December Weather in South Arm, Australia

Last updated: August 22, 2025

In South Arm, Australia, the average temperature in December hovers around 15°C (59°F). While the mercury can dip as low as 7°C (45°F), it can also peak at a warm 33°C (91°F). Visitors can expect around 66 mm (2.6 in) of precipitation over 11 days, coupled with an average humidity of 70%, making for a diverse and vibrant climate experience.

December Temperature in South Arm

In December in South Arm, the average temperature is 15°C (59°F). Maximums can reach 33°C (91°F), and minimums can be as low as 7°C (45°F). It's a great time to visit South Arm if you enjoy mild weather with the possibility of warm sunny days and cool evenings.

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

The chart illustrates December temperature patterns in South Arm, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Arm, December typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

December Precipitation in South Arm

In South Arm in December, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

December Precipitation Trends in South Arm

The chart displays monthly precipitation patterns in South Arm, 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 South Arm, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in South Arm

In South Arm in December, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

December Average Humidity in South Arm

This chart illustrates the average monthly humidity levels in South Arm, 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 South Arm is approximately 70%, 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 South Arm

In South Arm in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in South Arm.

Maximum UV Index Levels in South Arm for December

The chart shows the monthly maximum UV Index (UVI) for South Arm 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 South Arm typically reaches 13, which falls under the extreme exposure category.

Data source: South Arm 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 South Arm Compares to Other Months

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

This table compares monthly weather conditions in South Arm, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	44 mm (1.8 inches)	68%	extreme
February Weather	16°C (61°F)	50 mm (2.0 inches)	68%	extreme
March Weather	16°C (60°F)	71 mm (2.8 inches)	73%	very high
April Weather	13°C (56°F)	49 mm (1.9 inches)	81%	high
May Weather	11°C (52°F)	56 mm (2.2 inches)	86%	moderate
June Weather	9°C (49°F)	55 mm (2.2 inches)	85%	low
July Weather	9°C (48°F)	43 mm (1.7 inches)	86%	low
August Weather	9°C (48°F)	69 mm (2.7 inches)	84%	moderate
September Weather	10°C (51°F)	50 mm (2.0 inches)	82%	high
October Weather	12°C (53°F)	83 mm (3.3 inches)	77%	very high
November Weather	14°C (57°F)	65 mm (2.6 inches)	77%	very high
December Weather	15°C (59°F)	66 mm (2.6 inches)	70%	extreme