March Weather in Onslow, Australia

Last updated: August 22, 2025

In March, the average temperature in Onslow, Australia is a warm 31°C (88°F), with minimums dipping to 22°C (72°F) and maximums soaring up to a sizzling 45°C (113°F). Expect about 37 mm (1.5 in) of precipitation spread over just 2 days, while the average humidity hovers around a sticky 77%.

March Temperature in Onslow

In March in Onslow, the average temperature is 31°C (88°F), with maximums reaching 45°C (113°F) and minimums dropping as low as 22°C (72°F). This warm climate makes Onslow an ideal destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates March 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, March typically has an average temperature of 31°C (88°F), with highs reaching up to 45°C (113°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec888788847568687075778186
Data source: Temperature data for Onslow generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Onslow

In Onslow in March, the precipitation amount is 37 mm (1.5 in) over a span of 2 days.

March Precipitation Trends in Onslow

The chart displays monthly precipitation patterns in Onslow, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Onslow, March typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec102537151836320021
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Onslow

In Onslow in March, humidity is 77%. With an average temperature of 31°C (88°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and exhausting as every step becomes labored in the thick, heavy air.

March Average Humidity in Onslow

This chart illustrates the average monthly humidity levels in Onslow, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Onslow is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%77%74%68%64%61%65%67%74%75%81%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Onslow

In Onslow in March, 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 Onslow.

Maximum UV Index Levels in Onslow for March

The chart shows the monthly maximum UV Index (UVI) for Onslow in March, 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 March, the maximum UV index in Onslow typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513118781013141515
Data source: Onslow March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather31°C (88°F)10 mm (0.4 inches)83%extreme
February Weather30°C (87°F)25 mm (1.0 inches)82%extreme
March Weather31°C (88°F)37 mm (1.5 inches)77%extreme
April Weather29°C (84°F)15 mm (0.6 inches)74%extreme
May Weather24°C (76°F)18 mm (0.7 inches)68%very high
June Weather20°C (69°F)36 mm (1.4 inches)64%high
July Weather20°C (68°F)3 mm (0.1 inches)61%very high
August Weather21°C (70°F)2 mm (0.1 inches)65%very high
September Weather24°C (75°F)0 mm (0.0 inches)67%extreme
October Weather25°C (78°F)0 mm (0.0 inches)74%extreme
November Weather27°C (81°F)2 mm (0.1 inches)75%extreme
December Weather30°C (86°F)1 mm (0.0 inches)81%extreme

Compare Onslow's Climate with Cities Worldwide