December weather forecast
Barossa, Australia

December

Weather in December

December, the first month of the summer in Barossa, is still a warm month, with an average temperature fluctuating between 15.7°C (60.3°F) and 26.4°C (79.5°F).

Temperature

With the onset of December, the average high-temperature stands at a still warm 26.4°C (79.5°F), closely aligned with November's 23.6°C (74.5°F). In the month of December, Barossa records a consistent average low-temperature of 15.7°C (60.3°F).

Humidity

In December, the average relative humidity is 54%.

Rainfall

In Barossa, in December, it is raining for 8.3 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 113.3 rainfall days, and 259mm (10.2") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 14h and 24min of daylight.
On the first day of December, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:30 pm ACDT.

Sunshine

December has the most sunshine of the year, with an average of 10.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 6 in December transforms into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the average December temperature?
In Barossa, in December, the average high-temperature is 26.4°C (79.5°F), and the average low-temperature is 15.7°C (60.3°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in February is estimated at 29°C (84.2°F).
What is the average humidity in December?
In Barossa, the average relative humidity in December is 54%.
How many days does it rain in December?
In Barossa, during December, the rain falls for 8.3 days and regularly aggregates up to 21mm (0.83") of precipitation.
When are the longest days?
The month with the longest days is December, with an average of 14h and 24min of daylight.
How many hours of daylight does Barossa have in December?
In Barossa, the average day length in December is 14h and 26min.
What time are sunrise and sunset in December in Barossa?
In December, on the first day of the month, sunrise is at 5:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:30 pm ACDT.
What month has the most sunshine?
December has the most sunshine of the year, with an average of 10.4h of sunshine.
How long on average sun shines in December?
In Barossa, the average sunshine duration in December is 10.4h.
What is the month with the highest UV index?
January, February and December, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in December?
In December, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Barossa, Australia
Average temperature in December
Barossa, Australia
  • Average high temperature in December: 26.4°C

The warmest month (with the highest average high temperature) is January (28.4°C).
The month with the lowest average high temperature is July (14.2°C).

  • Average low temperature in December: 15.7°C

The month with the highest average low temperature is January (17.4°C).
The coldest month (with the lowest average low temperature) is August (7.5°C).

Average pressure in December - Barossa, Australia
Average pressure in December
Barossa, Australia
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is June (1021.9mbar).
The month with the lowest atmospheric pressure is January (1012.2mbar).

Average wind speed in December - Barossa, Australia
Average wind speed in December
Barossa, Australia
  • Average wind speed in December: 12.7km/h

The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (11km/h).

Average humidity in December - Barossa, Australia
Average humidity in December
Barossa, Australia
  • Average humidity in December: 54%

The months with the highest relative humidity are June and July (75%).
The month with the lowest relative humidity is January (52%).

Average rainfall in December - Barossa, Australia
Average rainfall in December
Barossa, Australia
  • Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is August (34mm).
The driest months (with the least rainfall) are January and March (13mm).

Average rainfall days in December - Barossa, Australia
Average rainfall days in December
Barossa, Australia
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (5.6 days).

Average daylight in December / Average sunshine in December - Barossa, Australia
Average daylight in December /
Average sunshine in December
Barossa, Australia
  • Average daylight in December: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 10h and 2min

The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is August (Average sunshine: 7h and 12min).

Average sunshine days in December - Barossa, Australia
Average sunshine days in December
Barossa, Australia
  • Average sunshine days in December: 20 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is September (14.8 days).

Average UV index in December - Barossa, Australia
Average UV index in December
Barossa, Australia
  • Average UV index in December: 6

The months with the highest UV index are January, February and December (UV index 6).
The month with the lowest UV index is June (UV index 3).

Average cloud cover in December - Barossa, Australia
Average cloud cover in December
Barossa, Australia
  • Average cloud cover in December: 23

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in December - Barossa, Australia
Average visibility in December
Barossa, Australia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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