July Weather in Castle Hill, Australia

Last updated: August 22, 2025

In July, the average temperature in Castle Hill, Australia hovers around 20°C (68°F). Expect a minimum drop to 9°C (48°F) and a warm peak of 30°C (86°F). With an average humidity of 63%, you might feel the subtropical charm. Additionally, plan for a modest precipitation of 16 mm (0.6 in) spread over about 3 days, making it a delightful time to explore!

July Temperature in Castle Hill

In July in Castle Hill, the average temperature is 20°C (68°F). The maximum can reach 30°C (86°F) while the minimum can be as low as 9°C (48°F). This mild climate makes it an ideal time for exploring and enjoying outdoor activities in Castle Hill.

July Weather in Castle Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Castle Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castle Hill, July typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 9°C (48°F).

Data source: Temperature data for Castle Hill generated using information from the Copernicus Climate Change Service.

July Precipitation in Castle Hill

In Castle Hill in July, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

July Precipitation Trends in Castle Hill

The chart displays monthly precipitation patterns in Castle Hill, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Castle Hill, July typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Castle Hill

In Castle Hill in July humidity is 63%. With an average temperature of 20°C (68°F), this humidity feels like a warm, refreshing embrace, making travel comfortable and inviting, as long as you stay hydrated and take occasional breaks in the shade.

July Average Humidity in Castle Hill

This chart illustrates the average monthly humidity levels in Castle Hill, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Castle Hill is approximately 63%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Castle Hill

In Castle Hill in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Castle Hill.

Maximum UV Index Levels in Castle Hill for July

The chart shows the monthly maximum UV Index (UVI) for Castle Hill in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Castle Hill typically reaches 8, which falls under the very high exposure category.

Data source: Castle Hill July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Castle Hill Compares to Other Months

Weather in Castle Hill varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Castle Hill, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Castle Hill, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	290 mm (11.4 inches)	76%	extreme
February Weather	28°C (82°F)	299 mm (11.8 inches)	78%	extreme
March Weather	27°C (81°F)	228 mm (9.0 inches)	81%	extreme
April Weather	25°C (78°F)	64 mm (2.5 inches)	76%	extreme
May Weather	22°C (73°F)	53 mm (2.1 inches)	72%	very high
June Weather	20°C (68°F)	21 mm (0.8 inches)	71%	high
July Weather	20°C (68°F)	16 mm (0.6 inches)	63%	very high
August Weather	21°C (70°F)	12 mm (0.5 inches)	67%	extreme
September Weather	22°C (73°F)	12 mm (0.5 inches)	61%	extreme
October Weather	25°C (77°F)	30 mm (1.2 inches)	62%	extreme
November Weather	26°C (80°F)	42 mm (1.7 inches)	63%	extreme
December Weather	28°C (82°F)	127 mm (5.0 inches)	69%	extreme