December weather forecastYallunda Flat, Australia

December

Weather in December

December, the first month of the summer in Yallunda Flat, is also an agreeable month, with an average temperature varying between 21.9°C (71.4°F) and 16.5°C (61.7°F).

Temperature

Yallunda Flat starts December with an average high-temperature of a still agreeable 21.9°C (71.4°F), a minor shift from November's 20.1°C (68.2°F). During the nights in December, Yallunda Flat observes an average low-temperature of 16.5°C (61.7°F).

Humidity

December is the least humid month, with an average relative humidity of 65%.

Rainfall

In Yallunda Flat, in December, during 8.2 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Yallunda Flat, during the entire year, the rain falls for 139 days and collects up to 280mm (11.02") of precipitation.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 6:07 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:41 pm ACDT.

Sunshine

The average sunshine in December is 8.7h.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 during December translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The high-temperature, in December, in Yallunda Flat, records 21.9°C (71.4°F), while the low-temperature is 16.5°C (61.7°F).

December is the least humid month, with an average relative humidity of 65%.

The average relative humidity in December is 65%.

In Yallunda Flat, in December, during 8.2 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

December has the longest days of the year, with an average of 14h and 24min of daylight.

In December, the average day length is 14h and 25min.

In December, on the first day of the month, sunrise is at 6:07 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:41 pm ACDT.

In Yallunda Flat, the average sunshine duration in December is 8.7h.

The months with the highest UV index are January and December, with an average maximum UV index of 6.

In December, the average daily maximum UV index 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yallunda Flat, Australia

  • Average high temperature in December: 21.9°C

The warmest month (with the highest average high temperature) is January (23.7°C).
The month with the lowest average high temperature is July (15.2°C).

  • Average low temperature in December: 16.5°C

The month with the highest average low temperature is February (18.4°C).
The coldest month (with the lowest average low temperature) is August (11.4°C).

Average pressure in December
Yallunda Flat, Australia

  • Average pressure in December: 1013.6mbar

The month with the highest atmospheric pressure is June (1021.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).

Average wind speed in December
Yallunda Flat, Australia

  • Average wind speed in December: 20km/h

The windiest month (with the highest average wind speed) is August (23.3km/h).
The calmest month (with the lowest average wind speed) is April (18.3km/h).

Average humidity in December
Yallunda Flat, Australia

  • Average humidity in December: 65%

The months with the highest relative humidity are July, August and September (70%).
The month with the lowest relative humidity is December (65%).

Average rainfall in December
Yallunda Flat, Australia

  • Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is February (11mm).

Average rainfall days in December
Yallunda Flat, Australia

  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (5.8 days).

Average daylight in December /
Average sunshine in December
Yallunda Flat, Australia

  • Average daylight in December: 14h and 24min

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: 8h and 42min

The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

Average sunshine days in December
Yallunda Flat, Australia

  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (9.6 days).

Average UV index in December
Yallunda Flat, Australia

  • Average UV index in December: 6

The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).

Average cloud cover in December
Yallunda Flat, Australia

  • Average cloud cover in December: 27

The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).

Average visibility in December
Yallunda Flat, 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).