December Weather in Riverton, Australia

Last updated: August 22, 2025

In December, the average temperature in Riverton, Australia is a pleasant 21°C (70°F). Expect a range between a cool 8°C (46°F) and a scorching 43°C (110°F). Additionally, you can anticipate 15 mm (0.6 in) of precipitation over about 4 days, paired with an average humidity of 46%.

December Temperature in Riverton

In December in Riverton, the average temperature is 21°C (70°F), with maximums that can reach 43°C (110°F) and minimums that can be as low as 8°C (46°F). Be sure to pack accordingly and prepare for a wide range of conditions during your travels!

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

The chart illustrates December temperature patterns in Riverton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverton, December typically has an average temperature of 21°C (70°F), with highs reaching up to 43°C (110°F) and lows dropping to around 8°C (46°F).

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

December Precipitation in Riverton

In Riverton in December, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

December Precipitation Trends in Riverton

The chart displays monthly precipitation patterns in Riverton, 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 Riverton, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 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 Riverton

In Riverton in December humidity is 46%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant and comfortable environment for traveling, allowing for enjoyable explorations without feeling overly sticky or muggy.

December Average Humidity in Riverton

This chart illustrates the average monthly humidity levels in Riverton, 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 Riverton 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 Riverton

In Riverton in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Riverton.

Maximum UV Index Levels in Riverton for December

The chart shows the monthly maximum UV Index (UVI) for Riverton 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 Riverton typically reaches 15, which falls under the extreme exposure category.

Data source: Riverton 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 Riverton Compares to Other Months

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

This table compares monthly weather conditions in Riverton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	14 mm (0.6 inches)	41%	extreme
February Weather	21°C (70°F)	20 mm (0.8 inches)	46%	extreme
March Weather	20°C (68°F)	9 mm (0.4 inches)	55%	extreme
April Weather	17°C (63°F)	24 mm (1.0 inches)	66%	very high
May Weather	13°C (55°F)	31 mm (1.2 inches)	73%	moderate
June Weather	10°C (50°F)	35 mm (1.4 inches)	76%	moderate
July Weather	10°C (50°F)	41 mm (1.6 inches)	76%	moderate
August Weather	10°C (50°F)	54 mm (2.1 inches)	70%	moderate
September Weather	12°C (54°F)	33 mm (1.3 inches)	65%	very high
October Weather	15°C (60°F)	34 mm (1.3 inches)	51%	very high
November Weather	18°C (65°F)	35 mm (1.4 inches)	50%	extreme
December Weather	21°C (70°F)	15 mm (0.6 inches)	46%	extreme