December weather forecastWynnum, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Wynnum, Australia, with an average temperature varying between 20.8°C (69.4°F) and 27.2°C (81°F).Temperature
As December unfolds, the average high-temperature reaches a still warm 27.2°C (81°F), hinting at a slight fluctuation from the previous month. December in Wynnum generally records an average low-temperature of 20.8°C (69.4°F).Heat index
December's mean heat index is calculated to be a tropical 30°C (86°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In December, the average relative humidity in Wynnum, Australia, is 74%.Rainfall
In Wynnum, in December, it is raining for 17.1 days, with typically 71mm (2.8") of accumulated precipitation. In Wynnum, during the entire year, the rain falls for 178.8 days and collects up to 665mm (26.18") of precipitation.Daylight
The month with the longest days in Wynnum is December, 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 6:28 pm. On the last day of December, sunrise is at 4:54 am and sunset at 6:45 pm AEST.
Sunshine
The average sunshine in December is 9.9h.UV index
The months with the highest UV index in Wynnum 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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
Wynnum, 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).





