December Weather in Goolwa South, Australia

Last updated: August 22, 2025

In Goolwa South, Australia, the average temperature in December is a comfortable 19°C (66°F), with a minimum dip to 8°C (47°F) and an occasional rise to a scorching 42°C (108°F). Expect 20 mm (0.8 in) of precipitation spread across about 5 days, while the average humidity hovers around a pleasant 46%.

December Temperature in Goolwa South

In December in Goolwa South, the average temperature is 19°C (66°F). The maximum can reach 42°C (108°F) and the minimum can be as low as 8°C (47°F). Be prepared for a wide range of temperatures, ensuring you pack both lightweight clothing for the heat and layers for cooler evenings.

December Weather in Goolwa South: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Goolwa South, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goolwa South, December typically has an average temperature of 19°C (66°F), with highs reaching up to 42°C (108°F) and lows dropping to around 8°C (47°F).

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

December Precipitation in Goolwa South

In Goolwa South in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.

December Precipitation Trends in Goolwa South

The chart displays monthly precipitation patterns in Goolwa South, 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 Goolwa South, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 5 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 Goolwa South

In Goolwa South in December humidity is 46%. With an average temperature of 19°C (66°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as long as you're prepared for occasional warmth and a gentle stickiness in the air.

December Average Humidity in Goolwa South

This chart illustrates the average monthly humidity levels in Goolwa South, 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 Goolwa South is approximately 46%, 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 Goolwa South

In Goolwa South 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 Goolwa South, you can check here.

Maximum UV Index Levels in Goolwa South for December

The chart shows the monthly maximum UV Index (UVI) for Goolwa South 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 Goolwa South typically reaches 14, which falls under the extreme exposure category.

Data source: Goolwa South 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 Goolwa South Compares to Other Months

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

This table compares monthly weather conditions in Goolwa South, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	17 mm (0.7 inches)	41%	extreme
February Weather	19°C (67°F)	19 mm (0.7 inches)	46%	extreme
March Weather	19°C (66°F)	12 mm (0.5 inches)	55%	extreme
April Weather	17°C (62°F)	29 mm (1.1 inches)	66%	very high
May Weather	13°C (56°F)	42 mm (1.7 inches)	73%	moderate
June Weather	11°C (52°F)	37 mm (1.5 inches)	76%	moderate
July Weather	11°C (52°F)	44 mm (1.7 inches)	76%	moderate
August Weather	11°C (52°F)	57 mm (2.3 inches)	70%	moderate
September Weather	13°C (55°F)	35 mm (1.4 inches)	65%	high
October Weather	15°C (59°F)	36 mm (1.4 inches)	51%	very high
November Weather	17°C (63°F)	36 mm (1.4 inches)	50%	extreme
December Weather	19°C (66°F)	20 mm (0.8 inches)	46%	extreme