Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The arrival of December brings an average high-temperature of a warm 24.1°C (75.4°F), subtly diverging from November's 22.4°C (72.3°F). In Port Kembla, an average low-temperature of 17.5°C (63.5°F) is recorded during December nights.Humidity
In Port Kembla, the average relative humidity in December is 74%.Rainfall
In Port Kembla, during December, the rain falls for 15.5 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, there are 169 rainfall days, and 678mm (26.69") of precipitation is accumulated.Sea temperature
In Port Kembla, the average seawater temperature in December is 21.4°C (70.5°F).Note: Swimming in 21.4°C (70.5°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
December has the longest days of the year in Port Kembla, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:36 am and sunset at 7:54 pm. On the last day of December, in Port Kembla, Australia, sunrise is at 5:46 am and sunset at 8:12 pm AEDT.
Sunshine
In Port Kembla, the average sunshine in December is 9.7h.UV index
The months with the highest UV index in Port Kembla are January 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 ordinary individuals.Note: The UV index of 6 during December translates into the following guidance:
Resist overexposure. Safeguarding from solar damage is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port Kembla in December?
What is the average humidity in December in Port Kembla?
How much does it rain in Port Kembla in December?
What is the sea temperature in December in Port Kembla?
When are the longest days in Port Kembla?
How many hours of daylight does Port Kembla have in December?
When are sunrise and sunset in December in Port Kembla?
How long on average sun shines in December in Port Kembla?
When is the highest UV index in Port Kembla?
How high is the UV index in December in Port Kembla?
Average temperature in December
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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 sea temperature in December
Port Kembla, Australia
- Average sea temperature in December: 21.4°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in December /
Average sunshine in December
Port Kembla, Australia
- Average daylight in December: 14h and 2min
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 4min
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
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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
Port Kembla, 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).
