December weather forecastKoojan, Australia
December
Weather in December
The first month of the summer, December, is a hot month in Koojan, Australia, with an average temperature fluctuating between 18.1°C (64.6°F) and 32.5°C (90.5°F).Temperature
December's arrival brings a modest temperature shift, moving from a moderately hot 29.5°C (85.1°F) in November to a hot 32.5°C (90.5°F). Koojan's December nights see a large temperature deviation, with temperatures resting at a low of 18.1°C (64.6°F).Heat index
The heat index value for December is computed to be a tropical 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in December in Koojan is 44%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 8mm (0.31") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 6min of daylight.On the first day of the month, sunrise is at 5:05 am and sunset at 7:04 pm. On the last day of December, sunrise is at 5:15 am and sunset at 7:22 pm AWST.
Sunshine
The average sunshine in December is 11.5h.UV index
The months with the highest UV index in Koojan are January, February and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 during December leads to these advisories:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Koojan, Australia
- Average high temperature in December: 32.5°C
The warmest month (with the highest average high temperature) is January (34.8°C).
The month with the lowest average high temperature is July (17.1°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is February (20.9°C).
The coldest month (with the lowest average low temperature) is August (7.8°C).
Average pressure in December
Koojan, Australia
- Average pressure in December: 1011.3mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1010.1mbar).
Average wind speed in December
Koojan, Australia
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is July (10.7km/h).
Average humidity in December
Koojan, Australia
- Average humidity in December: 44%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is February (43%).
Average rainfall in December
Koojan, Australia
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in December
Koojan, Australia
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (11 days).
The month with the least rainy days is December (4.5 days).
Average daylight in December /
Average sunshine in December
Koojan, Australia
- Average daylight in December: 14h and 6min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 11h and 30min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 0min).
Average sunshine days in December
Koojan, Australia
- Average sunshine days in December: 25 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is August (17.6 days).
Average UV index in December
Koojan, Australia
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in December
Koojan, Australia
- Average cloud cover in December: 15
The months with the most cloud cover are July and August (Cloud cover 35).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Koojan, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is August (8km).
