August weather forecast
Newcastle, Australia

Weather in August

The last month of the winter, August, is also an enjoyable month in Newcastle, Australia, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 17.4°C (63.3°F).

Temperature

In August, the average high-temperature is practically the same as in July - a still comfortable 17.4°C (63.3°F). The average low-temperature, in Newcastle, is 10.8°C (51.4°F).

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 69%.

Rainfall

The month with the least rainfall is August, when the rain falls for 10.2 days and typically collects 34mm (1.34") of precipitation.

Sea temperature

The month with the coldest seawater is August, with an average sea temperature of 18.9°C (66°F).
Note: Swimming in 18.9°C (66°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in August is 10h and 56min.
On the first day of August, sunrise is at 6:43 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 5:34 pm AEST.

Sunshine

The average sunshine in August is 8.5h.

UV index

The months with the lowest UV index in Newcastle are May through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in August interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What are the least humid months in Newcastle?

August and September, with an average relative humidity of 69%, are the least humid months in Newcastle.

What is the average humidity in August in Newcastle?

In August, the average relative humidity is 69%.

What is the driest month in Newcastle?

The month with the least rainfall is August, when the rain falls for 10.2 days and typically collects 34mm (1.34") of precipitation.

How much does it rain in Newcastle in August?

In August, the rain falls for 10.2 days. Throughout August, 34mm (1.34") of precipitation is accumulated.

What is the month with the coldest sea water in Newcastle?

The month with the coldest seawater in Newcastle is August, with an average sea temperature of 18.9°C (66°F).

What is the sea water temperature in August in Newcastle?

In Newcastle, in August, the average water temperature is 18.9°C (66°F). Swimming in 18.9°C (66°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in August in Newcastle?

In August, the average day length in Newcastle is 10h and 56min.

When are sunrise and sunset in August in Newcastle?

On the first day of August, sunrise is at 6:43 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 5:34 pm AEST.

How long on average sun shines in August in Newcastle?

In Newcastle, the average sunshine duration in August is 8.5h.

What are the months with the lowest UV index in Newcastle?

The months with the lowest UV index are May through August, with an average maximum UV index of 4.

What is the UV index reading in August in Newcastle?

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in August
Newcastle, Australia

Average temperature in August - Newcastle, Australia
  • Average high temperature in August: 17.4°C

The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in August: 10.8°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).

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Average pressure in August
Newcastle, Australia

Average pressure in August - Newcastle, Australia
  • Average pressure in August: 1018.2mbar

The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

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Average wind speed in August
Newcastle, Australia

Average wind speed in August - Newcastle, Australia
  • Average wind speed in August: 16.7km/h

The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).

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Average humidity in August
Newcastle, Australia

Average humidity in August - Newcastle, Australia
  • Average humidity in August: 69%

The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).

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Average rainfall in August
Newcastle, Australia

Average rainfall in August - Newcastle, Australia
  • Average rainfall in August: 34mm

The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).

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Average rainfall days in August
Newcastle, Australia

Average rainfall days in August - Newcastle, Australia
  • Average rainfall days in August: 10.2 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).

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Average sea temperature in August
Newcastle, Australia

Average sea temperature in August - Newcastle, Australia
  • Average sea temperature in August: 18.9°C

The best month for swimming (with the highest average sea temperature) is February (24°C).
The coldest month (with the lowest average sea temperature) is August (18.9°C).

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Average daylight in August /
Average sunshine in August
Newcastle, Australia

Average daylight in August / Average sunshine in August - Newcastle, Australia
  • Average daylight in August: 10h and 56min

The month with the longest days is December (Average daylight: 14h and 17min).
The month with the shortest days is June (Average daylight: 10h and 1min).

  • Average sunshine in August: 8h and 30min

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

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Average sunshine days in August
Newcastle, Australia

Average sunshine days in August - Newcastle, Australia
  • Average sunshine days in August: 18.3 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in August
Newcastle, Australia

Average UV index in August - Newcastle, Australia
  • Average UV index in August: 4

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 and August (UV index 4).

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Average cloud cover in August
Newcastle, Australia

Average cloud cover in August - Newcastle, Australia
  • Average cloud cover in August: 24

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).

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Average visibility in August
Newcastle, Australia

Average visibility in August - Newcastle, Australia
  • Average visibility in August: 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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