°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).
Average pressure in December
Bacchus Marsh, 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
Bacchus Marsh, Australia
- Average wind speed in December: 11.8km/h
The windiest month (with the highest average wind speed) is August (15km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).
Average humidity in December
Bacchus Marsh, Australia
- Average humidity in December: 66%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Bacchus Marsh, Australia
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is March (27mm).
Average rainfall days in December
Bacchus Marsh, Australia
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is August (16.6 days).
The month with the least rainy days is January (8.9 days).
Average daylight in December /
Average sunshine in December
Bacchus Marsh, 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 month with the least sunshine is August (Average sunshine: 6h and 36min).
Average sunshine days in December
Bacchus Marsh, Australia
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Bacchus Marsh, Australia
- Average UV index in December: 6
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover in December
Bacchus Marsh, Australia
- Average cloud cover in December: 33
The months with the most cloud cover are May and August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Bacchus Marsh, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
