December weather forecastCollarenebri, Australia

December

Weather in December

The first month of the summer, December, is also a hot month in Collarenebri, Australia, with an average temperature varying between 33.6°C (92.5°F) and 22.5°C (72.5°F).

Temperature

December's weather records an average high-temperature of a still hot 33.6°C (92.5°F), showing little deviation from November. Collarenebri, during December, witnesses an average low-temperature of 22.5°C (72.5°F).

Heat index

For most parts of December, the heat index is calculated to be a sweltering 35°C (95°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

January and December, with an average relative humidity of 40%, are the least humid months in Collarenebri.

Rainfall

The month with the most rainfall in Collarenebri is December, when the rain falls for 8.3 days and typically aggregates up to 33mm (1.3") of precipitation.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year in Collarenebri.
On the first day of December, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:08 pm AEDT.

Sunshine

December has the most sunshine of the year in Collarenebri, with an average of 9.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Collarenebri. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 7 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. 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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

The high-temperature in Collarenebri during December is 33.6°C (92.5°F) and the low-temperature is 22.5°C (72.5°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 35°C (95°F).

January and December, with an average relative humidity of 40%, are the least humid months in Collarenebri.

The average relative humidity in December in Collarenebri, Australia, is 40%.

December is the month with the most rainfall in Collarenebri, Australia. Rain falls for 8.3 days and accumulates 33mm (1.3") of precipitation.

In Collarenebri, during December, the rain falls for 8.3 days and regularly aggregates up to 33mm (1.3") of precipitation.

December has the longest days of the year in Collarenebri, with an average of 14h and 0min of daylight.

In Collarenebri, the average day length in December is 14h and 0min.

On the first day of December in Collarenebri, sunrise is at 5:57 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:08 pm AEDT.

With an average of 9.8h of sunshine, December has the most sunshine of the year.

In December, the average sunshine duration in Collarenebri, Australia, is 9.8h.

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Collarenebri, Australia.

In Collarenebri, Australia, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Collarenebri, Australia

  • Average high temperature in December: 33.6°C

The warmest month (with the highest average high temperature) is January (35.5°C).
The month with the lowest average high temperature is July (17.1°C).

  • Average low temperature in December: 22.5°C

The month with the highest average low temperature is January (24.5°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).

Average pressure in December
Collarenebri, Australia

  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1021.9mbar).
The month with the lowest atmospheric pressure is January (1009.5mbar).

Average wind speed in December
Collarenebri, Australia

  • Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is November (13.9km/h).
The calmest months (with the lowest average wind speed) are April and May (10.6km/h).

Average humidity in December
Collarenebri, Australia

  • Average humidity in December: 40%

The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January and December (40%).

Average rainfall in December
Collarenebri, Australia

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Collarenebri, Australia

  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is January (9.5 days).
The month with the least rainy days is August (4.2 days).

Average daylight in December /
Average sunshine in December
Collarenebri, 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 48min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 8h and 18min).

Average sunshine days in December
Collarenebri, Australia

  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (19.6 days).

Average UV index in December
Collarenebri, Australia

  • Average UV index in December: 7

The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).

Average cloud cover in December
Collarenebri, Australia

  • Average cloud cover in December: 20

The month with the most cloud cover is June (Cloud cover 29).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in December
Collarenebri, Australia

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).