December weather forecastAugusta, Australia
December
Weather in December
December, the first month of the summer in Augusta, is still a pleasant month, with an average temperature fluctuating between 22.2°C (72°F) and 15.6°C (60.1°F).Temperature
With December's arrival, Augusta notes an average high-temperature of a still pleasant 22.2°C (72°F), closely following the trend of the preceding month. In Augusta, the nighttime temperature averages to a moderate 15.6°C (60.1°F) during December.Humidity
January, February and December, with an average relative humidity of 71%, are the least humid months in Augusta.Rainfall
January and December are months with the least rain when the rain falls for 7.2 days and typically aggregates up to 13mm (0.51") of rain.Sea temperature
In December, the average sea temperature is 19.7°C (67.5°F).Note: Most individuals do not find swimming at 19.7°C (67.5°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
December has the longest days of the year in Augusta, with an average of 14h and 24min of daylight.On the first day of December in Augusta, sunrise is at 5:00 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 7:34 pm AWST.
Sunshine
In Augusta, the average sunshine in December is 10.3h.UV index
In Augusta, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during December translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Augusta, Australia
- Average high temperature in December: 22.2°C
The warmest month (with the highest average high temperature) is February (24.3°C).
The month with the lowest average high temperature is July (16.1°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is September (12°C).
Average pressure in December
Augusta, Australia
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is May (1019.5mbar).
The month with the lowest atmospheric pressure is January (1013.6mbar).
Average wind speed in December
Augusta, Australia
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is July (21km/h).
The calmest month (with the lowest average wind speed) is April (16.8km/h).
Average humidity in December
Augusta, Australia
- Average humidity in December: 71%
The months with the highest relative humidity are July, August and October (74%).
The months with the lowest relative humidity are January, February and December (71%).
Average rainfall in December
Augusta, Australia
- Average rainfall in December: 13mm
The wettest months (with the highest rainfall) are June and July (88mm).
The driest months (with the least rainfall) are January and December (13mm).
Average rainfall days in December
Augusta, Australia
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is February (4.8 days).
Average sea temperature in December
Augusta, Australia
- Average sea temperature in December: 19.7°C
The best month for swimming (with the highest average sea temperature) is March (22.1°C).
The coldest month (with the lowest average sea temperature) is September (17.7°C).
Average daylight in December /
Average sunshine in December
Augusta, Australia
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 10h and 18min
The month with the most sunshine is January (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 0min).
Average sunshine days in December
Augusta, Australia
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are July and August (6.8 days).
Average UV index in December
Augusta, Australia
- Average UV index in December: 5
The month with the highest UV index is February (UV index 6).
The months with the lowest UV index are June, July, August, September and October (UV index 4).
Average cloud cover in December
Augusta, Australia
- Average cloud cover in December: 27
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in December
Augusta, 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).





