December weather forecastBonnet Bay, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Bonnet Bay, Australia, with an average temperature fluctuating between 17.1°C (62.8°F) and 27.7°C (81.9°F).Temperature
Bonnet Bay records an average high-temperature of a still moderately hot 27.7°C (81.9°F) in December, closely mirroring the climate of the previous month. Throughout December, Bonnet Bay experiences a low-temperature average of 17.1°C (62.8°F).Heat index
The heat index value during December is computed to be a tropical 30°C (86°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Bonnet Bay, the average relative humidity in December is 68%.Rainfall
In Bonnet Bay, in December, during 12.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Bonnet Bay, during the entire year, the rain falls for 138.7 days and collects up to 508mm (20") of precipitation.Sea temperature
In Bonnet Bay, the average seawater temperature in December is 21.6°C (70.9°F).Note: For most, swimming in 21.6°C (70.9°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the longest days in Bonnet Bay, Australia, is December, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 5:37 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm AEDT.
Sunshine
In December, the average sunshine is 9.3h.UV index
The months with the highest UV index in Bonnet Bay are January, February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bonnet Bay, Australia
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in December: 17.1°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8°C).
Average pressure in December
Bonnet Bay, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Bonnet Bay, Australia
- Average wind speed in December: 10.2km/h
The windiest months (with the highest average wind speed) are January, September and December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in December
Bonnet Bay, Australia
- Average humidity in December: 68%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Bonnet Bay, Australia
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is February (83mm).
The driest months (with the least rainfall) are May and September (26mm).
Average rainfall days in December
Bonnet Bay, Australia
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is February (15.8 days).
The month with the least rainy days is August (7.3 days).
Average sea temperature in December
Bonnet Bay, 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
Bonnet 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 18min
The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Bonnet Bay, Australia
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Bonnet 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
Bonnet Bay, Australia
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Bonnet Bay, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





