August Weather in Onslow, Australia

Last updated: August 22, 2025

In Onslow, Australia, the average temperature in August hovers around 21°C (70°F). Expect a minimum of 10°C (50°F) and a maximum of 35°C (95°F), providing a diverse range for outdoor activities. Precipitation is minimal, with only 2 mm (0.1 in) expected over the course of 0 days, and the average humidity rests comfortably at 65%.

August Temperature in Onslow

In August in Onslow, the average temperature is 21°C (70°F). Maximum temperatures can reach as high as 35°C (95°F), while minimums can dip to 10°C (50°F). It's a great time for travelers to enjoy pleasant weather while exploring both outdoor activities and local attractions.

August Weather in Onslow: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Onslow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onslow, August typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Onslow

In Onslow in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in Onslow

The chart displays monthly precipitation patterns in Onslow, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Onslow, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Onslow

In Onslow in August humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

August Average Humidity in Onslow

This chart illustrates the average monthly humidity levels in Onslow, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Onslow is approximately 65%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Onslow

In Onslow in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Onslow.

Maximum UV Index Levels in Onslow for August

The chart shows the monthly maximum UV Index (UVI) for Onslow in August, 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 August, the maximum UV index in Onslow typically reaches 10, which falls under the very high exposure category.

Data source: Onslow August 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 August Weather in Onslow Compares to Other Months

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

This table compares monthly weather conditions in Onslow, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	31°C (88°F)	10 mm (0.4 inches)	83%	extreme
February Weather	30°C (87°F)	25 mm (1.0 inches)	82%	extreme
March Weather	31°C (88°F)	37 mm (1.5 inches)	77%	extreme
April Weather	29°C (84°F)	15 mm (0.6 inches)	74%	extreme
May Weather	24°C (76°F)	18 mm (0.7 inches)	68%	very high
June Weather	20°C (69°F)	36 mm (1.4 inches)	64%	high
July Weather	20°C (68°F)	3 mm (0.1 inches)	61%	very high
August Weather	21°C (70°F)	2 mm (0.1 inches)	65%	very high
September Weather	24°C (75°F)	0 mm (0.0 inches)	67%	extreme
October Weather	25°C (78°F)	0 mm (0.0 inches)	74%	extreme
November Weather	27°C (81°F)	2 mm (0.1 inches)	75%	extreme
December Weather	30°C (86°F)	1 mm (0.0 inches)	81%	extreme