December weather forecastBusselton, Australia
December
Weather in December
December brings the year to a close with full-on summer conditions in Busselton. Temperature averages expectedly rise from November, bringing about warm days. The rainfall remains low, and the number of sunshine hours peaks to 10.3 hours a day, resulting in brighter and longer days. This month experiences the longest daylight hours of the year, on average 14.4 hours a day. Despite the rise in temperature, the wind speed maintains an average of 19.4km/h (12.1mph), offering a cooling balance to the heat.Temperature
The commencement of December records an average high-temperature of a still agreeable 22.2°C (72°F), barely varying from November's 20.3°C (68.5°F). During the nights in December, Busselton experiences a consistent average temperature of 15.6°C (60.1°F).Humidity
January, February and December, with an average relative humidity of 71%, are the least humid months in Busselton.Rainfall
The months with the least rainfall in Busselton are January and December Rain falls for 7.2 days and accumulates 13mm (0.51") of rain.Daylight
The month with the longest days in Busselton is December, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 5:01 am and sunset at 7:14 pm. On the last day of December, in Busselton, sunrise is at 5:11 am and sunset at 7:32 pm AWST.
Sunshine
In Busselton, the average sunshine in December is 10.3h.UV index
In Busselton, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during December translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Busselton, 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
Busselton, 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
Busselton, 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
Busselton, 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
Busselton, 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
Busselton, 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 daylight in December /
Average sunshine in December
Busselton, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- 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
Busselton, 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
Busselton, 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
Busselton, 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
Busselton, 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).
