December weather forecastChallambra, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Challambra, Australia, with an average temperature ranging between min 14.5°C (58.1°F) and max 27.7°C (81.9°F).Temperature
With the onset of December, Challambra's average high-temperature sees a modest rise, moving from November's 24.5°C (76.1°F) to a still moderately hot 27.7°C (81.9°F). In the face of high daytime temperatures, Challambra witnesses a consistent average nighttime low of 14.5°C (58.1°F) during December.Heat index
December's mean heat index is calculated to be 28°C (82.4°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In Challambra, the average relative humidity in December is 50%.Rainfall
The month with the most rainfall is December, when the rain falls for 8.5 days and typically aggregates up to 38mm (1.5") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 36min of daylight.On the first day of the month, sunrise is at 6:05 am and sunset at 8:32 pm. On the last day of December, in Challambra, sunrise is at 6:15 am and sunset at 8:50 pm AEDT.
Sunshine
In Challambra, Australia, the average sunshine in December is 8.8h.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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 6 transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Challambra, Australia
- Average high temperature in December: 27.7°C
The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (12.8°C).
- Average low temperature in December: 14.5°C
The months with the highest average low temperature are January and February (16.7°C).
The coldest month (with the lowest average low temperature) is August (5.3°C).
Average pressure in December
Challambra, Australia
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.1mbar).
Average wind speed in December
Challambra, Australia
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is August (14.3km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).
Average humidity in December
Challambra, Australia
- Average humidity in December: 50%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is January (44%).
Average rainfall in December
Challambra, Australia
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are February and March (15mm).
Average rainfall days in December
Challambra, Australia
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is January (5 days).
Average daylight in December /
Average sunshine in December
Challambra, Australia
- Average daylight in December: 14h and 36min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in December: 8h and 48min
The month with the most sunshine is January (Average sunshine: 9h and 18min).
The months with the least sunshine are July and August (Average sunshine: 6h and 48min).
Average sunshine days in December
Challambra, Australia
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in December
Challambra, 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 May, June, July, August and September (UV index 3).
Average cloud cover in December
Challambra, Australia
- Average cloud cover in December: 24
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Challambra, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (8km).
