December weather forecastNelson Bay, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Nelson Bay, Australia, with temperature in the range of an average high of 25.3°C (77.5°F) and an average low of 18.7°C (65.7°F).Temperature
December records an average high-temperature of a still warm 25.3°C (77.5°F), indicating a minor variation from the preceding month. During December, the nighttime temperature averages to a comfortable 18.7°C (65.7°F).Humidity
In Nelson Bay, the average relative humidity in December is 74%.Rainfall
In Nelson Bay, in December, it is raining for 14 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.Sea temperature
In Nelson Bay, in December, the average water temperature is 22.9°C (73.2°F).Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 22.9°C (73.2°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
The month with the longest days in Nelson Bay is December, with an average of 14h and 18min of daylight.On the first day of December in Nelson Bay, sunrise is at 5:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:02 pm AEDT.
Sunshine
The months with the most sunshine in Nelson Bay, Australia, are November and December, with an average of 9.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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
Nelson Bay, Australia
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).
Average pressure in December
Nelson 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 (1012.8mbar).
Average wind speed in December
Nelson Bay, Australia
- Average wind speed in December: 15.8km/h
The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).
Average humidity in December
Nelson Bay, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).
Average rainfall in December
Nelson Bay, Australia
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in December
Nelson Bay, Australia
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).
Average sea temperature in December
Nelson Bay, Australia
- Average sea temperature in December: 22.9°C
The best months for swimming (with the highest average sea temperature) are February and March (24.3°C).
The coldest month (with the lowest average sea temperature) is August (19.1°C).
Average daylight in December /
Average sunshine in December
Nelson Bay, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 9h and 48min
The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Nelson Bay, Australia
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in December
Nelson 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 and August (UV index 4).
Average cloud cover in December
Nelson Bay, Australia
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Nelson 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).
