December weather forecast
Willow Tree, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Willow Tree, Australia, with an average temperature varying between 28.9°C (84°F) and 15.6°C (60.1°F).

Temperature

As Willow Tree transitions from November to December, the average high-temperatures adjust to a still moderately hot 28.9°C (84°F), nearly the same as the previous 27°C (80.6°F). Willow Tree, after hot December days, encounters a marked drop to an average nighttime temperature of 15.6°C (60.1°F).

Heat index

For December, the heat index is estimated at a tropical 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

With an average relative humidity of 63%, December is the least humid month.

Rainfall

In December, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Willow Tree, Australia, during the entire year, the rain falls for 124.2 days and collects up to 409mm (16.1") of precipitation.

Daylight

December has the longest days of the year in Willow Tree, with an average of 14h and 12min of daylight.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:47 pm. On the last day of December, sunrise is at 5:54 am and sunset at 8:05 pm AEDT.

Sunshine

December has the most sunshine of the year in Willow Tree, Australia, with an average of 10.4h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during December translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

How hot does it get in December?
The high-temperature during December is 28.9°C (84°F) and the low-temperature is 15.6°C (60.1°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in December is estimated at 31°C (87.8°F).
What is the least humid month?
December is the least humid month, with an average relative humidity of 63%.
What is the average humidity in December?
In December, the average relative humidity is 63%.
How much does it rain in December?
In Willow Tree, in December, it is raining for 11.7 days, with typically 43mm (1.69") of accumulated precipitation.
When are the longest days?
December has the longest days of the year, with an average of 14h and 12min of daylight.
What is the average length of the day in December?
In December, the average day length is 14h and 10min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 5:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:05 pm AEDT.
What month has the most sunshine?
The month with the most sunshine is December, with an average of 10.4h of sunshine.
How many hours of sunshine does Willow Tree have in December?
In Willow Tree, the average sunshine duration in December is 10.4h.
When is the highest UV index?
The months with the highest UV index in Willow Tree are January, February, November and December, with an average maximum UV index of 6.
What is the UV index reading in December?
The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Willow Tree, Australia
  • Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in December: 15.6°C

The month with the highest average low temperature is January (17.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).

Average pressure in December
Willow Tree, Australia
  • Average pressure in December: 1013.1mbar

The months with the highest atmospheric pressure are June and July (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).

Average wind speed in December
Willow Tree, Australia
  • Average wind speed in December: 7.8km/h

The windiest month (with the highest average wind speed) is September (8km/h).
The calmest months (with the lowest average wind speed) are April and May (6.3km/h).

Average humidity in December
Willow Tree, Australia
  • Average humidity in December: 63%

The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is December (63%).

Average rainfall in December
Willow Tree, Australia
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is May (17mm).

Average rainfall days in December
Willow Tree, Australia
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is May (8.3 days).

Average daylight in December /
Average sunshine in December
Willow Tree, Australia
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • 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 June (Average sunshine: 5h and 42min).

Average sunshine days in December
Willow Tree, Australia
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is May (20.4 days).
The month with the least sunshine days is February (15.6 days).

Average UV index in December
Willow Tree, Australia
  • Average UV index in December: 6

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

Average cloud cover in December
Willow Tree, Australia
  • Average cloud cover in December: 34

The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in December
Willow Tree, Australia
  • Average visibility in December: 9km

The months with the highest visibility are January and December (9km).
The months with the lowest visibility are April, June and July (7km).

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