December Weather in Willyung, Australia

Last updated: August 22, 2025

In December, the average temperature in Willyung, Australia is a pleasant 17°C (63°F). Expect a range from a cool 11°C (51°F) to a warm 32°C (89°F). The month typically sees 19 mm (0.8 in) of precipitation over about 3 days, with an average humidity of 69%. Perfect for exploring or relaxing outdoors!

December Temperature in Willyung

In December, in Willyung, the average temperature is 17°C (63°F), with maximums reaching up to 32°C (89°F) and minimums dipping as low as 11°C (51°F). This makes Willyung an ideal destination for travelers seeking mild weather and comfortable conditions for outdoor activities.

December Weather in Willyung: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Willyung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willyung, December typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (89°F) and lows dropping to around 11°C (51°F).

Data source: Temperature data for Willyung generated using information from the Copernicus Climate Change Service.

December Precipitation in Willyung

In Willyung in December, the precipitation amount averaged 19 mm (0.8 in) over a span of 3 days.

December Precipitation Trends in Willyung

The chart displays monthly precipitation patterns in Willyung, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Willyung, December typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Willyung

In Willyung in December, humidity is 69%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities feel slightly heavier, yet still comfortable for exploring.

December Average Humidity in Willyung

This chart illustrates the average monthly humidity levels in Willyung, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Willyung is approximately 69%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Willyung

In Willyung in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Willyung, you can check here.

Maximum UV Index Levels in Willyung for December

The chart shows the monthly maximum UV Index (UVI) for Willyung in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Willyung typically reaches 14, which falls under the extreme exposure category.

Data source: Willyung December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Willyung Compares to Other Months

Weather in Willyung varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Willyung, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Willyung, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	15 mm (0.6 inches)	70%	extreme
February Weather	19°C (66°F)	33 mm (1.3 inches)	71%	extreme
March Weather	18°C (66°F)	37 mm (1.5 inches)	73%	extreme
April Weather	17°C (63°F)	30 mm (1.2 inches)	76%	very high
May Weather	15°C (59°F)	43 mm (1.7 inches)	74%	moderate
June Weather	13°C (56°F)	46 mm (1.8 inches)	76%	moderate
July Weather	12°C (54°F)	58 mm (2.3 inches)	76%	moderate
August Weather	12°C (54°F)	82 mm (3.2 inches)	75%	moderate
September Weather	13°C (56°F)	55 mm (2.2 inches)	74%	high
October Weather	14°C (58°F)	36 mm (1.4 inches)	70%	very high
November Weather	15°C (60°F)	32 mm (1.3 inches)	68%	extreme
December Weather	17°C (63°F)	19 mm (0.8 inches)	69%	extreme