January Weather in Marion, Australia

Last updated: August 22, 2025

In January, the average temperature in Marion, Australia hovers around 21°C (70°F). Temperatures can fluctuate, dropping to a refreshing 13°C (55°F) and soaring up to a scorching 39°C (103°F). During this month, you'll encounter approximately 16 mm (0.6 in) of precipitation over just 2 days, complemented by an average humidity of 41%.

January Temperature in Marion

In January in Marion, the average temperature is 21°C (70°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 13°C (55°F). This makes it an ideal time for travelers who enjoy warm weather with mild evenings.

January Weather in Marion: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, January typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (103°F) and lows dropping to around 13°C (55°F).

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

January Precipitation in Marion

In Marion in January, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

January Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Marion, January typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Marion

In Marion in January humidity is 41%. With an average temperature of 21°C (70°F), this humidity feels like a refreshing embrace, making it quite comfortable for traveling, as you can enjoy outdoor activities without feeling weighed down by excessive heat or stickiness.

January Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Marion is approximately 41%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Marion

In Marion in January, 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 Marion, you can check here.

Maximum UV Index Levels in Marion for January

The chart shows the monthly maximum UV Index (UVI) for Marion in January, 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 January, the maximum UV index in Marion typically reaches 14, which falls under the extreme exposure category.

Data source: Marion January 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 January Weather in Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	16 mm (0.6 inches)	41%	extreme
February Weather	20°C (69°F)	20 mm (0.8 inches)	46%	extreme
March Weather	19°C (67°F)	15 mm (0.6 inches)	55%	extreme
April Weather	17°C (64°F)	32 mm (1.3 inches)	66%	very high
May Weather	14°C (58°F)	61 mm (2.4 inches)	73%	moderate
June Weather	12°C (53°F)	54 mm (2.1 inches)	76%	moderate
July Weather	11°C (53°F)	68 mm (2.7 inches)	76%	moderate
August Weather	11°C (52°F)	75 mm (2.9 inches)	70%	moderate
September Weather	13°C (55°F)	44 mm (1.7 inches)	65%	high
October Weather	15°C (59°F)	38 mm (1.5 inches)	51%	very high
November Weather	17°C (63°F)	38 mm (1.5 inches)	50%	extreme
December Weather	19°C (67°F)	17 mm (0.7 inches)	46%	extreme