December weather forecastSisters Beach, Australia
December
Weather in December
The first month of the summer, December, is still a comfortable month in Sisters Beach, Australia, with an average temperature fluctuating between 11.7°C (53.1°F) and 18.1°C (64.6°F).Temperature
The commencement of December brings an average high-temperature of a still comfortable 18.1°C (64.6°F), marking an inconsequential divergence from November. In December, the average low-temperature is a fresh 11.7°C (53.1°F).Humidity
In Sisters Beach, the average relative humidity in December is 76%.Rainfall
In Sisters Beach, in December, it is raining for 12.2 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Sisters Beach, there are 161.1 rainfall days, and 520mm (20.47") of precipitation is accumulated.Daylight
The month with the longest days in Sisters Beach is December, with an average of 15h and 6min of daylight.On the first day of the month, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of December, sunrise is at 5:48 am and sunset at 8:52 pm AEDT.
Sunshine
December has the most sunshine of the year in Sisters Beach, with an average of 9.4h of sunshine.UV index
The months with the highest UV index in Sisters Beach are January, February and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in December, converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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
Sisters Beach, Australia
- Average high temperature in December: 18.1°C
The warmest month (with the highest average high temperature) is January (19.7°C).
The month with the lowest average high temperature is July (11.7°C).
- Average low temperature in December: 11.7°C
The month with the highest average low temperature is February (13.8°C).
The coldest month (with the lowest average low temperature) is August (7.2°C).
Average pressure in December
Sisters Beach, Australia
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is June (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Sisters Beach, Australia
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is August (19.7km/h).
The calmest month (with the lowest average wind speed) is April (17.6km/h).
Average humidity in December
Sisters Beach, Australia
- Average humidity in December: 76%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (74%).
Average rainfall in December
Sisters Beach, Australia
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in December
Sisters Beach, Australia
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (9.3 days).
Average daylight in December /
Average sunshine in December
Sisters Beach, Australia
- Average daylight in December: 15h and 6min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 18min).
- Average sunshine in December: 9h and 24min
The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).
Average sunshine days in December
Sisters Beach, Australia
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in December
Sisters Beach, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in December
Sisters Beach, Australia
- Average cloud cover in December: 38
The month with the most cloud cover is July (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Sisters Beach, 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).
