December weather forecastMirrool, Australia
December
Weather in December
The first month of the summer, December, is a tropical month in Mirrool, Australia, with an average temperature varying between 18.5°C (65.3°F) and 30.7°C (87.3°F).Temperature
In Mirrool, the average high-temperature in December slightly rises, from a moderately hot 27.5°C (81.5°F) in November, to a tropical 30.7°C (87.3°F). A sharp reduction from the daytime highs is witnessed in Mirrool during December, with nighttime temperatures averaging a low of 18.5°C (65.3°F).Heat index
The heat index value during December is calculated to be a tropical 31°C (87.8°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Mirrool, Australia, the average relative humidity in December is 40%.Rainfall
In Mirrool, in December, it is raining for 7.4 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Mirrool, there are 97 rainfall days, and 298mm (11.73") of precipitation is accumulated.Daylight
December has the longest days of the year in Mirrool, with an average of 14h and 24min of daylight.On the first day of December in Mirrool, Australia, sunrise is at 5:52 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:26 pm AEDT.
Sunshine
With an average of 11h of sunshine, December has the most sunshine of the year in Mirrool, Australia.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 7 in December translates into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mirrool, Australia
- Average high temperature in December: 30.7°C
The warmest month (with the highest average high temperature) is January (33.8°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is January (21.1°C).
The coldest month (with the lowest average low temperature) is August (4.3°C).
Average pressure in December
Mirrool, Australia
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is June (1022.3mbar).
The month with the lowest atmospheric pressure is January (1010.4mbar).
Average wind speed in December
Mirrool, Australia
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is November (14km/h).
The calmest months (with the lowest average wind speed) are April, May and June (11.7km/h).
Average humidity in December
Mirrool, Australia
- Average humidity in December: 40%
The months with the highest relative humidity are June and July (80%).
The month with the lowest relative humidity is January (37%).
Average rainfall in December
Mirrool, Australia
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in December
Mirrool, Australia
- Average rainfall days in December: 7.4 days
The months with the highest number of rainy days are August and October (9.7 days).
The month with the least rainy days is February (6.6 days).
Average daylight in December /
Average sunshine in December
Mirrool, Australia
- Average daylight in December: 14h and 24min
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: 11h and 0min
The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).
Average sunshine days in December
Mirrool, Australia
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (18.4 days).
Average UV index in December
Mirrool, Australia
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June and August (UV index 3).
Average cloud cover in December
Mirrool, Australia
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in December
Mirrool, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).





