December weather forecastEdgeroi, Australia
December
Weather in December
The first month of the summer, December, is still a hot month in Edgeroi, Australia, with an average temperature fluctuating between 32.5°C (90.5°F) and 21.2°C (70.2°F).Temperature
With December's arrival, Edgeroi notes an average high-temperature of a still tropical 32.5°C (90.5°F), closely following the trend of the preceding month. Edgeroi throughout December, experiences an average nighttime temperature of 21.2°C (70.2°F).Heat index
In December, the average heat index is estimated at a fiery hot 35°C (95°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In December, the average relative humidity is 48%.Rainfall
In Edgeroi, in December, during 10.6 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 104.4 rainfall days, and 421mm (16.57") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 5:51 am and sunset at 7:48 pm. On the last day of December, sunrise is at 6:02 am and sunset at 8:05 pm AEDT.
Sunshine
With an average of 10.8h of sunshine, December has the most sunshine of the year.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 7 in December translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Edgeroi, Australia
- Average high temperature in December: 32.5°C
The warmest month (with the highest average high temperature) is January (33.8°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in December: 21.2°C
The month with the highest average low temperature is January (22.7°C).
The coldest months (with the lowest average low temperature) are July and August (7.1°C).
Average pressure in December
Edgeroi, Australia
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1022mbar).
The month with the lowest atmospheric pressure is January (1010.9mbar).
Average wind speed in December
Edgeroi, Australia
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is November (14.2km/h).
The calmest months (with the lowest average wind speed) are April and May (11.1km/h).
Average humidity in December
Edgeroi, Australia
- Average humidity in December: 48%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (47%).
Average rainfall in December
Edgeroi, Australia
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is March (53mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Edgeroi, Australia
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is March (10.8 days).
The months with the least rainy days are May and August (6.3 days).
Average daylight in December /
Average sunshine in December
Edgeroi, Australia
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 10h and 48min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is June (Average sunshine: 8h and 18min).
Average sunshine days in December
Edgeroi, Australia
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (23.9 days).
The months with the least sunshine days are November and December (17.4 days).
Average UV index in December
Edgeroi, Australia
- Average UV index in December: 7
The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in December
Edgeroi, Australia
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Edgeroi, 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).





