August weather forecast
Castle Hill, Australia

August

Weather in August

August, the last month of the winter in Castle Hill, is another comfortable month, with temperature in the range of an average low of 8.3°C (46.9°F) and an average high of 18.3°C (64.9°F).

Temperature

The transition from July to August sees average high-temperatures adjusting to a still enjoyable 18.3°C (64.9°F), from a not significantly different 16.9°C (62.4°F). Castle Hill experiences an average low-temperature of 8.3°C (46.9°F) in month of August.

Humidity

The average relative humidity in August is 66%.

Rainfall

In August, the rain falls for 7.9 days. Throughout August, 29mm (1.14") of precipitation is accumulated. Throughout the year, in Castle Hill, there are 149.1 rainfall days, and 546mm (21.5") of precipitation is accumulated.

Daylight

In August, the average length of the day is 10h and 54min.
On the first day of August in Castle Hill, sunrise is at 6:47 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 5:37 pm AEST.

Sunshine

In Castle Hill, the average sunshine in August is 8.4h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 4. 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, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What are August temperatures in Castle Hill?
The average high-temperature, in August, in Castle Hill, is 18.3°C (64.9°F), while the average low-temperature is 8.3°C (46.9°F). In February, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 30°C (86°F).
What is the average humidity in August in Castle Hill?
In Castle Hill, Australia, the average relative humidity in August is 66%.
How many days does it rain in August in Castle Hill?
In Castle Hill, Australia, during August, the rain falls for 7.9 days and regularly aggregates up to 29mm (1.14") of precipitation.
What is the average length of the day in August in Castle Hill?
In August, the average day length in Castle Hill, Australia, is 10h and 54min.
When is the sunrise / sunset in August in Castle Hill?
On the first day of August in Castle Hill, sunrise is at 6:47 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 5:37 pm AEST.
How many hours of sunshine does Castle Hill have in August?
In August, the average sunshine duration in Castle Hill is 8.4h.
What are the months with the lowest UV index in Castle Hill?
The months with the lowest UV index in Castle Hill are May through September, with an average maximum UV index of 4.
What is the UV index intensity in August in Castle Hill?
In August, the average daily maximum UV index in Castle Hill is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Castle Hill, Australia
  • Average high temperature in August: 18.3°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 August: 8.3°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).

Average pressure in August
Castle Hill, Australia
  • Average pressure in August: 1018.1mbar

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

Average wind speed in August
Castle Hill, Australia
  • Average wind speed in August: 10km/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).

Average humidity in August
Castle Hill, Australia
  • Average humidity in August: 66%

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

Average rainfall in August
Castle Hill, Australia
  • Average rainfall in August: 29mm

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

Average rainfall days in August
Castle Hill, Australia
  • Average rainfall days in August: 7.9 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).

Average daylight in August /
Average sunshine in August
Castle Hill, Australia
  • Average daylight in August: 10h and 5min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in August: 8h 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).

Average sunshine days in August
Castle Hill, Australia
  • Average sunshine days in August: 21 days

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

Average UV index in August
Castle Hill, 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, August and September (UV index 4).

Average cloud cover in August
Castle Hill, Australia
  • Average cloud cover in August: 25

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

Average visibility in August
Castle Hill, Australia
  • Average visibility in August: 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).

englishespañol中文
Share