August weather forecast
Melbourne, Australia

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Melbourne city, Australia with a view of the Federation square across the Yarra River
Melbourne city, Australia with a view of the Federation square across the Yarra River

Weather in August

Melbourne in August begings to hint at warmer days ahead despite winter still being rampant with high temperatures retained at a chilly 13.4°C (56.1°F). As the wind continues to whip through the city at 13.9 Kph, there is minimal change in sea temperature from July. While the days begin to lengthen, the sunshine hours remain quite limited. Melbourne's weather in August typifies the Winter's end, allowing its residents to begin dreaming of warmer days while certainly keeping their coats within reach.

Temperature

Melbourne ushers in August with an average high-temperature of a refreshing 13.4°C (56.1°F), showing a close resemblance to the previous month. During August, Melbourne records an average temperature of 6.6°C (43.9°F) at night.

Humidity

In Melbourne, Australia, the average relative humidity in August is 76%.

Rainfall

The wettest months in Melbourne are August and December, with an average 45mm (1.77") of rainfall.

Sea temperature

In Melbourne, Australia, the average seawater temperature in August is 14.8°C (58.6°F).
Note: Swimming at temperatures less than 10°C (50°F) in 14.8°C (58.6°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.

Daylight

The average length of the day in August is 10h and 42min.
On the first day of August, sunrise is at 7:19 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:58 pm AEST.

Sunshine

The months with the least sunshine in Melbourne are July and August, with an average of 6.5h of sunshine.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, an average UV index of 3 transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are August temperatures in Melbourne?

An average high-temperature, in August, in Melbourne, is 13.4°C (56.1°F) and the average low-temperature is 6.6°C (43.9°F).

What is the average humidity in August in Melbourne?

The average relative humidity in August in Melbourne is 76%.

What is the wettest month in Melbourne?

The wettest months are August and December, with an average 45mm (1.77") of rainfall.

How many days does it rain in August in Melbourne?

In Melbourne, Australia, in August, it is raining for 16.9 days, with typically 45mm (1.77") of accumulated precipitation.

What is the water temperature in August in Melbourne?

In Melbourne, in August, the average water temperature is 14.8°C (58.6°F). Swimming in 14.8°C (58.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average day length in August is 10h and 42min.

When are sunrise and sunset in August in Melbourne?

On the first day of August, sunrise is at 7:19 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 5:58 pm AEST.

What are the months with the least sunshine in Melbourne?

The months with the least sunshine in Melbourne are July and August, with an average of 6.5h of sunshine.

How long on average sun shines in August in Melbourne?

The average sunshine duration in August in Melbourne is 6.5h.

What is the month with the lowest UV index in Melbourne?

The months with the lowest UV index in Melbourne are May through September, with an average maximum UV index of 3.

What is the UV index intensity in August in Melbourne?

In Melbourne, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in August
Melbourne, Australia

Average temperature in August - Melbourne, Australia
  • Average high temperature in August: 13.4°C

The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.4°C).

  • Average low temperature in August: 6.6°C

The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (6.6°C).

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Average pressure in August
Melbourne, Australia

Average pressure in August - Melbourne, Australia
  • Average pressure in August: 1017.3mbar

The month with the highest atmospheric pressure is June (1021.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).

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Average wind speed in August
Melbourne, Australia

Average wind speed in August - Melbourne, Australia
  • Average wind speed in August: 13.9km/h

The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).

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Average humidity in August
Melbourne, Australia

Average humidity in August - Melbourne, Australia
  • Average humidity in August: 76%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (63%).

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Average rainfall in August
Melbourne, Australia

Average rainfall in August - Melbourne, Australia
  • Average rainfall in August: 45mm

The wettest months (with the highest rainfall) are August and December (45mm).
The driest months (with the least rainfall) are March and April (34mm).

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Average rainfall days in August
Melbourne, Australia

Average rainfall days in August - Melbourne, Australia
  • Average rainfall days in August: 16.9 days

The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is January (9.5 days).

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Average sea temperature in August
Melbourne, Australia

Average sea temperature in August - Melbourne, Australia
  • Average sea temperature in August: 14.8°C

The best month for swimming (with the highest average sea temperature) is February (18.8°C).
The coldest month (with the lowest average sea temperature) is September (14.7°C).

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

Average daylight in August / Average sunshine in August - Melbourne, Australia
  • Average daylight in August: 10h and 4min

The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).

  • Average sunshine in August: 6h and 3min

The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are July and August (Average sunshine: 6h and 30min).

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Average sunshine days in August
Melbourne, Australia

Average sunshine days in August - Melbourne, Australia
  • Average sunshine days in August: 10.5 days

The month with the most sunshine days is January (16.7 days).
The months with the least sunshine days are July and August (10.5 days).

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Average UV index in August
Melbourne, Australia

Average UV index in August - Melbourne, Australia
  • Average UV index in August: 3

The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

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Average cloud cover in August
Melbourne, Australia

Average cloud cover in August - Melbourne, Australia
  • Average cloud cover in August: 48

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 30).

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Average visibility in August
Melbourne, Australia

Average visibility in August - Melbourne, Australia
  • Average visibility in August: 9km

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

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Melbourne, Australia

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