December weather forecastCollie, Australia
December
Weather in December
The first month of the summer, December, is a warm month in Collie, Australia, with an average temperature ranging between min 15.6°C (60.1°F) and max 24.7°C (76.5°F).Temperature
Collie records an average high-temperature of a warm 24.7°C (76.5°F) in December, maintaining a close correlation with November's 22.3°C (72.1°F). Collie, during December, witnesses an average low-temperature of 15.6°C (60.1°F).Humidity
In Collie, the average relative humidity in December is 65%.Rainfall
In Collie, during December, the rain falls for 5.7 days and regularly aggregates up to 13mm (0.51") of precipitation. In Collie, during the entire year, the rain falls for 130.6 days and collects up to 479mm (18.86") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 4:58 am and sunset at 7:10 pm. On the last day of December, sunrise is at 5:08 am and sunset at 7:28 pm AWST.
Sunshine
In Collie, the average sunshine in December is 11.2h.UV index
The months with the highest UV index in Collie, Australia, are February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Collie, Australia
- Average high temperature in December: 24.7°C
The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is July (16.2°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is February (17.6°C).
The coldest months (with the lowest average low temperature) are August and September (10.8°C).
Average pressure in December
Collie, Australia
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Collie, Australia
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).
Average humidity in December
Collie, Australia
- Average humidity in December: 65%
The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is January (63%).
Average rainfall in December
Collie, Australia
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in December
Collie, Australia
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (4.2 days).
Average daylight in December /
Average sunshine in December
Collie, 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: 11h and 12min
The month with the most sunshine is January (Average sunshine: 11h and 24min).
The months with the least sunshine are July and August (Average sunshine: 5h and 36min).
Average sunshine days in December
Collie, Australia
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in December
Collie, Australia
- Average UV index in December: 6
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Collie, Australia
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in December
Collie, 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).
