October Weather in Heidelberg, South Africa

Last updated: August 31, 2025

In Heidelberg, South Africa, the average temperature in October hovers around 19°C (66°F), offering a pleasant climate for exploration. However, be prepared for a temperature range that can dip as low as 4°C (40°F) and soar up to 33°C (92°F). During this month, you can expect 66 mm (2.6 in) of precipitation spread over approximately 7 days, contributing to an average humidity of 74%. So, pack accordingly and enjoy the diverse weather!

October Temperature in Heidelberg

In October in Heidelberg, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), and minimums can be as low as 4°C (40°F). This climate makes Heidelberg an ideal destination for travelers looking to experience mild conditions with the possibility of warmer days.

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

The chart illustrates October temperature patterns in Heidelberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heidelberg, October typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).

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

October Precipitation in Heidelberg

In Heidelberg in October, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

October Precipitation Trends in Heidelberg

The chart displays monthly precipitation patterns in Heidelberg, 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 Heidelberg, October typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Heidelberg

In Heidelberg in October humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

October Average Humidity in Heidelberg

This chart illustrates the average monthly humidity levels in Heidelberg, 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 Heidelberg is approximately 74%, 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 Heidelberg

In Heidelberg in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Heidelberg.

Maximum UV Index Levels in Heidelberg for October

The chart shows the monthly maximum UV Index (UVI) for Heidelberg 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 Heidelberg typically reaches 12, which falls under the extreme exposure category.

Data source: Heidelberg 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 Heidelberg Compares to Other Months

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

This table compares monthly weather conditions in Heidelberg, 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 (69°F)	121 mm (4.8 inches)	79%	extreme
February Weather	20°C (69°F)	126 mm (5.0 inches)	77%	extreme
March Weather	19°C (67°F)	72 mm (2.8 inches)	77%	extreme
April Weather	16°C (62°F)	60 mm (2.4 inches)	81%	very high
May Weather	13°C (56°F)	14 mm (0.5 inches)	82%	high
June Weather	11°C (51°F)	5 mm (0.2 inches)	73%	high
July Weather	10°C (51°F)	2 mm (0.1 inches)	71%	high
August Weather	14°C (57°F)	2 mm (0.1 inches)	68%	very high
September Weather	18°C (64°F)	9 mm (0.4 inches)	74%	extreme
October Weather	19°C (66°F)	66 mm (2.6 inches)	74%	extreme
November Weather	20°C (69°F)	106 mm (4.2 inches)	82%	extreme
December Weather	20°C (69°F)	156 mm (6.1 inches)	81%	extreme