December weather forecastCoolana, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Coolana, Australia, with temperature in the range of an average low of 18.4°C (65.1°F) and an average high of 28.9°C (84°F).Temperature
As Coolana welcomes December, the average high-temperature records at a still moderately hot 28.9°C (84°F), marking an insignificant deviation from the prior month. Throughout December, an average low-temperature of 18.4°C (65.1°F) is experienced in Coolana.Heat index
In December, the average heat index is computed to be a hot 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In December, the average relative humidity is 74%.Rainfall
In December, the rain falls for 16.6 days. Throughout December, 57mm (2.24") of precipitation is accumulated. In Coolana, Australia, during the entire year, the rain falls for 155.1 days and collects up to 433mm (17.05") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 48min of daylight.On the first day of the month, sunrise is at 4:46 am and sunset at 6:31 pm. On the last day of December, sunrise is at 4:57 am and sunset at 6:48 pm AEST.
Sunshine
In Coolana, the average sunshine in December is 9.6h.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Coolana. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in December translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Coolana, Australia
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (19.1°C).
- Average low temperature in December: 18.4°C
The months with the highest average low temperature are January and February (19.5°C).
The coldest month (with the lowest average low temperature) is July (9.4°C).
Average pressure in December
Coolana, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in December
Coolana, Australia
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).
Average humidity in December
Coolana, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is September (69%).
Average rainfall in December
Coolana, Australia
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is January (69mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in December
Coolana, Australia
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (6.6 days).
Average daylight in December /
Average sunshine in December
Coolana, Australia
- Average daylight in December: 13h and 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 9h and 36min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 24min).
Average sunshine days in December
Coolana, Australia
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in December
Coolana, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Coolana, Australia
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Coolana, 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).
