January Weather in Saint Marys, Australia

Last updated: August 22, 2025

In Saint Marys, Australia, the average temperature in January hovers around 17°C (63°F), with a minimum of 11°C (51°F) and a maximum reaching 27°C (80°F). During this time, expect about 64 mm (2.5 in) of precipitation spread over 8 days, accompanied by an average humidity level of 76%.

January Temperature in Saint Marys

In January in Saint Marys, the average temperature is 17°C (63°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop to as low as 11°C (51°F). This mild climate makes Saint Marys an ideal destination for travelers seeking comfortable weather for outdoor activities.

January Weather in Saint Marys: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint Marys, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Marys, January typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (80°F) and lows dropping to around 11°C (51°F).

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

January Precipitation in Saint Marys

In Saint Marys in January, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

January Precipitation Trends in Saint Marys

The chart displays monthly precipitation patterns in Saint Marys, 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 Saint Marys, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Saint Marys

In Saint Marys in January humidity is 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.

January Average Humidity in Saint Marys

This chart illustrates the average monthly humidity levels in Saint Marys, 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 Saint Marys is approximately 76%, 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 Saint Marys

In Saint Marys in January, 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 Saint Marys.

Maximum UV Index Levels in Saint Marys for January

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

Data source: Saint Marys 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 Saint Marys Compares to Other Months

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

This table compares monthly weather conditions in Saint Marys, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	64 mm (2.5 inches)	76%	extreme
February Weather	16°C (62°F)	77 mm (3.0 inches)	74%	extreme
March Weather	16°C (61°F)	86 mm (3.4 inches)	76%	very high
April Weather	14°C (58°F)	38 mm (1.5 inches)	75%	high
May Weather	13°C (55°F)	43 mm (1.7 inches)	78%	moderate
June Weather	11°C (52°F)	59 mm (2.3 inches)	77%	low
July Weather	10°C (50°F)	32 mm (1.3 inches)	79%	low
August Weather	10°C (50°F)	47 mm (1.8 inches)	78%	moderate
September Weather	11°C (51°F)	53 mm (2.1 inches)	77%	high
October Weather	12°C (54°F)	92 mm (3.6 inches)	75%	very high
November Weather	13°C (56°F)	62 mm (2.5 inches)	76%	very high
December Weather	15°C (59°F)	95 mm (3.7 inches)	76%	extreme