March Weather in Casterton, Australia

Last updated: August 22, 2025

In Casterton, Australia, the average temperature in March is a comfortable 18°C (64°F). However, be prepared for a bit of a weather swing, with minimum temperatures dropping to 4°C (39°F) and maximums soaring up to 39°C (102°F). Expect some rainfall, as the city receives approximately 23 mm (0.9 in) of precipitation over about 5 days. The average humidity hovers around 57%, adding a touch of moisture to the air.

March Temperature in Casterton

In March in Casterton, the average temperature is 18°C (64°F), with maximums reaching 39°C (102°F) and minimums dipping as low as 4°C (39°F). This variety in temperatures makes it important for travelers to pack accordingly for both warm and cool conditions.

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

The chart illustrates March temperature patterns in Casterton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casterton, March typically has an average temperature of 18°C (64°F), with highs reaching up to 39°C (102°F) and lows dropping to around 4°C (39°F).

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

March Precipitation in Casterton

In Casterton in March, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.

March Precipitation Trends in Casterton

The chart displays monthly precipitation patterns in Casterton, 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 Casterton, March typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Casterton

In Casterton in March, humidity is 57%. With an average temperature of 18°C (64°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as long as you stay hydrated and enjoy light, breathable clothing.

March Average Humidity in Casterton

This chart illustrates the average monthly humidity levels in Casterton, 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 Casterton is approximately 57%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Casterton

In Casterton in March, 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 Casterton.

Maximum UV Index Levels in Casterton for March

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

Data source: Casterton 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 Casterton Compares to Other Months

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

This table compares monthly weather conditions in Casterton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	26 mm (1.0 inches)	45%	extreme
February Weather	18°C (65°F)	23 mm (0.9 inches)	49%	extreme
March Weather	18°C (64°F)	23 mm (0.9 inches)	57%	extreme
April Weather	14°C (58°F)	37 mm (1.5 inches)	67%	high
May Weather	11°C (52°F)	67 mm (2.7 inches)	75%	moderate
June Weather	9°C (48°F)	44 mm (1.7 inches)	79%	moderate
July Weather	8°C (47°F)	73 mm (2.9 inches)	80%	moderate
August Weather	9°C (48°F)	73 mm (2.9 inches)	75%	moderate
September Weather	10°C (51°F)	66 mm (2.6 inches)	69%	high
October Weather	12°C (55°F)	63 mm (2.5 inches)	59%	very high
November Weather	15°C (60°F)	57 mm (2.3 inches)	56%	extreme
December Weather	17°C (63°F)	35 mm (1.4 inches)	50%	extreme