Adelaide
Australia
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Adelaide, Australia

April, like March, is another pleasant autumn month in Adelaide, Australia, with average temperature fluctuating between 12.4°C (54.3°F) and 22.7°C (72.9°F).

Temperature

In April, the average high-temperature marginally drops, from a moderately hot 26.4°C (79.5°F) in March, to an agreeable 22.7°C (72.9°F). In April, the average low-temperature is 12.4°C (54.3°F).

Humidity

The average relative humidity in Adelaide, Australia, is 47%.

Rainfall

In Adelaide, Australia, in April, during 8 rainfall days, 39.6mm (1.6") of precipitation is typically accumulated. In Adelaide, during the entire year, the rain falls for 120.5 days and collects up to 543.9mm (21.4") of precipitation.

Sea temperature

In Adelaide, the average seawater temperature in April is 18°C (64.4°F).
Note: For most, swimming in 18°C (64.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in April is 11.2h.

Sunshine

In Adelaide, the average sunshine is 7.3h.

UV index

In April, the average daily maximum UV index in Adelaide is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in April in Adelaide?

In Adelaide, in April, the average high-temperature is 22.7°C (72.9°F), and the average low-temperature is 12.4°C (54.3°F).

What is the average humidity in April in Adelaide?

The average relative humidity in April in Adelaide is 47%.

How much does it rain in Adelaide in April?

In Adelaide, Australia, in April, it is raining for 8 days, with typically 39.6mm (1.6") of accumulated precipitation.

What is the sea water temperature in April in Adelaide?

In April, the average sea temperature is 18°C (64.4°F). Swimming in 18°C (64.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Adelaide have in April?

In April, the average length of the day in Adelaide is 11.2h.

How many hours of sunshine does Adelaide have in April?

The average sunshine in April in Adelaide, Australia, is 7.3h.

What is the UV index reading in April in Adelaide?

The average daily maximum UV index in April in Adelaide, Australia, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in April - Adelaide, Australia
  • Average high temperature in April: 22.7°C

The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (15.3°C).

  • Average low temperature in April: 12.4°C

The month with the highest average low temperature is February (17.2°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

Average humidity in April - Adelaide, Australia
  • Average humidity in April: 47%

The month with the highest relative humidity is June (61%).
Months with the lowest relative humidity are January and February (36%).

Average rainfall in April - Adelaide, Australia
  • Average rainfall in April: 39.6mm

The wettest month (with the highest rainfall) is June (79.3mm).
The driest month (with the lowest rainfall) is February (13.5mm).

Average rainfall days in April - Adelaide, Australia
  • Average rainfall days in April: 8 days

The month with the highest number of rainy days is August (16.6 days).
The month with the lowest number of rainy days is February (3.6 days).

Average sea temperature in April - Adelaide, Australia
  • Average sea temperature in April: 18°C

The best month for swimming (with the highest average sea temperature) is February (20°C).
Coldest months (with the lowest average sea temperature) are August, September and October (15°C).

Average daylight in April / Average sunshine in April - Adelaide, Australia
  • Average daylight in April: 11.2h

The month with the longest days is December (Average daylight: 14.5h).
The month with shortest days is June (Average daylight: 9.8h).

  • Average sunshine in April: 7.3h

The month with most sunshine is January (Average sunshine: 10.5h).
The month with least sunshine is June (Average sunshine: 4.6h).

Average UV index in April - Adelaide, Australia
  • Average UV index in April: 5

Months with the highest UV index are January and December (UV index 12).
Months with the lowest UV index are June and July (UV index 2).