December weather forecast
Rooty Hill, Australia

December

Weather in December

December, the first month of the summer in Rooty Hill, is still a warm month, with an average temperature fluctuating between 16.6°C (61.9°F) and 28°C (82.4°F).

Temperature

December's presence marks an average high-temperature of a still warm 28°C (82.4°F), subtly varied from November's 26.5°C (79.7°F). The low-temperature average for Rooty Hill during December stands at an enjoyable 16.6°C (61.9°F).

Heat index

The average heat index in December is appraised at a tropical 30°C (86°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In December, the average relative humidity is 68%.

Rainfall

In Rooty Hill, in December, during 11.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Rooty Hill, during the entire year, the rain falls for 130.1 days and collects up to 476mm (18.74") of precipitation.

Daylight

The month with the longest days in Rooty Hill is December, with an average of 14h and 24min of daylight.
On the first day of December in Rooty Hill, sunrise is at 5:38 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:10 pm AEDT.

Sunshine

The average sunshine in December in Rooty Hill is 9.6h.

UV index

The months with the highest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in December transforms into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

How hot is it in Rooty Hill in December?
During December, Rooty Hill experiences an average high-temperature of 28°C (82.4°F) and a low-temperature of 16.6°C (61.9°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is appraised at 30°C (86°F).
What is the average humidity in December in Rooty Hill?
In Rooty Hill, Australia, the average relative humidity in December is 68%.
How much does it rain in Rooty Hill in December?
In Rooty Hill, Australia, in December, during 11.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated.
When are the longest days in Rooty Hill?
December has the longest days of the year, with an average of 14h and 24min of daylight.
How many hours of daylight does Rooty Hill have in December?
In Rooty Hill, Australia, the average day length in December is 14h and 21min.
When is the sunrise / sunset in December in Rooty Hill?
In December, on the first day of the month, sunrise is at 5:38 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:10 pm AEDT.
How many hours of sunshine does Rooty Hill have in December?
In December, the average sunshine duration in Rooty Hill, Australia, is 9.6h.
When is the highest UV index in Rooty Hill?
The months with the highest UV index are January, February, October through December, with an average maximum UV index of 6.
How high is the UV index in December in Rooty Hill?
In Rooty Hill, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Rooty Hill, Australia
Average temperature in December
Rooty Hill, Australia
  • Average high temperature in December: 28°C

The warmest month (with the highest average high temperature) is January (29.6°C).
The months with the lowest average high temperature are June and July (16.6°C).

  • Average low temperature in December: 16.6°C

The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.3°C).

Average pressure in December - Rooty Hill, Australia
Average pressure in December
Rooty Hill, Australia
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is June (1021.1mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

Average wind speed in December - Rooty Hill, Australia
Average wind speed in December
Rooty Hill, Australia
  • Average wind speed in December: 8.9km/h

The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest month (with the lowest average wind speed) is April (7.8km/h).

Average humidity in December - Rooty Hill, Australia
Average humidity in December
Rooty Hill, Australia
  • Average humidity in December: 68%

The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is September (65%).

Average rainfall in December - Rooty Hill, Australia
Average rainfall in December
Rooty Hill, Australia
  • Average rainfall in December: 30mm

The wettest month (with the highest rainfall) is February (87mm).
The driest month (with the least rainfall) is May (23mm).

Average rainfall days in December - Rooty Hill, Australia
Average rainfall days in December
Rooty Hill, Australia
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is February (13.9 days).
The month with the least rainy days is May (7.3 days).

Average daylight in December / Average sunshine in December - Rooty Hill, Australia
Average daylight in December /
Average sunshine in December
Rooty Hill, 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: 9h and 4min

The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December - Rooty Hill, Australia
Average sunshine days in December
Rooty Hill, Australia
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is May (21.8 days).
The month with the least sunshine days is February (11.6 days).

Average UV index in December - Rooty Hill, Australia
Average UV index in December
Rooty Hill, Australia
  • Average UV index in December: 6

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

Average cloud cover in December - Rooty Hill, Australia
Average cloud cover in December
Rooty Hill, Australia
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December - Rooty Hill, Australia
Average visibility in December
Rooty Hill, Australia
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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