December weather forecastMarradong, Australia
December
Weather in December
December, the first month of the summer in Marradong, is also a moderately hot month, with an average temperature varying between 15.1°C (59.2°F) and 29.5°C (85.1°F).Temperature
The onset of December marks a slight increase in the average high-temperature, moving from a moderately hot 26.2°C (79.2°F) in November to a still warm 29.5°C (85.1°F). Nighttime temperatures exhibit a substantial dip from daytime highs during December, averaging at a refreshing 15.1°C (59.2°F).Heat index
The heat index value for December is calculated to be a tropical 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in December is 48%.Rainfall
In Marradong, Australia, in December, during 4.5 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Marradong, Australia, during the entire year, the rain falls for 92.6 days and collects up to 207mm (8.15") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 4:58 am and sunset at 7:07 pm. On the last day of December, sunrise is at 5:08 am and sunset at 7:25 pm AWST.
Sunshine
In Marradong, the average sunshine in December is 11.3h.UV index
The months with the highest UV index in Marradong are February and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marradong, Australia
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is January (31.8°C).
The month with the lowest average high temperature is July (14.7°C).
- Average low temperature in December: 15.1°C
The month with the highest average low temperature is February (16.8°C).
The coldest month (with the lowest average low temperature) is September (5.8°C).
Average pressure in December
Marradong, Australia
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is June (1020.5mbar).
The month with the lowest atmospheric pressure is January (1012.2mbar).
Average wind speed in December
Marradong, Australia
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is May (11.2km/h).
Average humidity in December
Marradong, Australia
- Average humidity in December: 48%
The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is January (47%).
Average rainfall in December
Marradong, Australia
- Average rainfall in December: 10mm
The wettest months (with the highest rainfall) are June and August (31mm).
The driest months (with the least rainfall) are January and April (9mm).
Average rainfall days in December
Marradong, Australia
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (13.1 days).
The month with the least rainy days is February (4.1 days).
Average daylight in December /
Average sunshine in December
Marradong, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 11h and 18min
The month with the most sunshine is January (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 12min).
Average sunshine days in December
Marradong, Australia
- Average sunshine days in December: 25.7 days
The month with the most sunshine days is December (25.7 days).
The month with the least sunshine days is August (14.6 days).
Average UV index in December
Marradong, Australia
- Average UV index in December: 6
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in December
Marradong, Australia
- Average cloud cover in December: 18
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in December
Marradong, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are July, August and September (8km).





