December weather forecastSubiaco, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Subiaco, Australia, with an average temperature ranging between max 26.9°C (80.4°F) and min 17.8°C (64°F).Temperature
As November transitions into December, Subiaco records an average high-temperature of a still moderately hot 26.9°C (80.4°F), showing a gentle shift from the preceding month. During the nights in December, Subiaco experiences a consistent average temperature of 17.8°C (64°F).Humidity
January, February and December, with an average relative humidity of 57%, are the least humid months in Subiaco.Rainfall
In Subiaco, Australia, during December, the rain falls for 5.3 days and regularly aggregates up to 11mm (0.43") of precipitation. In Subiaco, during the entire year, the rain falls for 116.7 days and collects up to 389mm (15.31") of precipitation.Daylight
With an average of 14h and 12min of daylight, December has the longest days of the year in Subiaco.On the first day of the month, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of December, in Subiaco, sunrise is at 5:13 am and sunset at 7:25 pm AWST.
Sunshine
January and December, with an average of 11.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. 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
Subiaco, Australia
- Average high temperature in December: 26.9°C
The warmest month (with the highest average high temperature) is February (28.7°C).
The month with the lowest average high temperature is July (17.2°C).
- Average low temperature in December: 17.8°C
The month with the highest average low temperature is February (19.7°C).
The coldest month (with the lowest average low temperature) is August (11.3°C).
Average pressure in December
Subiaco, Australia
- Average pressure in December: 1012.5mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in December
Subiaco, Australia
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).
Average humidity in December
Subiaco, Australia
- Average humidity in December: 57%
The month with the highest relative humidity is August (73%).
The months with the lowest relative humidity are January, February and December (57%).
Average rainfall in December
Subiaco, Australia
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is March (10mm).
Average rainfall days in December
Subiaco, Australia
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (4.8 days).
Average daylight in December /
Average sunshine in December
Subiaco, Australia
- Average daylight in December: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 11h and 36min
The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The months with the least sunshine are July and August (Average sunshine: 5h and 54min).
Average sunshine days in December
Subiaco, Australia
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Subiaco, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in December
Subiaco, Australia
- Average cloud cover in December: 14
The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Subiaco, 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).
