December weather forecastMoonan Brook, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Moonan Brook, Australia, with temperature in the range of an average low of 15.6°C (60.1°F) and an average high of 28.9°C (84°F).Temperature
Moonan Brook starts December with an average high-temperature of a still moderately hot 28.9°C (84°F), a minor shift from November's 27°C (80.6°F). Moonan Brook experiences a significant reduction from daytime highs with an average low-temperature of 15.6°C (60.1°F) in December.Heat index
The heat index in December is appraised at a hot 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
December is the least humid month, with an average relative humidity of 63%.Rainfall
In December, in Moonan Brook, Australia, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Moonan Brook, during the entire year, the rain falls for 124.2 days and collects up to 409mm (16.1") of precipitation.Daylight
The month with the longest days in Moonan Brook is December, with an average of 14h and 12min of daylight.On the first day of December in Moonan Brook, sunrise is at 5:41 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:04 pm AEDT.
Sunshine
With an average of 10.4h of sunshine, December has the most sunshine of the year in Moonan Brook.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 vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in December translates into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moonan Brook, Australia
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (14.3°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is January (17.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in December
Moonan Brook, Australia
- Average pressure in December: 1013.1mbar
The months with the highest atmospheric pressure are June and July (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in December
Moonan Brook, Australia
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is September (8km/h).
The calmest months (with the lowest average wind speed) are April and May (6.3km/h).
Average humidity in December
Moonan Brook, Australia
- Average humidity in December: 63%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is December (63%).
Average rainfall in December
Moonan Brook, Australia
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in December
Moonan Brook, Australia
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is May (8.3 days).
Average daylight in December /
Average sunshine in December
Moonan Brook, Australia
- Average daylight in December: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 10h and 24min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days in December
Moonan Brook, Australia
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is May (20.4 days).
The month with the least sunshine days is February (15.6 days).
Average UV index in December
Moonan 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 June and July (UV index 3).
Average cloud cover in December
Moonan Brook, Australia
- Average cloud cover in December: 34
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Moonan Brook, Australia
- Average visibility in December: 9km
The months with the highest visibility are January and December (9km).
The months with the lowest visibility are April, June and July (7km).





