December weather forecast
Mitchells Island, Australia

December

Weather in December

The first month of the summer, December, is still a warm month in Mitchells Island, Australia, with temperature in the range of an average high of 26.5°C (79.7°F) and an average low of 17.5°C (63.5°F).

Temperature

The transition from November to December sees average high-temperatures adjusting to a still warm 26.5°C (79.7°F), from a not significantly different 25.3°C (77.5°F). Throughout December, an average low-temperature of 17.5°C (63.5°F) is experienced.

Humidity

In Mitchells Island, the average relative humidity in December is 75%.

Rainfall

In Mitchells Island, in December, it is raining for 15.9 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 162.5 rainfall days, and 654mm (25.75") of precipitation is accumulated.

Daylight

With an average of 14h and 12min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 5:36 am and sunset at 7:40 pm. On the last day of December, in Mitchells Island, sunrise is at 5:46 am and sunset at 7:58 pm AEDT.

Sunshine

In Mitchells Island, the average sunshine in December is 9.4h.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during December leads to these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Mitchells Island in December?
In Mitchells Island, 26.5°C (79.7°F) is the average high-temperature and 17.5°C (63.5°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in January is computed to be 32°C (89.6°F).
What is the average humidity in December in Mitchells Island?
The average relative humidity in December in Mitchells Island, Australia, is 75%.
How many days does it rain in December in Mitchells Island?
In Mitchells Island, during December, the rain falls for 15.9 days and regularly aggregates up to 59mm (2.32") of precipitation.
When are the longest days in Mitchells Island?
With an average of 14h and 12min of daylight, December has the longest days of the year in Mitchells Island, Australia.
How many hours of daylight does Mitchells Island have in December?
In December, the average day length is 14h and 11min.
When are sunrise and sunset in December in Mitchells Island?
On the first day of December in Mitchells Island, Australia, sunrise is at 5:36 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:58 pm AEDT.
How many hours of sunshine does Mitchells Island have in December?
In December, the average sunshine duration in Mitchells Island, Australia, is 9.4h.
What are the months with the highest UV index in Mitchells Island?
January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Mitchells Island, Australia.
What is the UV index intensity in December in Mitchells Island?
In December, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Mitchells Island, Australia
  • Average high temperature in December: 26.5°C

The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (16.8°C).

  • Average low temperature in December: 17.5°C

The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).

Average pressure in December
Mitchells Island, Australia
  • Average pressure in December: 1013.5mbar

The months with the highest atmospheric pressure are June and July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in December
Mitchells Island, Australia
  • Average wind speed in December: 11.2km/h

The windiest month (with the highest average wind speed) is December (11.2km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).

Average humidity in December
Mitchells Island, Australia
  • Average humidity in December: 75%

The months with the highest relative humidity are March and June (80%).
The month with the lowest relative humidity is September (68%).

Average rainfall in December
Mitchells Island, Australia
  • Average rainfall in December: 59mm

The wettest month (with the highest rainfall) is March (96mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in December
Mitchells Island, Australia
  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (8.3 days).

Average daylight in December /
Average sunshine in December
Mitchells Island, Australia
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is November (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days in December
Mitchells Island, Australia
  • Average sunshine days in December: 12.9 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in December
Mitchells Island, 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 4).

Average cloud cover in December
Mitchells Island, Australia
  • Average cloud cover in December: 39

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Mitchells Island, Australia
  • Average visibility in December: 9km

The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, October, November and December (9km).

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