December weather forecastMount Gravatt, Australia
December
Weather in December
December, the first month of the summer in Mount Gravatt, is also a moderately hot month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 27.2°C (81°F).Temperature
Mount Gravatt in December witnesses an average high-temperature of a still warm 27.2°C (81°F), indicating a slight variation from November's 26.5°C (79.7°F). The average low-temperature, in December, is a pleasant 20.8°C (69.4°F).Heat index
During December, the heat index is computed to be a hot 30°C (86°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The average relative humidity in December is 74%.Rainfall
In Mount Gravatt, in December, it is raining for 17.1 days, with typically 71mm (2.8") of accumulated precipitation. In Mount Gravatt, during the entire year, the rain falls for 178.8 days and collects up to 665mm (26.18") of precipitation.Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year.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
In December, the average sunshine is 9.9h.UV index
The months with the highest UV index in Mount Gravatt are January through March, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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
Mount Gravatt, 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).
