January Weather in Glenbrook, Australia

Last updated: August 22, 2025

In Glenbrook, Australia, the average temperature in January hovers around 22°C (72°F), making it a pleasant time to visit. However, be prepared for extremes, as temperatures can dip to a chilly 9°C (49°F) and soar to a scorching 41°C (106°F). Expect about 79 mm (3.1 in) of precipitation over 14 days, with the average humidity lingering at 65%. Plan accordingly to enjoy everything this destination has to offer!

January Temperature in Glenbrook

In January in Glenbrook, the average temperature is 22°C (72°F). Maximum temperatures can reach 41°C (106°F), while minimums can dip as low as 9°C (49°F). Be prepared for a wide range of temperatures when traveling to Glenbrook this month, bringing both summer and cooler attire.

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

The chart illustrates January temperature patterns in Glenbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenbrook, January typically has an average temperature of 22°C (72°F), with highs reaching up to 41°C (106°F) and lows dropping to around 9°C (49°F).

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

January Precipitation in Glenbrook

In Glenbrook in January, the total precipitation amount is 79 mm (3.1 in) over a span of 14 days.

January Precipitation Trends in Glenbrook

The chart displays monthly precipitation patterns in Glenbrook, 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 Glenbrook, January typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 14 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 Glenbrook

In Glenbrook in January, humidity is 65%. With an average temperature of 22°C (72°F), this humidity feels like a warm, tropical embrace that can make outdoor activities quite sticky, yet still enjoyable if you stay hydrated and take breaks in the shade.

January Average Humidity in Glenbrook

This chart illustrates the average monthly humidity levels in Glenbrook, 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 Glenbrook is approximately 65%, 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 Glenbrook

In Glenbrook in January, 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 Glenbrook.

Maximum UV Index Levels in Glenbrook for January

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

Data source: Glenbrook 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 Glenbrook Compares to Other Months

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

This table compares monthly weather conditions in Glenbrook, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	79 mm (3.1 inches)	65%	extreme
February Weather	20°C (69°F)	160 mm (6.3 inches)	69%	extreme
March Weather	19°C (66°F)	221 mm (8.7 inches)	72%	extreme
April Weather	16°C (61°F)	28 mm (1.1 inches)	75%	very high
May Weather	12°C (54°F)	38 mm (1.5 inches)	74%	high
June Weather	10°C (49°F)	31 mm (1.2 inches)	72%	moderate
July Weather	9°C (49°F)	32 mm (1.2 inches)	68%	moderate
August Weather	10°C (50°F)	44 mm (1.7 inches)	67%	high
September Weather	13°C (55°F)	43 mm (1.7 inches)	63%	very high
October Weather	16°C (60°F)	86 mm (3.4 inches)	55%	extreme
November Weather	18°C (64°F)	124 mm (4.9 inches)	57%	extreme
December Weather	20°C (68°F)	122 mm (4.8 inches)	68%	extreme