December weather forecastRocklea, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Rocklea, Australia, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 20.8°C (69.4°F).Temperature
December's arrival registers an average high-temperature of a still moderately hot 27.2°C (81°F), closely aligning with the temperature of the previous month. Rocklea's average low-temperature in the month of December is recorded at a pleasant 20.8°C (69.4°F).Heat index
The average heat index in December is evaluated at a hot 30°C (86°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In December, the average relative humidity is 74%.Rainfall
In December, the rain falls for 17.1 days. Throughout December, 71mm (2.8") of precipitation is accumulated. Throughout the year, in Rocklea, there are 178.8 rainfall days, and 665mm (26.18") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 4:44 am and sunset at 6:29 pm. On the last day of December, sunrise is at 4:55 am and sunset at 6:46 pm AEST.
Sunshine
The average sunshine in December is 9.9h.UV index
The months with the highest UV index in Rocklea, Australia, are January through March, October through 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 average individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rocklea, Australia
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (19.4°C).
- Average low temperature in December: 20.8°C
The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in December
Rocklea, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in December
Rocklea, Australia
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest months (with the lowest average wind speed) are May and August (13.7km/h).
Average humidity in December
Rocklea, Australia
- Average humidity in December: 74%
The months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Rocklea, Australia
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Rocklea, Australia
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (9.5 days).
Average daylight in December /
Average sunshine in December
Rocklea, Australia
- Average daylight in December: 13h and 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 9h and 54min
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 12min).
Average sunshine days in December
Rocklea, Australia
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (7.9 days).
Average UV index in December
Rocklea, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The month with the lowest UV index is June (UV index 4).
Average cloud cover in December
Rocklea, Australia
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Rocklea, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





