December weather forecastWillunga, Australia
December
Weather in December
The first month of the summer, December, is also an agreeable month in Willunga, Australia, with temperature in the range of an average high of 22.9°C (73.2°F) and an average low of 16°C (60.8°F).Temperature
Willunga marks the arrival of December with an average high-temperature of a still pleasant 22.9°C (73.2°F), hardly different from November's 20.8°C (69.4°F). During the month of December, Willunga anticipates a mean low-temperature of 16°C (60.8°F).Humidity
In Willunga, the average relative humidity in December is 62%.Rainfall
In Willunga, during December, the rain falls for 10.3 days and regularly aggregates up to 24mm (0.94") of precipitation. In Willunga, during the entire year, the rain falls for 138.9 days and collects up to 363mm (14.29") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 30min of daylight.On the first day of December, sunrise is at 5:54 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:33 pm ACDT.
Sunshine
December has the most sunshine of the year, with an average of 10h of sunshine.UV index
January and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Willunga, Australia
- Average high temperature in December: 22.9°C
The warmest month (with the highest average high temperature) is January (24.9°C).
The month with the lowest average high temperature is July (14°C).
- Average low temperature in December: 16°C
The month with the highest average low temperature is February (17.7°C).
The coldest month (with the lowest average low temperature) is August (9.9°C).
Average pressure in December
Willunga, Australia
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in December
Willunga, Australia
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is August (17.7km/h).
The calmest month (with the lowest average wind speed) is April (13.8km/h).
Average humidity in December
Willunga, Australia
- Average humidity in December: 62%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Willunga, Australia
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in December
Willunga, Australia
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.3 days).
Average daylight in December /
Average sunshine in December
Willunga, Australia
- Average daylight in December: 14h and 30min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 10h
The month with the most sunshine is December (Average sunshine: 10h).
The months with the least sunshine are May, July and August (Average sunshine: 7h).
Average sunshine days in December
Willunga, Australia
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in December
Willunga, Australia
- Average UV index in December: 6
The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Willunga, Australia
- Average cloud cover in December: 26
The months with the most cloud cover are May and July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in December
Willunga, 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).
