December weather forecastWollombi, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Wollombi, Australia, with an average temperature ranging between min 16.2°C (61.2°F) and max 28.3°C (82.9°F).Temperature
As November transitions into December, Wollombi records an average high-temperature of a still warm 28.3°C (82.9°F), showing a gentle shift from the preceding month. Wollombi registers a marked temperature plunge to a comfortable 16.2°C (61.2°F) during the cool December nights.Heat index
In December, the heat index is appraised at a hot 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The average relative humidity in December is 70%.Rainfall
In Wollombi, in December, it is raining for 14.3 days, with typically 45mm (1.77") of accumulated precipitation. In Wollombi, during the entire year, the rain falls for 149.9 days and collects up to 518mm (20.39") of precipitation.Daylight
December has the longest days of the year in Wollombi, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 5:39 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:07 pm AEDT.
Sunshine
November and December, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index in Wollombi. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in December translates into this advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wollombi, Australia
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is January (29.9°C).
The months with the lowest average high temperature are June and July (16.3°C).
- Average low temperature in December: 16.2°C
The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is July (7.1°C).
Average pressure in December
Wollombi, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in December
Wollombi, Australia
- Average wind speed in December: 8.3km/h
The windiest month (with the highest average wind speed) is August (8.7km/h).
The calmest month (with the lowest average wind speed) is April (7.3km/h).
Average humidity in December
Wollombi, Australia
- Average humidity in December: 70%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is September (69%).
Average rainfall in December
Wollombi, Australia
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is February (86mm).
The driest month (with the least rainfall) is May (23mm).
Average rainfall days in December
Wollombi, Australia
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (8.3 days).
Average daylight in December /
Average sunshine in December
Wollombi, 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: 9h and 42min
The months with the most sunshine are November and December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days in December
Wollombi, Australia
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Wollombi, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in December
Wollombi, Australia
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Wollombi, Australia
- Average visibility in December: 9km
The months with the highest visibility are July, August, September and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, October and November (8km).





