December weather forecastNeutral Bay, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Neutral Bay, Australia, with temperature in the range of an average high of 25.8°C (78.4°F) and an average low of 17.9°C (64.2°F).Temperature
Neutral Bay notes an average high-temperature of a still moderately hot 25.8°C (78.4°F) in December, displaying minor variation from November. In the month of December, the average low-temperature in Neutral Bay usually rests at a refreshing 17.9°C (64.2°F).Humidity
The average relative humidity in December is 71%.Rainfall
In December, in Neutral Bay, the rain falls for 14.8 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 169 rainfall days, and 647mm (25.47") of precipitation is accumulated.Sea temperature
In Neutral Bay, the average seawater temperature in December is 21.9°C (71.4°F).Note: Most people do not find pleasure in swimming when the water temperature is 21.9°C (71.4°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.
Sunshine
The average sunshine in December in Neutral Bay is 9.7h.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 6 in December translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Neutral Bay, Australia
- Average high temperature in December: 25.8°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in December: 17.9°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 (9.7°C).
Average pressure in December
Neutral Bay, Australia
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Neutral Bay, Australia
- Average wind speed in December: 13.9km/h
The windiest months (with the highest average wind speed) are January and August (14km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in December
Neutral Bay, Australia
- Average humidity in December: 71%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in December
Neutral Bay, Australia
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is February (92mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in December
Neutral Bay, Australia
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (10.1 days).
Average sea temperature in December
Neutral Bay, Australia
- Average sea temperature in December: 21.9°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 (18.6°C).
Average daylight in December /
Average sunshine in December
Neutral Bay, 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
Neutral Bay, Australia
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in December
Neutral Bay, 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 May, June, July, August and September (UV index 4).
Average cloud cover in December
Neutral Bay, 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
Neutral Bay, 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).
