December weather forecast
Gepps Cross, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Gepps Cross, Australia, with an average temperature ranging between min 16.4°C (61.5°F) and max 26°C (78.8°F).

Temperature

As Gepps Cross steps into December, the average high-temperature holds at a still warm 26°C (78.8°F), hinting at a minor fluctuation from the prior month. The average low-temperature, in December, is an enjoyable 16.4°C (61.5°F).

Humidity

In December, the average relative humidity in Gepps Cross is 54%.

Rainfall

In December, in Gepps Cross, Australia, the rain falls for 8.9 days. Throughout December, 20mm (0.79") of precipitation is accumulated. In Gepps Cross, during the entire year, the rain falls for 117.8 days and collects up to 273mm (10.75") of precipitation.

Daylight

December has the longest days of the year in Gepps Cross, with an average of 14h and 30min of daylight.
On the first day of December, sunrise is at 5:55 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:32 pm ACDT.

Sunshine

The month with the most sunshine in Gepps Cross, Australia, is December, with an average of 10.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 6 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the temperature in December in Gepps Cross?
The average high-temperature and low-temperature in Gepps Cross during December are 26°C (78.8°F) and 16.4°C (61.5°F) respectively. In February, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 28°C (82.4°F).
What is the average humidity in December in Gepps Cross?
The average relative humidity in December is 54%.
How much does it rain in Gepps Cross in December?
In December, the rain falls for 8.9 days. Throughout December, 20mm (0.79") of precipitation is accumulated.
When are the longest days in Gepps Cross?
With an average of 14h and 30min of daylight, December has the longest days of the year.
How many hours of daylight does Gepps Cross have in December?
In December, the average day length in Gepps Cross, Australia, is 14h and 27min.
When are sunrise and sunset in December in Gepps Cross?
On the first day of December, sunrise is at 5:55 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:32 pm ACDT.
What month has the most sunshine in Gepps Cross?
December has the most sunshine of the year in Gepps Cross, Australia, with an average of 10.4h of sunshine.
How many hours of sunshine does Gepps Cross have in December?
In December, the average sunshine duration in Gepps Cross is 10.4h.
What is the month with the highest UV index in Gepps Cross?
The months with the highest UV index in Gepps Cross, Australia, are January, February and December, with an average maximum UV index of 6.
What is the UV index intensity in December in Gepps Cross?
The average daily maximum UV index in December in Gepps Cross, Australia, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Gepps Cross, Australia
Average temperature in December
Gepps Cross, Australia
  • Average high temperature in December: 26°C

The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in December: 16.4°C

The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is August (8.3°C).

Average pressure in December - Gepps Cross, Australia
Average pressure in December
Gepps Cross, Australia
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is June (1021.9mbar).
The month with the lowest atmospheric pressure is January (1012.2mbar).

Average wind speed in December - Gepps Cross, Australia
Average wind speed in December
Gepps Cross, Australia
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is August (14.8km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).

Average humidity in December - Gepps Cross, Australia
Average humidity in December
Gepps Cross, Australia
  • Average humidity in December: 54%

The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (52%).

Average rainfall in December - Gepps Cross, Australia
Average rainfall in December
Gepps Cross, Australia
  • Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is March (12mm).

Average rainfall days in December - Gepps Cross, Australia
Average rainfall days in December
Gepps Cross, Australia
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (5.3 days).

Average daylight in December / Average sunshine in December - Gepps Cross, Australia
Average daylight in December /
Average sunshine in December
Gepps Cross, Australia
  • Average daylight in December: 14h and 3min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 10h and 2min

The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is August (Average sunshine: 7h and 18min).

Average sunshine days in December - Gepps Cross, Australia
Average sunshine days in December
Gepps Cross, Australia
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is August (14 days).

Average UV index in December - Gepps Cross, Australia
Average UV index in December
Gepps Cross, 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 - Gepps Cross, Australia
Average cloud cover in December
Gepps Cross, Australia
  • Average cloud cover in December: 22

The month with the most cloud cover is May (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in December - Gepps Cross, Australia
Average visibility in December
Gepps Cross, 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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