December weather forecast
Parramatta, Australia

englishespañol中文
Share

Weather in December

The first month of the summer, December, is also a moderately hot month in Parramatta, Australia, with an average temperature varying between 27.7°C (81.9°F) and 17.1°C (62.8°F).

Temperature

Parramatta's transition from November to December introduces an average high-temperature of a still moderately hot 27.7°C (81.9°F), marking an insignificant variation from the 26.1°C (79°F). During December, Parramatta's temperature averages to a refreshing 17.1°C (62.8°F) at night.

Heat index

For most parts of December, the heat index is evaluated at a tropical 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

The average relative humidity in December in Parramatta, Australia, is 68%.

Rainfall

In Parramatta, in December, during 14 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 149.1 rainfall days, and 546mm (21.5") of precipitation is accumulated.

Daylight

December has the longest days of the year in Parramatta, with an average of 14h and 24min of daylight.
On the first day of December in Parramatta, Australia, sunrise is at 5:38 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:09 pm AEDT.

Sunshine

November and December, with an average of 9.4h of sunshine, are months with the most sunshine.

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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
[Resources]

Frequently asked questions

What are the temperatures in Parramatta in December?

The high-temperature, in December, in Parramatta, records 27.7°C (81.9°F), while the low-temperature is 17.1°C (62.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in December is evaluated at 30°C (86°F).

What is the average humidity in December in Parramatta?

In Parramatta, Australia, the average relative humidity in December is 68%.

How much does it rain in Parramatta in December?

In Parramatta, in December, during 14 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

When are the longest days in Parramatta?

December has the longest days of the year in Parramatta, with an average of 14h and 24min of daylight.

What is the average length of the day in December in Parramatta?

The average day length in December in Parramatta, Australia, is 14h and 22min.

When are sunrise and sunset in December in Parramatta?

In December, on the first day of the month, sunrise is at 5:38 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:09 pm AEDT.

What is the month with the most sunshine in Parramatta?

The months with the most sunshine are November and December, with an average of 9.4h of sunshine.

How many hours of sunshine does Parramatta have in December?

In December, the average sunshine duration is 9.4h.

When is the highest UV index in Parramatta?

The months with the highest UV index in Parramatta are January, February, November and December, with an average maximum UV index of 6.

What is the UV index intensity in December in Parramatta?

In December, the average daily maximum UV index in Parramatta, Australia, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in December
Parramatta, Australia

Average temperature in December - Parramatta, Australia
  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is June (16.8°C).

  • Average low temperature in December: 17.1°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

[Resources]

Average pressure in December
Parramatta, Australia

Average pressure in December - Parramatta, Australia
  • Average pressure in December: 1013.3mbar

The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

[Resources]

Average wind speed in December
Parramatta, Australia

Average wind speed in December - Parramatta, Australia
  • Average wind speed in December: 10.2km/h

The windiest month (with the highest average wind speed) is December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).

[Resources]

Average humidity in December
Parramatta, Australia

Average humidity in December - Parramatta, Australia
  • Average humidity in December: 68%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).

[Resources]

Average rainfall in December
Parramatta, Australia

Average rainfall in December - Parramatta, Australia
  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is February (87mm).
The driest month (with the least rainfall) is May (27mm).

[Resources]

Average rainfall days in December
Parramatta, Australia

Average rainfall days in December - Parramatta, Australia
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (7.9 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Parramatta, Australia
  • Average daylight in December: 14h and 2min

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: 9h and 2min

The months with the most sunshine are November and December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

[Resources]

Average sunshine days in December
Parramatta, Australia

Average sunshine days in December - Parramatta, Australia
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is August (21 days).
The month with the least sunshine days is February (10.4 days).

[Resources]

Average UV index in December
Parramatta, Australia

Average UV index in December - Parramatta, 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 4).

[Resources]

Average cloud cover in December
Parramatta, Australia

Average cloud cover in December - Parramatta, Australia
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).

[Resources]

Average visibility in December
Parramatta, Australia

Average visibility in December - Parramatta, Australia
  • Average visibility in December: 9km

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

[Resources]

Parramatta, Australia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location