March Weather in Heidelberg, South Africa

Last updated: August 31, 2025

In March, the average temperature in Heidelberg, South Africa hovers around 19°C (or 67°F). This charming month sees temperatures dipping to a minimum of 8°C (46°F) and peaking at a warm 30°C (87°F). Visitors should be prepared for some rain, with an average precipitation of 72 mm (2.8 in) over 9 days. The atmosphere is pleasantly humid, with an average humidity level of 77%.

March Temperature in Heidelberg

In March in Heidelberg, the average temperature is 19°C (67°F). Maximums can reach 30°C (87°F) and minimums can drop to as low as 8°C (46°F). This pleasant climate makes Heidelberg an ideal destination for travelers seeking moderate weather and outdoor activities.

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

The chart illustrates March 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, March typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (87°F) and lows dropping to around 8°C (46°F).

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

March Precipitation in Heidelberg

In Heidelberg in March, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

March Precipitation Trends in Heidelberg

The chart displays monthly precipitation patterns in Heidelberg, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Heidelberg, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Heidelberg

In Heidelberg in March, humidity is 77%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel slightly more challenging as the air clings to your skin, turning every step into a leisurely stroll through a sauna.

March Average Humidity in Heidelberg

This chart illustrates the average monthly humidity levels in Heidelberg, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Heidelberg is approximately 77%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Heidelberg

In Heidelberg in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Heidelberg.

Maximum UV Index Levels in Heidelberg for March

The chart shows the monthly maximum UV Index (UVI) for Heidelberg in March, 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 March, the maximum UV index in Heidelberg typically reaches 13, which falls under the extreme exposure category.

Data source: Heidelberg March 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 March 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 March’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 March’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