December weather forecastSandy Hollow, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Sandy Hollow, Australia, with temperature in the range of an average low of 15.6°C (60.1°F) and an average high of 28.9°C (84°F).Temperature
December denotes a minimal variation in the average high-temperature to a still warm 28.9°C (84°F) from November's 27°C (80.6°F). Against the high December temperatures, Sandy Hollow records an average drop to a mild 15.6°C (60.1°F) at night.Heat index
In December, the heat index is computed to be a tropical 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
December is the least humid month in Sandy Hollow, with an average relative humidity of 63%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Sandy Hollow, during the entire year, the rain falls for 124.2 days and collects up to 409mm (16.1") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 12min of daylight.On the first day of the month, sunrise is at 5:43 am and sunset at 7:50 pm. On the last day of December, in Sandy Hollow, Australia, sunrise is at 5:53 am and sunset at 8:07 pm AEDT.
Sunshine
With an average of 10.4h of sunshine, December has the most sunshine of the year in Sandy Hollow.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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sandy Hollow, Australia
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (14.3°C).
- Average low temperature in December: 15.6°C
The month with the highest average low temperature is January (17.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).
Average pressure in December
Sandy Hollow, Australia
- Average pressure in December: 1013.1mbar
The months with the highest atmospheric pressure are June and July (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.5mbar).
Average wind speed in December
Sandy Hollow, Australia
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is September (8km/h).
The calmest months (with the lowest average wind speed) are April and May (6.3km/h).
Average humidity in December
Sandy Hollow, Australia
- Average humidity in December: 63%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is December (63%).
Average rainfall in December
Sandy Hollow, Australia
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in December
Sandy Hollow, Australia
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is May (8.3 days).
Average daylight in December /
Average sunshine in December
Sandy Hollow, Australia
- Average daylight in December: 14h and 12min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in December: 10h and 24min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).
Average sunshine days in December
Sandy Hollow, Australia
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is May (20.4 days).
The month with the least sunshine days is February (15.6 days).
Average UV index in December
Sandy Hollow, 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 June and July (UV index 3).
Average cloud cover in December
Sandy Hollow, Australia
- Average cloud cover in December: 34
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Sandy Hollow, Australia
- Average visibility in December: 9km
The months with the highest visibility are January and December (9km).
The months with the lowest visibility are April, June and July (7km).





