May Weather in Modderfontein, South Africa

Last updated: August 31, 2025

In Modderfontein, South Africa, the average temperature in May is a refreshing 14°C (58°F). Expect minimum temperatures to drop to as low as 0°C (33°F), while the maximum can reach a warm 27°C (81°F). You'll encounter some light rain, with an average precipitation of 11 mm (0.4 in) over 1 day. The atmosphere is quite humid, with an average humidity level of 82%. Enjoy the mild weather!

May Temperature in Modderfontein

In May in Modderfontein, the average temperature is 14°C (58°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 0°C (33°F). This diverse range of temperatures makes Modderfontein an ideal destination for travelers seeking varied outdoor activities.

May Weather in Modderfontein: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Modderfontein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Modderfontein, May typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Modderfontein

In Modderfontein in May, the precipitation amount is 11 mm (0.4 in) over the course of one day.

May Precipitation Trends in Modderfontein

The chart displays monthly precipitation patterns in Modderfontein, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Modderfontein, May typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Modderfontein

In Modderfontein in May, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

May Average Humidity in Modderfontein

This chart illustrates the average monthly humidity levels in Modderfontein, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Modderfontein is approximately 82%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Modderfontein

In Modderfontein in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Modderfontein.

Maximum UV Index Levels in Modderfontein for May

The chart shows the monthly maximum UV Index (UVI) for Modderfontein in May, 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 May, the maximum UV index in Modderfontein typically reaches 7, which falls under the high exposure category.

Data source: Modderfontein May 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 May Weather in Modderfontein Compares to Other Months

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

This table compares monthly weather conditions in Modderfontein, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	115 mm (4.5 inches)	79%	extreme
February Weather	21°C (69°F)	126 mm (4.9 inches)	77%	extreme
March Weather	20°C (68°F)	68 mm (2.7 inches)	77%	extreme
April Weather	17°C (63°F)	49 mm (1.9 inches)	81%	very high
May Weather	14°C (58°F)	11 mm (0.4 inches)	82%	high
June Weather	11°C (53°F)	6 mm (0.2 inches)	73%	high
July Weather	11°C (52°F)	2 mm (0.1 inches)	71%	high
August Weather	14°C (58°F)	3 mm (0.1 inches)	68%	very high
September Weather	18°C (65°F)	7 mm (0.3 inches)	74%	extreme
October Weather	19°C (67°F)	54 mm (2.1 inches)	74%	extreme
November Weather	21°C (69°F)	77 mm (3.0 inches)	82%	extreme
December Weather	21°C (69°F)	140 mm (5.5 inches)	81%	extreme