June Weather in Thornhill, South Africa

Last updated: August 31, 2025

In Thornhill, South Africa, the average temperature in June hovers around 16°C (62°F). Expect a range with minimums dipping to 8°C (46°F) and maximums soaring to 28°C (83°F). This month brings about 19 mm (0.7 in) of precipitation spread over 5 days, along with a comfortable average humidity of 72%.

June Temperature in Thornhill

In June in Thornhill, the average temperature is 16°C (62°F). Maximums can reach 28°C (83°F) and minimums can be as low as 8°C (46°F). This pleasant range makes it an ideal time for travelers to enjoy outdoor activities and explore the local sights.

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

The chart illustrates June temperature patterns in Thornhill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thornhill, June typically has an average temperature of 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 8°C (46°F).

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

June Precipitation in Thornhill

In Thornhill in June, the total precipitation amount is 19 mm (0.7 in) spread over the course of 5 days.

June Precipitation Trends in Thornhill

The chart displays monthly precipitation patterns in Thornhill, 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 Thornhill, June typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Thornhill

In Thornhill in June, humidity is 72%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapped around you, making it slightly uncomfortable for traveling as you might find yourself sweating more than usual, especially during outdoor activities.

June Average Humidity in Thornhill

This chart illustrates the average monthly humidity levels in Thornhill, 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 Thornhill 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 Thornhill

In Thornhill in June, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Thornhill for better planning.

Maximum UV Index Levels in Thornhill for June

The chart shows the monthly maximum UV Index (UVI) for Thornhill 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 Thornhill typically reaches 4, which falls under the moderate exposure category.

Data source: Thornhill 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 Thornhill Compares to Other Months

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

This table compares monthly weather conditions in Thornhill, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	28 mm (1.1 inches)	79%	extreme
February Weather	21°C (70°F)	48 mm (1.9 inches)	81%	extreme
March Weather	20°C (69°F)	43 mm (1.7 inches)	83%	extreme
April Weather	18°C (65°F)	28 mm (1.1 inches)	80%	very high
May Weather	17°C (63°F)	31 mm (1.2 inches)	76%	moderate
June Weather	16°C (62°F)	19 mm (0.7 inches)	72%	moderate
July Weather	16°C (60°F)	33 mm (1.3 inches)	74%	moderate
August Weather	15°C (59°F)	53 mm (2.1 inches)	72%	high
September Weather	16°C (61°F)	42 mm (1.6 inches)	75%	very high
October Weather	17°C (63°F)	38 mm (1.5 inches)	76%	extreme
November Weather	18°C (65°F)	47 mm (1.9 inches)	76%	extreme
December Weather	20°C (67°F)	48 mm (1.9 inches)	78%	extreme