December weather forecastMerrywinebone, Australia

December

Weather in December

The first month of the summer, December, is still a hot month in Merrywinebone, Australia, with an average temperature ranging between max 33.6°C (92.5°F) and min 22.5°C (72.5°F).

Temperature

Merrywinebone's shift into December sets the average high-temperature at a still tropical 33.6°C (92.5°F), a figure that deviates only slightly from November's 31.6°C (88.9°F). In December, Merrywinebone records an average nighttime temperature of 22.5°C (72.5°F).

Heat index

For most parts of December, the heat index is estimated at a sweltering 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The months with the lowest humidity are January and December, with an average relative humidity of 40%.

Rainfall

The month with the most rainfall is December, when the rain falls for 8.3 days and typically aggregates up to 33mm (1.3") of precipitation.

Daylight

The month with the longest days in Merrywinebone is December, with an average of 14h and 0min of daylight.
On the first day of December in Merrywinebone, Australia, sunrise is at 5:56 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:08 pm AEDT.

Sunshine

December has the most sunshine of the year in Merrywinebone, with an average of 9.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Merrywinebone. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 7 during December leads to these instructions:
Shun overexposure. Protection from sun ravages is indispensable. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

An average high-temperature, in December, in Merrywinebone, is 33.6°C (92.5°F) and the average low-temperature is 22.5°C (72.5°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 35°C (95°F).

January and December, with an average relative humidity of 40%, are the least humid months.

In Merrywinebone, the average relative humidity in December is 40%.

The month with the most rainfall in Merrywinebone, Australia, is December, when the rain falls for 8.3 days and typically aggregates up to 33mm (1.3") of precipitation.

In Merrywinebone, in December, it is raining for 8.3 days, with typically 33mm (1.3") of accumulated precipitation.

December has the longest days of the year, with an average of 14h and 0min of daylight.

In Merrywinebone, the average day length in December is 14h and 1min.

On the first day of December in Merrywinebone, Australia, sunrise is at 5:56 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:08 pm AEDT.

With an average of 9.8h of sunshine, December has the most sunshine of the year in Merrywinebone.

The average sunshine duration in December in Merrywinebone, Australia, is 9.8h.

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Merrywinebone.

In Merrywinebone, Australia, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Merrywinebone, Australia

  • Average high temperature in December: 33.6°C

The warmest month (with the highest average high temperature) is January (35.5°C).
The month with the lowest average high temperature is July (17.1°C).

  • Average low temperature in December: 22.5°C

The month with the highest average low temperature is January (24.5°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).

Average pressure in December
Merrywinebone, Australia

  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1021.9mbar).
The month with the lowest atmospheric pressure is January (1009.5mbar).

Average wind speed in December
Merrywinebone, Australia

  • Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is November (13.9km/h).
The calmest months (with the lowest average wind speed) are April and May (10.6km/h).

Average humidity in December
Merrywinebone, Australia

  • Average humidity in December: 40%

The month with the highest relative humidity is June (74%).
The months with the lowest relative humidity are January and December (40%).

Average rainfall in December
Merrywinebone, Australia

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Merrywinebone, Australia

  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is January (9.5 days).
The month with the least rainy days is August (4.2 days).

Average daylight in December /
Average sunshine in December
Merrywinebone, Australia

  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 9h and 48min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 8h and 18min).

Average sunshine days in December
Merrywinebone, Australia

  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (19.6 days).

Average UV index in December
Merrywinebone, Australia

  • Average UV index in December: 7

The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).

Average cloud cover in December
Merrywinebone, Australia

  • Average cloud cover in December: 20

The month with the most cloud cover is June (Cloud cover 29).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in December
Merrywinebone, Australia

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, September, October, November and December (10km).
The months with the lowest visibility are June, July and August (9km).