December weather forecastKurnell, Australia
December
Weather in December
December, the first month of the summer in Kurnell, is still a warm month, with an average temperature ranging between min 18.4°C (65.1°F) and max 25.5°C (77.9°F).Temperature
December's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 25.5°C (77.9°F) from November's 23.8°C (74.8°F). Kurnell's average low-temperature during December nights is observed to be a refreshing 18.4°C (65.1°F).Humidity
In December, the average relative humidity is 71%.Rainfall
In December, in Kurnell, the rain falls for 10.5 days. Throughout December, 23mm (0.91") of precipitation is accumulated. Throughout the year, in Kurnell, there are 139.8 rainfall days, and 348mm (13.7") of precipitation is accumulated.Sea temperature
In December, the average sea temperature in Kurnell is 21.6°C (70.9°F).Note: Swimming in water that is 21.6°C (70.9°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the longest days in Kurnell is December, 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 7:51 pm. On the last day of December, in Kurnell, sunrise is at 5:46 am and sunset at 8:09 pm AEDT.
Sunshine
The average sunshine in December is 9.7h.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: During December, 6 as the daily maximum UV index converts into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kurnell, Australia
- Average high temperature in December: 25.5°C
The warmest month (with the highest average high temperature) is January (26.9°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in December: 18.4°C
The months with the highest average low temperature are January and February (20.1°C).
The coldest month (with the lowest average low temperature) is July (10.1°C).
Average pressure in December
Kurnell, 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
Kurnell, Australia
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is August (15.8km/h).
The calmest month (with the lowest average wind speed) is April (13.5km/h).
Average humidity in December
Kurnell, Australia
- Average humidity in December: 71%
The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Kurnell, Australia
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is March (43mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Kurnell, Australia
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (9.2 days).
Average sea temperature in December
Kurnell, Australia
- Average sea temperature in December: 21.6°C
The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in December /
Average sunshine in December
Kurnell, 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
Kurnell, Australia
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is July (17.6 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in December
Kurnell, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February 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
Kurnell, Australia
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Kurnell, 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).
