December weather forecastGreenbushes, Australia

December weather forecast for Greenbushes, Australia: The first month of the summer, December, is a moderately hot month in Greenbushes, Australia, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 12.5°C (54.5°F). The month with the longest days in Greenbushes is December, with an average of 14h and 24min of daylight.

December

Weather in December

The first month of the summer, December, is a moderately hot month in Greenbushes, Australia, with temperature in the range of an average high of 26.3°C (79.3°F) and an average low of 12.5°C (54.5°F).

Temperature

December's arrival sees a mild rise in the average high-temperature, transitioning from November's agreeable 22.8°C (73°F) to a moderately hot 26.3°C (79.3°F). Greenbushes's nighttime temperatures in December reflect a stark contrast to the day's highs, falling to an average low of 12.5°C (54.5°F).

Humidity

In Greenbushes, the average relative humidity in December is 66%.

Rainfall

In Greenbushes, in December, during 7.4 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, there are 127.4 rainfall days, and 330mm (12.99") of precipitation is accumulated.

Daylight

The month with the longest days in Greenbushes is December, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 4:57 am and sunset at 7:11 pm. On the last day of December, sunrise is at 5:07 am and sunset at 7:29 pm AWST.

Sunshine

The average sunshine in December is 10.2h.

UV index

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in December interprets into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

During December, Greenbushes experiences an average high-temperature of 26.3°C (79.3°F) and a low-temperature of 12.5°C (54.5°F). In February, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 30°C (86°F).

The average relative humidity in December is 66%.

In Greenbushes, during December, the rain falls for 7.4 days and regularly aggregates up to 12mm (0.47") of precipitation.

The month with the longest days is December, with an average of 14h and 24min of daylight.

In Greenbushes, the average day length in December is 14h and 22min.

On the first day of December, sunrise is at 4:57 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 7:29 pm AWST.

The average sunshine duration in December is 10.2h.

The average daily maximum UV index in December in Greenbushes is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Greenbushes, Australia

  • Average high temperature in December: 26.3°C

The warmest month (with the highest average high temperature) is January (28.2°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in December: 12.5°C

The month with the highest average low temperature is February (14.3°C).
The coldest month (with the lowest average low temperature) is August (6.3°C).

Average pressure in December
Greenbushes, Australia

  • Average pressure in December: 1014.3mbar

The month with the highest atmospheric pressure is May (1019.7mbar).
The month with the lowest atmospheric pressure is January (1013.4mbar).

Average wind speed in December
Greenbushes, Australia

  • Average wind speed in December: 10.3km/h

The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is May (8.3km/h).

Average humidity in December
Greenbushes, Australia

  • Average humidity in December: 66%

The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is January (64%).

Average rainfall in December
Greenbushes, Australia

  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is February (7mm).

Average rainfall days in December
Greenbushes, Australia

  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is February (4.1 days).

Average daylight in December /
Average sunshine in December
Greenbushes, Australia

  • Average daylight in December: 14h and 24min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 10h and 12min

The month with the most sunshine is January (Average sunshine: 10h and 48min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).

Average sunshine days in December
Greenbushes, Australia

  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (10.9 days).

Average UV index in December
Greenbushes, Australia

  • Average UV index in December: 5

The month with the highest UV index is February (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).

Average cloud cover in December
Greenbushes, Australia

  • Average cloud cover in December: 31

The month with the most cloud cover is August (Cloud cover 59).
The month with the least cloud cover is January (Cloud cover 26).

Average visibility in December
Greenbushes, Australia

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March and December (9km).
The months with the lowest visibility are June, July, August, September and October (7km).