April Weather in Onslow, Australia

Last updated: August 22, 2025

In April, the average temperature in Onslow, Australia is a warm 29°C (84°F), making it a great time to enjoy the outdoors. Expect the minimum temperature to drop to 18°C (64°F), while the maximum can reach a sizzling 41°C (105°F). Additionally, there’s an average precipitation of 15 mm (0.6 in) spread over just 1 day, and with an average humidity of 74%, the air can feel quite tropical!

April Temperature in Onslow

In April in Onslow, the average temperature is 29°C (84°F). Maximum can reach 41°C (105°F) and minimum can be as low as 18°C (64°F). Travelers should be prepared for warm days and cooler evenings, making it essential to pack accordingly.

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

The chart illustrates April 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, April typically has an average temperature of 29°C (84°F), with highs reaching up to 41°C (105°F) and lows dropping to around 18°C (64°F).

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

April Precipitation in Onslow

In Onslow in April, the precipitation amount is 15 mm (0.6 in) over the course of 1 day.

April Precipitation Trends in Onslow

The chart displays monthly precipitation patterns in Onslow, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Onslow, April typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 1 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Onslow

In Onslow in April humidity is 74%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket wrapping around you, making it essential to stay hydrated and take frequent breaks in the shade while exploring.

April Average Humidity in Onslow

This chart illustrates the average monthly humidity levels in Onslow, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Onslow is approximately 74%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Onslow

In Onslow in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Onslow.

Maximum UV Index Levels in Onslow for April

The chart shows the monthly maximum UV Index (UVI) for Onslow in April, 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 April, the maximum UV index in Onslow typically reaches 11, which falls under the extreme exposure category.

Data source: Onslow April 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 April 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 April’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 April’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