December weather forecastAttadale, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Attadale, Australia, with an average temperature ranging between min 17.9°C (64.2°F) and max 25.7°C (78.3°F).Temperature
As November turns into December, the average high-temperatures rest at a still moderately hot 25.7°C (78.3°F), showing a minor variation from the prior month. Attadale records a consistent low-temperature of 17.9°C (64.2°F) during December nights.Humidity
January, February and December, with an average relative humidity of 59%, are the least humid months.Rainfall
In Attadale, during December, the rain falls for 5.2 days and regularly aggregates up to 12mm (0.47") of precipitation. In Attadale, Australia, during the entire year, the rain falls for 114 days and collects up to 404mm (15.91") of precipitation.Sea temperature
In Attadale, in December, the average water temperature is 20.8°C (69.4°F).Note: Swimming is not enjoyable for most people in water that is 20.8°C (69.4°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
The month with the longest days in Attadale is December, with an average of 14h and 12min of daylight.On the first day of December, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 7:26 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 in Attadale 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 exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 6 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Attadale, Australia
- Average high temperature in December: 25.7°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).
- Average low temperature in December: 17.9°C
The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).
Average pressure in December
Attadale, Australia
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).
Average wind speed in December
Attadale, Australia
- Average wind speed in December: 19.4km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).
Average humidity in December
Attadale, Australia
- Average humidity in December: 59%
The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).
Average rainfall in December
Attadale, Australia
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).
Average rainfall days in December
Attadale, Australia
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).
Average sea temperature in December
Attadale, Australia
- Average sea temperature in December: 20.8°C
The best month for swimming (with the highest average sea temperature) is March (23.3°C).
The coldest month (with the lowest average sea temperature) is September (18.7°C).
Average daylight in December /
Average sunshine in December
Attadale, 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 month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in December
Attadale, Australia
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Attadale, 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
Attadale, Australia
- Average cloud cover in December: 14
The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Attadale, 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).
