December weather forecastAdelaide Lead, Australia

December

Weather in December

December, the first month of the summer in Adelaide Lead, is also a moderately hot month, with an average temperature fluctuating between 12.5°C (54.5°F) and 26.7°C (80.1°F).

Temperature

In Adelaide Lead, the onset of December comes with a modest high-temperature shift, transitioning from November's warm 23.5°C (74.3°F) to a still moderately hot 26.7°C (80.1°F). Adelaide Lead's average nighttime temperature descends significantly from the day's peak in December, settling at a cool 12.5°C (54.5°F).

Humidity

In December, the average relative humidity is 55%.

Rainfall

In Adelaide Lead, in December, during 7.9 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, in Adelaide Lead, there are 116.9 rainfall days, and 324mm (12.76") of precipitation is accumulated.

Snowfall

January through July, September through December are months without snowfall.

Daylight

The month with the longest days is December, with an average of 14h and 42min of daylight.
On the first day of December in Adelaide Lead, sunrise is at 5:58 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:48 pm AEDT.

Sunshine

The month with the most sunshine is December, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index in Adelaide Lead are January, February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

Adelaide Lead in December has an average high-temperature of 26.7°C (80.1°F) and an average low-temperature of 12.5°C (54.5°F). In February, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 29°C (84.2°F).

The average relative humidity in December in Adelaide Lead, Australia, is 55%.

In Adelaide Lead, in December, during 7.9 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

In Adelaide Lead, snow does not fall in January through July, September through December.

December has the longest days of the year in Adelaide Lead, with an average of 14h and 42min of daylight.

In Adelaide Lead, the average day length in December is 14h and 40min.

In December, on the first day of the month, sunrise is at 5:58 am and sunset at 8:29 pm. On the last day of the month, in Adelaide Lead, Australia, sunrise is at 6:08 am and sunset at 8:48 pm AEDT.

The month with the most sunshine in Adelaide Lead, Australia, is December, with an average of 9.9h of sunshine.

The average sunshine duration in December in Adelaide Lead, Australia, is 9.9h.

The months with the highest UV index in Adelaide Lead, Australia, are January, February and December, with an average maximum UV index of 6.

In Adelaide Lead, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Adelaide Lead, Australia

  • Average high temperature in December: 26.7°C

The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (11.3°C).

  • Average low temperature in December: 12.5°C

The month with the highest average low temperature is January (14.6°C).
The coldest month (with the lowest average low temperature) is August (3.7°C).

Average pressure in December
Adelaide Lead, Australia

  • Average pressure in December: 1012.4mbar

The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).

Average wind speed in December
Adelaide Lead, Australia

  • Average wind speed in December: 11.3km/h

The windiest month (with the highest average wind speed) is August (11.7km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).

Average humidity in December
Adelaide Lead, Australia

  • Average humidity in December: 55%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (50%).

Average rainfall in December
Adelaide Lead, Australia

  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is March (20mm).

Average rainfall days in December
Adelaide Lead, Australia

  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is August (13.7 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in December
Adelaide Lead, Australia

  • Average snowfall in December: 0mm

The month with the highest snowfall is August (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).

Average snowfall days in December
Adelaide Lead, Australia

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Adelaide Lead, Australia

  • Average daylight in December: 14h and 42min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 42min).

  • Average sunshine in December: 9h and 54min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The months with the least sunshine are July and August (Average sunshine: 6h and 12min).

Average sunshine days in December
Adelaide Lead, Australia

  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (13.5 days).

Average UV index in December
Adelaide Lead, Australia

  • Average UV index in December: 6

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

Average cloud cover in December
Adelaide Lead, Australia

  • Average cloud cover in December: 24

The month with the most cloud cover is July (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in December
Adelaide Lead, Australia

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are June, July and August (7km).