December weather forecastGlenorie, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Glenorie, Australia, with an average temperature ranging between max 28.4°C (83.1°F) and min 15.9°C (60.6°F).Temperature
Glenorie's weather in December, with an average high-temperature of a still warm 28.4°C (83.1°F), subtly shifts from November's 26.4°C (79.5°F). December nights in Glenorie showcase a dramatic shift from daytime highs to an average temperature of 15.9°C (60.6°F).Heat index
The average heat index in December is appraised at a tropical 31°C (87.8°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in December in Glenorie is 68%.Rainfall
In December, the rain falls for 13.9 days. Throughout December, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 143.3 rainfall days, and 508mm (20") of precipitation is accumulated.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 5:38 am and sunset at 7:51 pm. On the last day of December, in Glenorie, sunrise is at 5:48 am and sunset at 8:09 pm AEDT.
Sunshine
The months with the most sunshine in Glenorie are November and December, with an average of 9.7h 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 estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 6 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glenorie, Australia
- Average high temperature in December: 28.4°C
The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is June (16.1°C).
- Average low temperature in December: 15.9°C
The month with the highest average low temperature is January (17.6°C).
The coldest month (with the lowest average low temperature) is July (6.6°C).
Average pressure in December
Glenorie, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in December
Glenorie, Australia
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).
Average humidity in December
Glenorie, Australia
- Average humidity in December: 68%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is September (66%).
Average rainfall in December
Glenorie, Australia
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is February (99mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in December
Glenorie, Australia
- Average rainfall days in December: 13.9 days
The months with the highest number of rainy days are January and March (16.3 days).
The month with the least rainy days is August (6.7 days).
Average daylight in December /
Average sunshine in December
Glenorie, 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 42min
The months with the most sunshine are November and December (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Glenorie, Australia
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Glenorie, 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 April, May, June, July, August and September (UV index 4).
Average cloud cover in December
Glenorie, Australia
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Glenorie, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are February, March, April and November (8km).





