March weather forecastSydney, Australia

March
Weather in March
The Sydney climate begins to transition in March as temperatures lower and rainfall increases. The pleasant temperatures maintain Sydney's appealing outdoor environment, despite the increasing frequency of showers. The month's unique trait is the copious amount of rainfall amounting to a peak of 129mm (5.08"). By comparison, the noticeable decline in daylight matches the fewer hours of sunshine, hinting towards the forthcoming autumn season. In essence, March serves as a bridge between the sweltering summer and the mild autumn.Temperature
The average high-temperature in Sydney during March is a still moderately hot 24.8°C (76.6°F), almost matching the conditions of the preceding month. Throughout the month of March, Sydney sees a steady low-temperature average of 17.6°C (63.7°F).Humidity
In March, the average relative humidity in Sydney is 62%.Rainfall
In Sydney, Australia, during March, the rain falls for 13.6 days and regularly aggregates up to 129mm (5.08") of precipitation. In Sydney, during the entire year, the rain falls for 143.4 days and collects up to 1212mm (47.72") of precipitation.Sea temperature
In March, the average sea temperature is 23.4°C (74.1°F).Note: Swimming in 23.4°C (74.1°F) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In March, the average length of the day is 12h and 18min.On the first day of March, sunrise is at 6:43 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:51 pm AEDT.
Sunshine
The average sunshine in March is 6.9h.UV index
In Sydney, the average daily maximum UV index in March is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 9 during March morphs into the following directions:
Taking safety measures is non-negotiable; skin and eyes can be swiftly affected if neglected. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. It's best to limit the time spent in direct sunlight, especially if you're susceptible to sunburn. Always use sunscreen with 30 SPF or more. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sydney, Australia
- Average high temperature in March: 24.8°C
The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in March: 17.6°C
The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average humidity in March
Sydney, Australia
- Average humidity in March: 62%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).
Average rainfall in March
Sydney, Australia
- Average rainfall in March: 129.2mm
The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the least rainfall) is September (68.3mm).
Average rainfall days in March
Sydney, Australia
- Average rainfall days in March: 13.6 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (10.4 days).
Average sea temperature in March
Sydney, Australia
- Average sea temperature in March: 23.4°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in March /
Average sunshine in March
Sydney, Australia
- Average daylight in March: 12h and 18min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in March: 6h and 54min
The months with the most sunshine are August, September, October and December (Average sunshine: 7h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average UV index in March
Sydney, Australia
- Average UV index in March: 9
The months with the highest UV index are January and December (UV index 12).
The month with the lowest UV index is June (UV index 2).





