December weather forecastMillmerran, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Millmerran, Australia, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 16.7°C (62.1°F).Temperature
The transition from November to December sees average high-temperatures adjusting to a still moderately hot 28.3°C (82.9°F), from a not significantly different 27.7°C (81.9°F). Millmerran temperatures generally rest at a low of 16.7°C (62.1°F) during the December nights.Heat index
Throughout December, the heat index is computed to be a tropical 32°C (89.6°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in December is 72%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.1 days and typically aggregates up to 74mm (2.91") of precipitation.Daylight
With an average of 13h and 54min of daylight, December has the longest days of the year in Millmerran, Australia.On the first day of December, sunrise is at 4:50 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 5:01 am and sunset at 6:54 pm AEST.
Sunshine
In December, the average sunshine is 9.8h.UV index
The months with the highest UV index in Millmerran, Australia, are January, February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in December translates into the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Millmerran, Australia
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is January (28.9°C).
The months with the lowest average high temperature are June and July (17.2°C).
- Average low temperature in December: 16.7°C
The month with the highest average low temperature is January (17.7°C).
The coldest month (with the lowest average low temperature) is July (7.1°C).
Average pressure in December
Millmerran, Australia
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.2mbar).
Average wind speed in December
Millmerran, Australia
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is February (13.4km/h).
The calmest month (with the lowest average wind speed) is April (11.1km/h).
Average humidity in December
Millmerran, Australia
- Average humidity in December: 72%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are September and November (68%).
Average rainfall in December
Millmerran, Australia
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in December
Millmerran, Australia
- Average rainfall days in December: 17.1 days
The months with the highest number of rainy days are March and December (17.1 days).
The month with the least rainy days is September (7.7 days).
Average daylight in December /
Average sunshine in December
Millmerran, Australia
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 9h and 48min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in December
Millmerran, Australia
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in December
Millmerran, 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, July and August (UV index 4).
Average cloud cover in December
Millmerran, Australia
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Millmerran, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are February, March, April and May (8km).





