October Weather in Thornhill, South Africa

Last updated: August 31, 2025

In October, the average temperature in Thornhill, South Africa is a comfortable 17°C (63°F). Expect a minimum of 10°C (50°F) and a pleasant maximum of 30°C (87°F). While you're enjoying the weather, be prepared for some rain, with an average precipitation of 38 mm (1.5 in) over 8 days. The atmosphere is typically humid, with an average humidity of around 76%.

October Temperature in Thornhill

In October in Thornhill, the average temperature is 17°C (63°F). Maximums can reach 30°C (87°F), while minimums can be as low as 10°C (50°F). This makes it an ideal time for travelers seeking mild weather and a pleasant climate.

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

The chart illustrates October 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, October typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (50°F).

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

October Precipitation in Thornhill

In Thornhill in October, the total precipitation amount is 38 mm (1.5 in), spread over 8 days.

October Precipitation Trends in Thornhill

The chart displays monthly precipitation patterns in Thornhill, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Thornhill, October typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Thornhill

In Thornhill in October humidity is 76%. With an average temperature of 17°C (63°F), this humidity feels like traveling through a warm, enveloping blanket, making every outdoor adventure feel sticky and heavy, yet pleasantly refreshing when you find a cool breeze.

October Average Humidity in Thornhill

This chart illustrates the average monthly humidity levels in Thornhill, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Thornhill is approximately 76%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Thornhill

In Thornhill in October, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Thornhill.

Maximum UV Index Levels in Thornhill for October

The chart shows the monthly maximum UV Index (UVI) for Thornhill in October, 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 October, the maximum UV index in Thornhill typically reaches 11, which falls under the extreme exposure category.

Data source: Thornhill October 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 October 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 October’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 October’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