December weather forecastOrbost, Australia
December
Weather in December
December, the first month of the summer in Orbost, is a warm month, with temperature in the range of an average high of 23.2°C (73.8°F) and an average low of 13.1°C (55.6°F).Temperature
Orbost sees the arrival of December with an average high-temperature of a moderately hot 23.2°C (73.8°F), indicating a subtle variation from November. During December, an average low-temperature of 13.1°C (55.6°F) is observed.Humidity
January and December, with an average relative humidity of 71%, are the least humid months.Rainfall
In Orbost, in December, during 10.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Orbost, during the entire year, the rain falls for 145.9 days and collects up to 435mm (17.13") of precipitation.Daylight
With an average of 14h and 42min of daylight, December has the longest days of the year in Orbost.On the first day of December, sunrise is at 5:38 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:31 pm AEDT.
Sunshine
The month with the most sunshine in Orbost is December, with an average of 10.4h of sunshine.UV index
The months with the highest UV index are January through March, October through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during December translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orbost, Australia
- Average high temperature in December: 23.2°C
The warmest month (with the highest average high temperature) is January (24.6°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 13.1°C
The month with the highest average low temperature is February (14.8°C).
The coldest months (with the lowest average low temperature) are July and August (6.6°C).
Average pressure in December
Orbost, Australia
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in December
Orbost, Australia
- Average wind speed in December: 11.2km/h
The windiest months (with the highest average wind speed) are August and September (12.9km/h).
The calmest month (with the lowest average wind speed) is April (10.5km/h).
Average humidity in December
Orbost, Australia
- Average humidity in December: 71%
The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in December
Orbost, Australia
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is June (46mm).
The driest months (with the least rainfall) are March and May (31mm).
Average rainfall days in December
Orbost, Australia
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is October (13.4 days).
The month with the least rainy days is December (10.5 days).
Average daylight in December /
Average sunshine in December
Orbost, Australia
- Average daylight in December: 14h and 42min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 10h and 24min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Orbost, Australia
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is September (13.1 days).
Average UV index in December
Orbost, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in December
Orbost, Australia
- Average cloud cover in December: 30
The month with the most cloud cover is June (Cloud cover 39).
The months with the least cloud cover are January and December (Cloud cover 30).
Average visibility in December
Orbost, Australia
- Average visibility in December: 10km
The months with the highest visibility are May, June, July, August, September and December (10km).
The months with the lowest visibility are January, February, March, April, October and November (9km).





