December weather forecast
Coombell, Australia

December

Weather in December

December, the first month of the summer in Coombell, is also a moderately hot month, with an average temperature ranging between min 18.6°C (65.5°F) and max 27.6°C (81.7°F).

Temperature

The arrival of December marks a slight shift to an average high-temperature of a still warm 27.6°C (81.7°F) from November's 27°C (80.6°F). December brings with it a nighttime average temperature of 18.6°C (65.5°F) in Coombell.

Heat index

December's average heat index is calculated to be a tropical 31°C (87.8°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in December in Coombell, Australia, is 77%.

Rainfall

In Coombell, during December, the rain falls for 19.5 days and regularly aggregates up to 76mm (2.99") of precipitation. In Coombell, Australia, during the entire year, the rain falls for 184.7 days and collects up to 718mm (28.27") of precipitation.

Daylight

The month with the longest days in Coombell is December, with an average of 14h and 0min of daylight.
On the first day of the month, sunrise is at 5:41 am and sunset at 7:32 pm. On the last day of December, in Coombell, sunrise is at 5:52 am and sunset at 7:50 pm AEDT.

Sunshine

The average sunshine in December is 9.4h.

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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in December suggests the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the temperature in December in Coombell?
Coombell in December has an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 18.6°C (65.5°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 31°C (87.8°F).
What is the average humidity in December in Coombell?
In Coombell, the average relative humidity in December is 77%.
How much does it rain in Coombell in December?
In Coombell, Australia, in December, it is raining for 19.5 days, with typically 76mm (2.99") of accumulated precipitation.
When are the longest days in Coombell?
December has the longest days of the year in Coombell, Australia, with an average of 14h and 0min of daylight.
What is the average length of the day in December in Coombell?
The average day length in December in Coombell, Australia, is 13h and 58min.
When is the sunrise / sunset in December in Coombell?
In December, on the first day of the month, sunrise is at 5:41 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:50 pm AEDT.
How long on average sun shines in December in Coombell?
In December, the average sunshine duration in Coombell, Australia, is 9.4h.
When is the highest UV index in Coombell?
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 in Coombell?
In December, the average daily maximum UV index in Coombell is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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 - Coombell, Australia
Average temperature in December
Coombell, Australia
  • Average high temperature in December: 27.6°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 (18.1°C).

  • Average low temperature in December: 18.6°C

The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

Average pressure in December - Coombell, Australia
Average pressure in December
Coombell, Australia
  • Average pressure in December: 1013.6mbar

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

Average wind speed in December - Coombell, Australia
Average wind speed in December
Coombell, Australia
  • Average wind speed in December: 11.1km/h

The windiest month (with the highest average wind speed) is October (11.4km/h).
The calmest month (with the lowest average wind speed) is May (9.6km/h).

Average humidity in December - Coombell, Australia
Average humidity in December
Coombell, Australia
  • Average humidity in December: 77%

The month with the highest relative humidity is March (83%).
The months with the lowest relative humidity are August and September (71%).

Average rainfall in December - Coombell, Australia
Average rainfall in December
Coombell, Australia
  • Average rainfall in December: 76mm

The wettest month (with the highest rainfall) is March (102mm).
The driest month (with the least rainfall) is September (22mm).

Average rainfall days in December - Coombell, Australia
Average rainfall days in December
Coombell, Australia
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is August (8.1 days).

Average daylight in December / Average sunshine in December - Coombell, Australia
Average daylight in December /
Average sunshine in December
Coombell, Australia
  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in December - Coombell, Australia
Average sunshine days in December
Coombell, Australia
  • Average sunshine days in December: 9 days

The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is March (5.8 days).

Average UV index in December - Coombell, Australia
Average UV index in December
Coombell, 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 and July (UV index 4).

Average cloud cover in December - Coombell, Australia
Average cloud cover in December
Coombell, Australia
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December - Coombell, Australia
Average visibility in December
Coombell, 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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