December weather forecast
Sydney Olympic Park, Australia

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A lit walkway in the Sydney Olympic Park, Australia
A lit walkway in the Sydney Olympic Park, Australia

Weather in December

December, the first month of the summer in Sydney Olympic Park, is still a warm month, with temperature in the range of an average low of 17.9°C (64.2°F) and an average high of 27.4°C (81.3°F).

Temperature

The commencement of December notes an average high-temperature of a still warm 27.4°C (81.3°F), exhibiting little difference from the previous month. December's average low-temperature reading in Sydney Olympic Park settles at a comfortable 17.9°C (64.2°F).

Heat index

The heat index value for December is appraised at 28°C (82.4°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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

In December, the average relative humidity is 50%.

Rainfall

In December, in Sydney Olympic Park, the rain falls for 9.3 days. Throughout December, 58mm (2.28") of precipitation is accumulated. In Sydney Olympic Park, during the entire year, the rain falls for 117.6 days and collects up to 885mm (34.84") of precipitation.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year in Sydney Olympic Park.
On the first day of December, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.
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Frequently asked questions

What is the usual temperature for Sydney Olympic Park in December?

An average high-temperature, in December, in Sydney Olympic Park, is 27.4°C (81.3°F) and the average low-temperature is 17.9°C (64.2°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 28°C (82.4°F).

What is the average humidity in December in Sydney Olympic Park?

In December, the average relative humidity in Sydney Olympic Park is 50%.

How much does it rain in Sydney Olympic Park in December?

In Sydney Olympic Park, in December, it is raining for 9.3 days, with typically 58mm (2.28") of accumulated precipitation.

When are the longest days in Sydney Olympic Park?

The month with the longest days in Sydney Olympic Park, Australia, is December, with an average of 14h and 24min of daylight.

How many hours of daylight does Sydney Olympic Park have in December?

In Sydney Olympic Park, Australia, the average day length in December is 14h and 22min.

When is the sunrise / sunset in December in Sydney Olympic Park?

On the first day of December, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.

Average temperature in December
Sydney Olympic Park, Australia

Average temperature in December - Sydney Olympic Park, Australia
  • Average high temperature in December: 27.4°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 (17.6°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is February (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.8°C).

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Average humidity in December
Sydney Olympic Park, Australia

Average humidity in December - Sydney Olympic Park, Australia
  • Average humidity in December: 50%

The month with the highest relative humidity is February (55%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in December
Sydney Olympic Park, Australia

Average rainfall in December - Sydney Olympic Park, Australia
  • Average rainfall in December: 58mm

The wettest month (with the highest rainfall) is February (109.8mm).
The driest month (with the least rainfall) is September (52.7mm).

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Average rainfall days in December
Sydney Olympic Park, Australia

Average rainfall days in December - Sydney Olympic Park, Australia
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is November (11.7 days).
The month with the least rainy days is August (7.8 days).

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Average daylight in December
Sydney Olympic Park, Australia

Average daylight in December - Sydney Olympic Park, 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).

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Sydney Olympic Park, Australia

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