Sydney
Australia
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Sydney, Australia

The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
The landmarks of the city of Sydney, Australia viewed from above the vast Parramatta River
April, the same as March, in Sydney, Australia, is another pleasant autumn month, with average temperature varying between 14.7°C (58.5°F) and 22.4°C (72.3°F).

Temperature

In Sydney, Australia, the average high-temperature is essentially the same as in March - an agreeable 22.4°C (72.3°F). In Sydney, the average low-temperature is 14.7°C (58.5°F).

Humidity

The average relative humidity in April is 59%.

Rainfall

In Sydney, during April, the rain falls for 12.8 days and regularly aggregates up to 128.6mm (5.1") of precipitation. Throughout the year, there are 143.4 rainfall days, and 1212.1mm (47.7") of precipitation is accumulated.

Sea temperature

In Sydney, the average seawater temperature is 22.8°C (73°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.8°C (73°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In April, the average length of the day is 11.3h.

Sunshine

In Sydney, the average sunshine in April is 6.9h.

UV index

The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the average person.
In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in April in Sydney?

The average high-temperature, in April, is 22.4°C (72.3°F), while the average low-temperature is 14.7°C (58.5°F).

What is the average humidity in April in Sydney?

In Sydney, the average relative humidity in April is 59%.

How many days does it rain in April in Sydney?

In Sydney, Australia, during April, the rain falls for 12.8 days and regularly aggregates up to 128.6mm (5.1") of precipitation.

What is the water temperature in April in Sydney?

In April, the average sea temperature is 22.8°C (73°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.8°C (73°F) water.

How many hours of daylight does Sydney have in April?

The average length of the day in April is 11.3h.

How many hours of sunshine does Sydney have in April?

The average sunshine in April is 6.9h.

How high is the UV index in April in Sydney?

In Sydney, Australia, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in April - Sydney, Australia
  • Average high temperature in April: 22.4°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 April: 14.7°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 April - Sydney, Australia
  • Average humidity in April: 59%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).

Average rainfall in April - Sydney, Australia
  • Average rainfall in April: 128.6mm

The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the lowest rainfall) is September (68.3mm).

Average rainfall days in April - Sydney, Australia
  • Average rainfall days in April: 12.8 days

The month with the highest number of rainy days is March (13.6 days).
The month with the lowest number of rainy days is August (10.4 days).

Average sea temperature in April - Sydney, Australia
  • Average sea temperature in April: 22.8°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 April / Average sunshine in April - Sydney, Australia
  • Average daylight in April: 11.3h

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).

  • Average sunshine in April: 6.9h

Months with most sunshine are August, September, October and December (Average sunshine: 7.9h).
The month with least sunshine is June (Average sunshine: 5.9h).

Average UV index in April - Sydney, Australia
  • Average UV index in April: 6

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).