December weather forecastSutherlands, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Sutherlands, Australia, with an average temperature ranging between max 28.5°C (83.3°F) and min 15.2°C (59.4°F).Temperature
The start of December brings a subtle rise in the average high-temperature, moving from a warm 25.5°C (77.9°F) in November to a still moderately hot 28.5°C (83.3°F). December nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a moderate 15.2°C (59.4°F).Heat index
In December, the heat index is evaluated at 29°C (84.2°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 are highly critical for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Sutherlands, the average relative humidity in December is 48%.Rainfall
The wettest months are August and December, with an average 22mm (0.87") of rainfall.Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of December, in Sutherlands, sunrise is at 6:04 am and sunset at 8:28 pm ACDT.
Sunshine
With an average of 10.2h of sunshine, December has the most sunshine of the year in Sutherlands.UV index
With an average maximum UV index of 7, December is the month with the highest UV index in Sutherlands. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sutherlands, Australia
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is January (31.2°C).
The month with the lowest average high temperature is July (13.7°C).
- Average low temperature in December: 15.2°C
The month with the highest average low temperature is January (16.9°C).
The coldest month (with the lowest average low temperature) is August (5.5°C).
Average pressure in December
Sutherlands, Australia
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is June (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).
Average wind speed in December
Sutherlands, Australia
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is August (13.4km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).
Average humidity in December
Sutherlands, Australia
- Average humidity in December: 48%
The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (45%).
Average rainfall in December
Sutherlands, Australia
- Average rainfall in December: 22mm
The wettest months (with the highest rainfall) are August and December (22mm).
The driest month (with the least rainfall) is March (10mm).
Average rainfall days in December
Sutherlands, Australia
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is January (5.1 days).
Average daylight in December /
Average sunshine in December
Sutherlands, 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: 10h and 12min
The month with the most sunshine is December (Average sunshine: 10h and 12min).
The month with the least sunshine is August (Average sunshine: 6h and 24min).
Average sunshine days in December
Sutherlands, Australia
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is August (17.2 days).
Average UV index in December
Sutherlands, Australia
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover in December
Sutherlands, Australia
- Average cloud cover in December: 24
The months with the most cloud cover are July and August (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 19).
Average visibility in December
Sutherlands, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is August (8km).
