December weather forecastShannon Brook, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Shannon Brook, Australia, with an average temperature fluctuating between 27.6°C (81.7°F) and 18.6°C (65.5°F).

Temperature

Entering December, Shannon Brook's average high-temperature reads a still warm 27.6°C (81.7°F), indicating a close resemblance to the previous month's climate. During December, Shannon Brook records a consistent average nighttime temperature of 18.6°C (65.5°F).

Heat index

Throughout December, the heat index is evaluated at a tropical 31°C (87.8°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in December in Shannon Brook is 77%.

Rainfall

In Shannon Brook, in December, it is raining for 19.5 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Shannon Brook, there are 184.7 rainfall days, and 718mm (28.27") of precipitation is accumulated.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year in Shannon Brook, Australia.
On the first day of December in Shannon Brook, 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.

Sunshine

The average sunshine in December in Shannon Brook is 9.4h.

UV index

The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Shannon Brook, in December, the average high-temperature is 27.6°C (81.7°F), and the average low-temperature is 18.6°C (65.5°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 31°C (87.8°F).

In December, the average relative humidity in Shannon Brook is 77%.

In Shannon Brook, in December, during 19.5 rainfall days, 76mm (2.99") of precipitation is typically accumulated.

With an average of 14h and 0min of daylight, December has the longest days of the year in Shannon Brook.

In Shannon Brook, Australia, the average day length in December is 13h and 57min.

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, in Shannon Brook, sunrise is at 5:52 am and sunset at 7:50 pm AEDT.

The average sunshine duration in December is 9.4h.

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Shannon Brook, Australia.

In Shannon Brook, Australia, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

27°C

27.6°C

28.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.7km/h

12.5km/h

12km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.5

10.6

Average UV index

Average cloud cover

34%

42%

Average visibility

9km

Average temperature in December
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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 24min

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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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
Shannon Brook, 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).