June Weather in Hornsby, Australia

Last updated: August 22, 2025

In Hornsby, Australia, the average temperature in June hovers around 12°C (54°F), with a minimum as low as 3°C (37°F) and a maximum reaching 23°C (74°F). Expect some moisture, as 44 mm (1.7 in) of precipitation falls over about 9 days, creating a 72% average humidity. Perfect for those who enjoy a refreshing and slightly damp atmosphere!

June Temperature in Hornsby

In June in Hornsby, the average temperature is 12°C (54°F). Maximum temperatures can reach 23°C (74°F), while minimums can dip as low as 3°C (37°F). Be sure to pack layers to enjoy your travels comfortably!

June Weather in Hornsby: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Hornsby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hornsby, June typically has an average temperature of 12°C (54°F), with highs reaching up to 23°C (74°F) and lows dropping to around 3°C (37°F).

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

June Precipitation in Hornsby

In Hornsby in June, the precipitation amount is 44 mm (1.7 in) over the course of 9 days.

June Precipitation Trends in Hornsby

The chart displays monthly precipitation patterns in Hornsby, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Hornsby, June typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Hornsby

In Hornsby in June, humidity is 72%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions a bit uncomfortable. You may find yourself reaching for an extra layer as the moisture in the air adds to the coolness, prompting travelers to seek out sheltered spots to enjoy the scenery.

June Average Humidity in Hornsby

This chart illustrates the average monthly humidity levels in Hornsby, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Hornsby is approximately 72%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Hornsby

In Hornsby in June, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Hornsby, you can check the information here.

Maximum UV Index Levels in Hornsby for June

The chart shows the monthly maximum UV Index (UVI) for Hornsby in June, 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 June, the maximum UV index in Hornsby typically reaches 3, which falls under the moderate exposure category.

Data source: Hornsby June 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 June Weather in Hornsby Compares to Other Months

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

This table compares monthly weather conditions in Hornsby, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	37 mm (1.5 inches)	65%	extreme
February Weather	23°C (74°F)	107 mm (4.2 inches)	69%	extreme
March Weather	21°C (70°F)	153 mm (6.0 inches)	72%	extreme
April Weather	18°C (65°F)	29 mm (1.1 inches)	75%	very high
May Weather	15°C (59°F)	42 mm (1.7 inches)	74%	moderate
June Weather	12°C (54°F)	44 mm (1.7 inches)	72%	moderate
July Weather	12°C (53°F)	40 mm (1.6 inches)	68%	moderate
August Weather	13°C (55°F)	34 mm (1.3 inches)	67%	high
September Weather	16°C (60°F)	36 mm (1.4 inches)	63%	very high
October Weather	18°C (65°F)	67 mm (2.6 inches)	55%	very high
November Weather	20°C (68°F)	77 mm (3.0 inches)	57%	extreme
December Weather	22°C (72°F)	76 mm (3.0 inches)	68%	extreme