December weather forecastMerrigum, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Merrigum, Australia, with an average temperature fluctuating between 14.2°C (57.6°F) and 28.3°C (82.9°F).Temperature
December's arrival sees a mild rise in the average high-temperature, transitioning from November's warm 25.1°C (77.2°F) to a still moderately hot 28.3°C (82.9°F). Merrigum, in December, displays a significant temperature downturn during the night, with an average reading of 14.2°C (57.6°F).Heat index
During December, the heat index is appraised at 29°C (84.2°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In December, the average relative humidity is 53%.Rainfall
In Merrigum, Australia, in December, it is raining for 8 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 111.6 rainfall days, and 373mm (14.69") of precipitation is accumulated.Snowfall
In Merrigum, Australia, snow does not fall in January through August, October through December.Daylight
The month with the longest days in Merrigum, Australia, is December, with an average of 14h and 36min of daylight.On the first day of the month, sunrise is at 5:54 am and sunset at 8:22 pm. On the last day of December, sunrise is at 6:04 am and sunset at 8:40 pm AEDT.
Sunshine
December has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Merrigum. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Resist overexposure. Safeguarding from solar damage 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merrigum, Australia
- Average high temperature in December: 28.3°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 (12.2°C).
- Average low temperature in December: 14.2°C
The month with the highest average low temperature is January (16.3°C).
The coldest month (with the lowest average low temperature) is August (3.8°C).
Average pressure in December
Merrigum, Australia
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is June (1022.1mbar).
The month with the lowest atmospheric pressure is January (1011.4mbar).
Average wind speed in December
Merrigum, Australia
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is December (10.3km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in December
Merrigum, Australia
- Average humidity in December: 53%
The months with the highest relative humidity are June and July (86%).
The month with the lowest relative humidity is January (49%).
Average rainfall in December
Merrigum, Australia
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is November (38mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in December
Merrigum, Australia
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is August (13 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Merrigum, Australia
- Average snowfall in December: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in December
Merrigum, Australia
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Merrigum, 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: 10h and 48min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in December
Merrigum, Australia
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is August (15.6 days).
Average UV index in December
Merrigum, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February 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
Merrigum, Australia
- Average cloud cover in December: 22
The month with the most cloud cover is July (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Merrigum, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are June, July and August (7km).
