December weather forecastBlackwall, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Blackwall, Australia, with an average temperature fluctuating between 18.1°C (64.6°F) and 25.9°C (78.6°F).Temperature
Upon the beginning of December, Blackwall's high-temperatures register at a still warm 25.9°C (78.6°F), closely mirroring the preceding month. Throughout December, an average nighttime temperature of 18.1°C (64.6°F) is experienced in Blackwall.Humidity
The average relative humidity in December in Blackwall is 73%.Rainfall
In Blackwall, in December, it is raining for 13.6 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 156.9 rainfall days, and 628mm (24.72") of precipitation is accumulated.Daylight
The month with the longest days in Blackwall is December, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 5:37 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:07 pm AEDT.
Sunshine
The average sunshine in December in Blackwall is 9.7h.UV index
January, February, October through December, with an average maximum UV index of 6, are months with the highest UV index in Blackwall. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blackwall, Australia
- Average high temperature in December: 25.9°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in December
Blackwall, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in December
Blackwall, Australia
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in December
Blackwall, Australia
- Average humidity in December: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Blackwall, Australia
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in December
Blackwall, Australia
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in December /
Average sunshine in December
Blackwall, 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: 9h and 42min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Blackwall, Australia
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Blackwall, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, October, November 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
Blackwall, Australia
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Blackwall, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
