December weather forecast
Lilyfield, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Lilyfield, Australia, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 25.3°C (77.5°F).

Temperature

The onset of December brings with it an average high-temperature of a still warm 25.3°C (77.5°F), showing a negligible variation from the month before. Throughout December, Lilyfield records an average temperature of 18.5°C (65.3°F) at night.

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Lilyfield, during December, the rain falls for 14.9 days and regularly aggregates up to 46mm (1.81") of precipitation. In Lilyfield, during the entire year, the rain falls for 166.6 days and collects up to 653mm (25.71") of precipitation.

Sea temperature

In Lilyfield, in December, the average water temperature is 21.9°C (71.4°F).
Note: For most, swimming in 21.9°C (71.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the longest days is December, with an average of 14h and 24min of daylight.
On the first day of December, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.

Sunshine

In Lilyfield, the average sunshine in December is 9.7h.

UV index

January, February, November 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 health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

Frequently asked questions

What are the temperatures in December?
The high-temperature during December is 25.3°C (77.5°F) and the low-temperature is 18.5°C (65.3°F).
What is the average humidity in December?
In Lilyfield, the average relative humidity in December is 72%.
How many days does it rain in December?
In Lilyfield, during December, the rain falls for 14.9 days and regularly aggregates up to 46mm (1.81") of precipitation.
How cold is the water in December?
In December, the average sea temperature is 21.9°C (71.4°F). For most, swimming in 21.9°C (71.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
When are the longest days?
The month with the longest days is December, with an average of 14h and 24min of daylight.
How many hours of daylight does Lilyfield have in December?
In December, the average day length is 14h and 22min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of the month, in Lilyfield, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.
How long on average sun shines in December?
In December, the average sunshine duration is 9.7h.
What are the months with the highest UV index?
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in December?
The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Lilyfield, Australia
  • Average high temperature in December: 25.3°C

The warmest month (with the highest average high temperature) is January (26.8°C).
The month with the lowest average high temperature is July (16.6°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).

Average pressure in December
Lilyfield, Australia
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in December
Lilyfield, Australia
  • Average wind speed in December: 15.8km/h

The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).

Average humidity in December
Lilyfield, Australia
  • Average humidity in December: 72%

The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Lilyfield, Australia
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is February (93mm).
The driest month (with the least rainfall) is July (31mm).

Average rainfall days in December
Lilyfield, Australia
  • Average rainfall days in December: 14.9 days

The month with the highest number of rainy days is March (19 days).
The month with the least rainy days is August (9.2 days).

Average sea temperature in December
Lilyfield, Australia
  • Average sea temperature in December: 21.9°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in December /
Average sunshine in December
Lilyfield, Australia
  • Average daylight in December: 14h and 2min

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: 9h and 4min

The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December
Lilyfield, Australia
  • Average sunshine days in December: 11.3 days

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is February (8.4 days).

Average UV index in December
Lilyfield, Australia
  • Average UV index in December: 6

The months with the highest UV index are January, February, November 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
Lilyfield, Australia
  • Average cloud cover in December: 37

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Lilyfield, 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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