December weather forecastUndalya, Australia
December
Weather in December
The first month of the summer, December, is still a warm month in Undalya, Australia, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 16.5°C (61.7°F).Temperature
The commencement of December records an average high-temperature of a still warm 29.3°C (84.7°F), barely varying from November's 26.6°C (79.9°F). Despite a noticeable differential from daytime highs, Undalya notes an average nighttime low-temperature of 16.5°C (61.7°F) in December.Heat index
The average heat index in December is estimated at 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in December is 43%.Rainfall
In Undalya, during December, the rain falls for 6 days and regularly aggregates up to 15mm (0.59") of precipitation. Throughout the year, there are 95.1 rainfall days, and 190mm (7.48") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of December, sunrise is at 5:56 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:29 pm ACDT.
Sunshine
With an average of 10.2h of sunshine, December has the most sunshine of the year.UV index
The month with the highest UV index is December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 7 in December suggests the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Undalya, Australia
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is January (32°C).
The month with the lowest average high temperature is July (14.2°C).
- Average low temperature in December: 16.5°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is August (5.9°C).
Average pressure in December
Undalya, Australia
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is June (1022.4mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in December
Undalya, Australia
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is August (13.8km/h).
The calmest month (with the lowest average wind speed) is April (11.2km/h).
Average humidity in December
Undalya, Australia
- Average humidity in December: 43%
The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (40%).
Average rainfall in December
Undalya, Australia
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is August (28mm).
The driest month (with the least rainfall) is March (8mm).
Average rainfall days in December
Undalya, Australia
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is August (11.3 days).
The month with the least rainy days is February (4.6 days).
Average daylight in December /
Average sunshine in December
Undalya, 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: 7h and 18min).
Average sunshine days in December
Undalya, Australia
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (16.8 days).
Average UV index in December
Undalya, Australia
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The month with the lowest UV index is June (UV index 3).
Average cloud cover in December
Undalya, Australia
- Average cloud cover in December: 19
The months with the most cloud cover are June, July and August (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in December
Undalya, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).





