March Weather in Swansea, Australia

Last updated: August 22, 2025

In March, the average temperature in Swansea, Australia is a comfortable 15°C (60°F). However, you can expect a range, with minimum temperatures dropping to 3°C (38°F) and maximums reaching a warm 33°C (92°F). Rainfall amounts to approximately 66 mm (2.6 in) over 9 days, accompanied by a high average humidity of 77%, making it a season where you'll want to stay prepared for both sunshine and showers!

March Temperature in Swansea

In March in Swansea, the average temperature is 15°C (60°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 3°C (38°F). This diverse temperature range makes it advisable for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates March temperature patterns in Swansea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swansea, March typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).

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

March Precipitation in Swansea

In Swansea in March, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

March Precipitation Trends in Swansea

The chart displays monthly precipitation patterns in Swansea, 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 Swansea, March typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 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 Swansea

In Swansea in March, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.

March Average Humidity in Swansea

This chart illustrates the average monthly humidity levels in Swansea, 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 Swansea is approximately 77%, 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 Swansea

In Swansea in March, 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 Swansea.

Maximum UV Index Levels in Swansea for March

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

Data source: Swansea 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 Swansea Compares to Other Months

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

This table compares monthly weather conditions in Swansea, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	60 mm (2.4 inches)	76%	extreme
February Weather	16°C (60°F)	59 mm (2.3 inches)	73%	extreme
March Weather	15°C (60°F)	66 mm (2.6 inches)	77%	very high
April Weather	12°C (55°F)	37 mm (1.5 inches)	78%	high
May Weather	10°C (51°F)	45 mm (1.8 inches)	80%	moderate
June Weather	8°C (47°F)	54 mm (2.1 inches)	79%	low
July Weather	7°C (46°F)	25 mm (1.0 inches)	80%	low
August Weather	8°C (46°F)	48 mm (1.9 inches)	79%	moderate
September Weather	9°C (49°F)	44 mm (1.7 inches)	77%	high
October Weather	11°C (53°F)	88 mm (3.4 inches)	75%	very high
November Weather	14°C (57°F)	67 mm (2.7 inches)	76%	very high
December Weather	15°C (60°F)	72 mm (2.8 inches)	76%	extreme