December weather forecastCoalcliff, Australia
December
Weather in December
December, the first month of the summer in Coalcliff, is a moderately hot month, with an average temperature ranging between max 24.1°C (75.4°F) and min 17.5°C (63.5°F).Temperature
December's onset records an average high-temperature of a moderately hot 24.1°C (75.4°F), a near match to November's 22.4°C (72.3°F). Coalcliff's average low-temperature in December is measured at an enjoyable 17.5°C (63.5°F).Humidity
In Coalcliff, the average relative humidity in December is 74%.Rainfall
In Coalcliff, in December, during 15.5 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 169 rainfall days, and 678mm (26.69") of precipitation is accumulated.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:37 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:11 pm AEDT.
Sunshine
The average sunshine in December is 9.7h.UV index
The months with the highest UV index are January and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coalcliff, Australia
- Average high temperature in December: 24.1°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).
- Average low temperature in December: 17.5°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in December
Coalcliff, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Coalcliff, Australia
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity in December
Coalcliff, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Coalcliff, Australia
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Coalcliff, Australia
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).
Average daylight in December /
Average sunshine in December
Coalcliff, Australia
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- 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 54min).
Average sunshine days in December
Coalcliff, Australia
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Coalcliff, Australia
- Average UV index in December: 6
The months with the highest UV index are January 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
Coalcliff, Australia
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Coalcliff, 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).
