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March Weather in Sydney, Canada

Last updated: June 18, 2025

In March, the average temperature in Sydney, Canada hovers around -2°C (29°F). Expect temperatures to dip as low as -18°C (-1°F) and soar to a maximum of 12°C (53°F). During this time, the region receives about 118 mm (4.6 in) of precipitation spread over 12 days, contributing to an average humidity of 87%.

March Temperature in Sydney

In March in Sydney, the average temperature is -2°C (29°F), with maximums reaching 12°C (53°F) and minimums dropping as low as -18°C (-1°F). It’s advisable to prepare for a wide range of temperatures if you're planning to travel during this month.

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

The chart illustrates March temperature patterns in Sydney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sydney, March typically has an average temperature of -2°C (29°F), with highs reaching up to 12°C (53°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec272528374455646860514133
Data source: Temperature data for Sydney generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Sydney

In Sydney in March, the precipitation amount is 118 mm (4.6 in) spread over 12 days.

March Precipitation Trends in Sydney

The chart displays monthly precipitation patterns in Sydney, 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 Sydney, March typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec113131118140109102936893108182134
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Sydney

In Sydney in March humidity is 87%. With an average temperature of -2°C (29°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it challenging to enjoy outdoor activities.

March Average Humidity in Sydney

This chart illustrates the average monthly humidity levels in Sydney, 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 Sydney is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%87%87%88%89%91%90%86%82%83%83%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Sydney

In Sydney in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sydney.

Maximum UV Index Levels in Sydney for March

The chart shows the monthly maximum UV Index (UVI) for Sydney 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 Sydney typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910887532
Data source: Sydney 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 Sydney Compares to Other Months

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

This table compares monthly weather conditions in Sydney, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)113 mm (4.5 inches)86%low
February Weather-4°C (25°F)131 mm (5.2 inches)87%moderate
March Weather-2°C (29°F)118 mm (4.6 inches)87%moderate
April Weather3°C (37°F)140 mm (5.5 inches)87%high
May Weather7°C (45°F)109 mm (4.3 inches)88%very high
June Weather13°C (55°F)102 mm (4.0 inches)89%very high
July Weather18°C (64°F)93 mm (3.7 inches)91%very high
August Weather20°C (68°F)68 mm (2.7 inches)90%very high
September Weather16°C (60°F)93 mm (3.7 inches)86%high
October Weather10°C (51°F)108 mm (4.2 inches)82%moderate
November Weather5°C (42°F)182 mm (7.2 inches)83%moderate
December Weather0°C (33°F)134 mm (5.3 inches)83%low

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