December weather forecast
Rocky Cape, Australia

December

Weather in December

The first month of the summer, December, is still a comfortable month in Rocky Cape, Australia, with temperature in the range of an average low of 11.7°C (53.1°F) and an average high of 18.1°C (64.6°F).

Temperature

The commencement of December records an average high-temperature of a still enjoyable 18.1°C (64.6°F), barely varying from November's 16.4°C (61.5°F). Rocky Cape throughout December, records an average low-temperature of 11.7°C (53.1°F).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Rocky Cape, in December, it is raining for 12.2 days, with typically 33mm (1.3") of accumulated precipitation. In Rocky Cape, during the entire year, the rain falls for 161.1 days and collects up to 520mm (20.47") of precipitation.

Daylight

December has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of December, sunrise is at 5:49 am and sunset at 8:53 pm AEDT.

Sunshine

The month with the most sunshine is December, with an average of 9.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 5 during December morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What are December temperatures?
The average high-temperature and low-temperature during December are 18.1°C (64.6°F) and 11.7°C (53.1°F) respectively.
What is the average humidity in December in Rocky Cape?
The average relative humidity in December is 76%.
How many days does it rain in December?
In Rocky Cape, Australia, in December, it is raining for 12.2 days, with typically 33mm (1.3") of accumulated precipitation.
When are the longest days in Rocky Cape?
December has the longest days of the year in Rocky Cape, with an average of 15h and 6min of daylight.
What is the average length of the day in December?
The average day length in December in Rocky Cape is 15h and 3min.
When are sunrise and sunset in December in Rocky Cape?
On the first day of December, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:53 pm AEDT.
What month has the most sunshine?
December has the most sunshine of the year, with an average of 9.4h of sunshine.
How long on average sun shines in December?
The average sunshine duration in December is 9.4h.
What is the month with the highest UV index?
January, February and December, with an average maximum UV index of 5, are months with the highest UV index.
What is the UV index intensity in December?
The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Rocky Cape, Australia
Average temperature in December
Rocky Cape, Australia
  • Average high temperature in December: 18.1°C

The warmest month (with the highest average high temperature) is January (19.7°C).
The month with the lowest average high temperature is July (11.7°C).

  • Average low temperature in December: 11.7°C

The month with the highest average low temperature is February (13.8°C).
The coldest month (with the lowest average low temperature) is August (7.2°C).

Average pressure in December - Rocky Cape, Australia
Average pressure in December
Rocky Cape, Australia
  • Average pressure in December: 1011.9mbar

The month with the highest atmospheric pressure is June (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

Average wind speed in December - Rocky Cape, Australia
Average wind speed in December
Rocky Cape, Australia
  • Average wind speed in December: 19.1km/h

The windiest month (with the highest average wind speed) is August (19.7km/h).
The calmest month (with the lowest average wind speed) is April (17.6km/h).

Average humidity in December - Rocky Cape, Australia
Average humidity in December
Rocky Cape, Australia
  • Average humidity in December: 76%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (74%).

Average rainfall in December - Rocky Cape, Australia
Average rainfall in December
Rocky Cape, Australia
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in December - Rocky Cape, Australia
Average rainfall days in December
Rocky Cape, Australia
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (9.3 days).

Average daylight in December / Average sunshine in December - Rocky Cape, Australia
Average daylight in December /
Average sunshine in December
Rocky Cape, Australia
  • Average daylight in December: 15h and 1min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 18min).

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).

Average sunshine days in December - Rocky Cape, Australia
Average sunshine days in December
Rocky Cape, Australia
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (9.9 days).

Average UV index in December - Rocky Cape, Australia
Average UV index in December
Rocky Cape, Australia
  • Average UV index in December: 5

The months with the highest UV index are January, February and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

Average cloud cover in December - Rocky Cape, Australia
Average cloud cover in December
Rocky Cape, Australia
  • Average cloud cover in December: 38

The month with the most cloud cover is July (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).

Average visibility in December - Rocky Cape, Australia
Average visibility in December
Rocky Cape, Australia
  • Average visibility in December: 10km

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

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