December weather forecast
Balgowlah Heights, Australia

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Weather in December

The first month of the summer, December, is still a warm month in Balgowlah Heights, Australia, with an average temperature ranging between min 18.5°C (65.3°F) and max 24.8°C (76.6°F).

Temperature

The average high-temperature is a still warm 24.8°C (76.6°F) in December, hardly different from the 23.5°C (74.3°F) recorded in November. Balgowlah Heights experiences a steady low-temperature of 18.5°C (65.3°F) throughout December.

Humidity

In December, the average relative humidity in Balgowlah Heights is 73%.

Rainfall

In December, in Balgowlah Heights, the rain falls for 13 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 152.6 rainfall days, and 635mm (25") of precipitation is accumulated.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year in Balgowlah Heights.
On the first day of December, sunrise is at 5:37 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:08 pm AEDT.

Sunshine

In December, the average sunshine is 9.9h.

UV index

The months with the highest UV index in Balgowlah Heights, Australia, are January, February and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during December translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jan 26, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What is the average December temperature in Balgowlah Heights?

The average high-temperature and low-temperature in Balgowlah Heights during December are 24.8°C (76.6°F) and 18.5°C (65.3°F) respectively.

What is the average humidity in December in Balgowlah Heights?

In December, the average relative humidity is 73%.

How much does it rain in Balgowlah Heights in December?

In December, in Balgowlah Heights, the rain falls for 13 days. Throughout December, 42mm (1.65") of precipitation is accumulated.

When are the longest days in Balgowlah Heights?

The month with the longest days in Balgowlah Heights is December, with an average of 14h and 24min of daylight.

How many hours of daylight does Balgowlah Heights have in December?

In December, the average day length in Balgowlah Heights is 14h and 22min.

When are sunrise and sunset in December in Balgowlah Heights?

In December, on the first day of the month, sunrise is at 5:37 am and sunset at 7:50 pm. On the last day of the month, in Balgowlah Heights, sunrise is at 5:47 am and sunset at 8:08 pm AEDT.

How long on average sun shines in December in Balgowlah Heights?

In Balgowlah Heights, Australia, the average sunshine duration in December is 9.9h.

What are the months with the highest UV index in Balgowlah Heights?

January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Balgowlah Heights, Australia.

What is the UV index reading in December in Balgowlah Heights?

In December, the average daily maximum UV index in Balgowlah Heights, Australia, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
Balgowlah Heights, Australia

Average temperature in December - Balgowlah Heights, Australia
  • Average high temperature in December: 24.8°C

The warmest month (with the highest average high temperature) is January (26.2°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (20.3°C).
The coldest months (with the lowest average low temperature) are July and August (10.9°C).

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Average pressure in December
Balgowlah Heights, Australia

Average pressure in December - Balgowlah Heights, Australia
  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

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Average wind speed in December
Balgowlah Heights, Australia

Average wind speed in December - Balgowlah Heights, Australia
  • Average wind speed in December: 16.5km/h

The windiest month (with the highest average wind speed) is August (16.8km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).

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Average humidity in December
Balgowlah Heights, Australia

Average humidity in December - Balgowlah Heights, Australia
  • Average humidity in December: 73%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in December
Balgowlah Heights, Australia

Average rainfall in December - Balgowlah Heights, Australia
  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is February (95mm).
The driest month (with the least rainfall) is September (32mm).

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Average rainfall days in December
Balgowlah Heights, Australia

Average rainfall days in December - Balgowlah Heights, Australia
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is September (8.7 days).

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Average daylight in December /
Average sunshine in December
Balgowlah Heights, Australia

Average daylight in December / Average sunshine in December - Balgowlah Heights, 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 5min

The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

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Average sunshine days in December
Balgowlah Heights, Australia

Average sunshine days in December - Balgowlah Heights, Australia
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is February (10.8 days).

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Average UV index in December
Balgowlah Heights, Australia

Average UV index in December - Balgowlah Heights, 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 June, July, August and September (UV index 4).

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Average cloud cover in December
Balgowlah Heights, Australia

Average cloud cover in December - Balgowlah Heights, Australia
  • Average cloud cover in December: 36

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in December
Balgowlah Heights, Australia

Average visibility in December - Balgowlah Heights, Australia
  • Average visibility in December: 10km

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

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Balgowlah Heights, Australia

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