December weather forecast
Ballan, Australia

December

Weather in December

The first month of the summer, December, is a warm month in Ballan, Australia, with an average temperature varying between 10.1°C (50.2°F) and 23.7°C (74.7°F).

Temperature

The advent of December reveals an average high-temperature of a warm 23.7°C (74.7°F), showing minimal difference from the prior month. A steady average of 10.1°C (50.2°F) throughout December underscores a considerable divergence from the daytime high.

Humidity

The average relative humidity in December in Ballan, Australia, is 65%.

Rainfall

In Ballan, in December, during 10.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Ballan, during the entire year, the rain falls for 149.7 days and collects up to 390mm (15.35") of precipitation.

Snowfall

January through April, June, November and December are months without snowfall in Ballan.

Daylight

December has the longest days of the year, with an average of 14h and 42min of daylight.
On the first day of December, sunrise is at 5:55 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:47 pm AEDT.

Sunshine

December has the most sunshine of the year, with an average of 9h of sunshine.

UV index

The month with the highest UV index is December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, a daily UV index of 6 turns into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What are December temperatures in Ballan?
In Ballan, in December, the average high-temperature is 23.7°C (74.7°F), and the average low-temperature is 10.1°C (50.2°F).
What is the average humidity in December in Ballan?
The average relative humidity in December in Ballan is 65%.
How many days does it rain in December in Ballan?
In Ballan, Australia, in December, during 10.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated.
When it does not snow in Ballan?
January through April, June, November and December are months without snowfall in Ballan, Australia.
When are the longest days in Ballan?
December has the longest days of the year, with an average of 14h and 42min of daylight.
How many hours of daylight does Ballan have in December?
The average day length in December is 14h and 43min.
When are sunrise and sunset in December in Ballan?
In December, on the first day of the month, sunrise is at 5:55 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:47 pm AEDT.
What month has the most sunshine in Ballan?
The month with the most sunshine is December, with an average of 9h of sunshine.
How many hours of sunshine does Ballan have in December?
In Ballan, the average sunshine duration in December is 9h.
When is the highest UV index in Ballan?
The month with the highest UV index in Ballan, Australia, is December, with an average maximum UV index of 6.
What is the UV index intensity in December in Ballan?
The average daily maximum UV index in December in Ballan, Australia, is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Ballan, Australia
Average temperature in December
Ballan, Australia
  • Average high temperature in December: 23.7°C

The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (10.1°C).

  • Average low temperature in December: 10.1°C

The month with the highest average low temperature is February (12.5°C).
The coldest month (with the lowest average low temperature) is August (3.5°C).

Average pressure in December - Ballan, Australia
Average pressure in December
Ballan, Australia
  • Average pressure in December: 1012.7mbar

The month with the highest atmospheric pressure is June (1021.5mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

Average wind speed in December - Ballan, Australia
Average wind speed in December
Ballan, Australia
  • Average wind speed in December: 10km/h

The windiest month (with the highest average wind speed) is August (11.7km/h).
The calmest month (with the lowest average wind speed) is April (9.1km/h).

Average humidity in December - Ballan, Australia
Average humidity in December
Ballan, Australia
  • Average humidity in December: 65%

The months with the highest relative humidity are June and July (88%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December - Ballan, Australia
Average rainfall in December
Ballan, Australia
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is March (24mm).

Average rainfall days in December - Ballan, Australia
Average rainfall days in December
Ballan, Australia
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December - Ballan, Australia
Average snowfall in December
Ballan, Australia
  • Average snowfall in December: 0mm

The month with the highest snowfall is August (31mm).
The months with the least snowfall are January, February, March, April, June, November and December (0mm).

Average snowfall days in December - Ballan, Australia
Average snowfall days in December
Ballan, Australia
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is August (1.5 days).
The months with the least snowfall days are January, February, March, April and December (0 days).

Average daylight in December / Average sunshine in December - Ballan, Australia
Average daylight in December /
Average sunshine in December
Ballan, 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 0min

The month with the most sunshine is December (Average sunshine: 9h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 42min).

Average sunshine days in December - Ballan, Australia
Average sunshine days in December
Ballan, Australia
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (10.7 days).

Average UV index in December - Ballan, Australia
Average UV index in December
Ballan, 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 June and July (UV index 2).

Average cloud cover in December - Ballan, Australia
Average cloud cover in December
Ballan, Australia
  • Average cloud cover in December: 40

The month with the most cloud cover is June (Cloud cover 69).
The month with the least cloud cover is January (Cloud cover 32).

Average visibility in December - Ballan, Australia
Average visibility in December
Ballan, Australia
  • Average visibility in December: 9km

The months with the highest visibility are January, February and December (9km).
The month with the lowest visibility is June (6km).

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