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

December weather forecast and climate
Adelaide, Australia

Diciembre, the first month of the summer, in Adelaide, is still a warm month, with average temperature ranging between max 27°C (80.6°F) and min 15.6°C (60.1°F).

Temperature

In Diciembre, the average high-temperature is practically the same as in Noviembre - a still warm 27°C (80.6°F). In Diciembre, in Adelaide, the average low-temperature is 15.6°C (60.1°F).

Humidity

In Adelaide, the average relative humidity is 39%.

Rainfall

In Adelaide, during Diciembre, the rain falls for 7 days and regularly aggregates up to 28.6mm (1.13") of precipitation. Throughout the year, in Adelaide, there are 120.5 rainfall days, and 543.9mm (21.41") of precipitation is accumulated.

Sea temperature

In Diciembre, the average sea temperature 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 month with the longest days is Diciembre, with an average of 14.5h of daylight.

Sunshine

In Adelaide, Australia, the average sunshine is 9.5h.

UV index

Enero and Diciembre, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. 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.

What is the temperature in Diciembre in Adelaide?

The average high-temperature, in Diciembre, is 27°C (80.6°F), while the average low-temperature is 15.6°C (60.1°F).

What is the average humidity in Diciembre in Adelaide?

In Diciembre, the average relative humidity in Adelaide, Australia, is 39%.

How many days does it rain in Diciembre in Adelaide?

In Adelaide, Australia, during Diciembre, the rain falls for 7 days and regularly aggregates up to 28.6mm (1.13") of precipitation.

What is the sea temperature in Diciembre in Adelaide?

In Adelaide, the average seawater temperature in Diciembre 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).

When are the longest days in Adelaide?

Diciembre has the longest days of the year in Adelaide, with an average of 14.5h of daylight.

What is the average length of the day in Diciembre in Adelaide?

In Adelaide, Australia, the average length of the day in Diciembre is 14.5h.

How long on average sun shines in Diciembre in Adelaide?

The average sunshine in Diciembre in Adelaide, Australia, is 9.5h.

What are the months with the highest UV index in Adelaide?

Months with the highest UV index in Adelaide are Enero and Diciembre, with an average maximum UV index of 12.

What is the UV index reading in Diciembre in Adelaide?

The average daily maximum UV index in Diciembre in Adelaide is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in December - Adelaide, Australia
  • Average high temperature in December: 27°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 December: 15.6°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 December - Adelaide, Australia
  • Average humidity in December: 39%

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

Average rainfall in December - Adelaide, Australia
  • Average rainfall in December: 28.6mm

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 December - Adelaide, Australia
  • Average rainfall days in December: 7 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 December - Adelaide, Australia
  • Average sea temperature in December: 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 December / Average sunshine in December - Adelaide, Australia
  • Average daylight in December: 14.5h

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 December: 9.5h

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 December - Adelaide, Australia
  • Average UV index in December: 12

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).