December weather forecastCoffs Harbour, Australia
December
Weather in December
December rounds off the year in Coffs Harbour, blending a high heat index with moderate rainfall. On the contrary, the city's atmospheric pressure measures in at its lowest point during the year, averaging 1013.7mb. Coupled with warm days and decorated Christmas trees, Coffs Harbour celebrates the holiday season with a unique summer-styled Christmas, where an afternoon dip in the ocean concludes a truly memorable year.Temperature
The ushering in of December in Coffs Harbour brings an average high-temperature of a still warm 26.1°C (79°F), closely mirroring the 25.1°C (77.2°F) of November. During December, Coffs Harbour records an average temperature of 18.8°C (65.8°F) at night.Humidity
The average relative humidity in December in Coffs Harbour is 76%.Rainfall
In Coffs Harbour, in December, it is raining for 17.9 days, with typically 73mm (2.87") of accumulated precipitation. In Coffs Harbour, during the entire year, the rain falls for 195.1 days and collects up to 804mm (31.65") of precipitation.Sea temperature
In December, the average sea temperature in Coffs Harbour is 24°C (75.2°F).Note: Swimming in 24°C (75.2°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
With an average of 14h and 6min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 5:37 am and sunset at 7:35 pm. On the last day of December, in Coffs Harbour, sunrise is at 5:48 am and sunset at 7:52 pm AEDT.
Sunshine
In December, the average sunshine in Coffs Harbour is 9.9h.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Coffs Harbour. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 in December translates into these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coffs Harbour, Australia
- Average high temperature in December: 26.1°C
The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (11.1°C).
Average pressure in December
Coffs Harbour, Australia
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1013mbar).
Average wind speed in December
Coffs Harbour, Australia
- Average wind speed in December: 13.1km/h
The windiest month (with the highest average wind speed) is January (13.2km/h).
The calmest months (with the lowest average wind speed) are April and May (11.6km/h).
Average humidity in December
Coffs Harbour, Australia
- Average humidity in December: 76%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Coffs Harbour, Australia
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is February (110mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Coffs Harbour, Australia
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is March (22.5 days).
The month with the least rainy days is August (10.3 days).
Average sea temperature in December
Coffs Harbour, Australia
- Average sea temperature in December: 24°C
The best month for swimming (with the highest average sea temperature) is February (26°C).
The coldest month (with the lowest average sea temperature) is August (20°C).
Average daylight in December /
Average sunshine in December
Coffs Harbour, Australia
- Average daylight in December: 14h and 6min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 9h and 54min
The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Coffs Harbour, Australia
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is March (5.4 days).
Average UV index in December
Coffs Harbour, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in December
Coffs Harbour, Australia
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Coffs Harbour, 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).
