July Weather in Heilbron, South Africa

Last updated: August 31, 2025

In July, the average temperature in Heilbron, South Africa hovers around 10°C (50°F). The temperature can dip to a chilly -5°C (24°F) at its lowest and reach a warm 25°C (77°F) at its peak. With an average humidity of 71% and minimal precipitation of just 3 mm (0.1 in) over 0 days, the weather is mostly dry and pleasant.

July Temperature in Heilbron

In July in Heilbron, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort.

July Weather in Heilbron: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Heilbron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heilbron, July typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -5°C (24°F).

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

July Precipitation in Heilbron

In Heilbron in July, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

July Precipitation Trends in Heilbron

The chart displays monthly precipitation patterns in Heilbron, 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 Heilbron, July typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Heilbron

In Heilbron in July, humidity is 71%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that settles into your bones, making traveling a bit less comfortable as you navigate the foggy air and potential drizzle.

July Average Humidity in Heilbron

This chart illustrates the average monthly humidity levels in Heilbron, 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 Heilbron is approximately 71%, 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 Heilbron

In Heilbron in July, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Heilbron, you can refer to this Hourly UV Index in Heilbron.

Maximum UV Index Levels in Heilbron for July

The chart shows the monthly maximum UV Index (UVI) for Heilbron 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 Heilbron typically reaches 6, which falls under the high exposure category.

Data source: Heilbron 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 Heilbron Compares to Other Months

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

This table compares monthly weather conditions in Heilbron, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	109 mm (4.3 inches)	79%	extreme
February Weather	21°C (70°F)	114 mm (4.5 inches)	77%	extreme
March Weather	20°C (67°F)	70 mm (2.8 inches)	77%	extreme
April Weather	16°C (62°F)	66 mm (2.6 inches)	81%	extreme
May Weather	13°C (56°F)	11 mm (0.4 inches)	82%	high
June Weather	10°C (50°F)	8 mm (0.3 inches)	73%	moderate
July Weather	10°C (50°F)	3 mm (0.1 inches)	71%	high
August Weather	13°C (56°F)	7 mm (0.3 inches)	68%	very high
September Weather	17°C (63°F)	7 mm (0.3 inches)	74%	extreme
October Weather	19°C (66°F)	53 mm (2.1 inches)	74%	extreme
November Weather	20°C (69°F)	91 mm (3.6 inches)	82%	extreme
December Weather	21°C (69°F)	160 mm (6.3 inches)	81%	extreme