May Weather in Stilfontein, South Africa

Last updated: August 31, 2025

In May, the average temperature in Stilfontein, South Africa is a comfortable 14°C (58°F). Expect minimums dipping to -1°C (30°F) and highs reaching up to 29°C (84°F). With an average humidity of 70%, the weather can feel quite humid, and you might encounter 6 mm (0.3 in) of precipitation over a single day. Prepare accordingly!

May Temperature in Stilfontein

In May in Stilfontein, the average temperature is 14°C (58°F), with maximums reaching 29°C (84°F) and minimums dipping as low as -1°C (30°F). This climate varies significantly, so travelers should be prepared for both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Stilfontein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stilfontein, May typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Stilfontein

In Stilfontein in May, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

May Precipitation Trends in Stilfontein

The chart displays monthly precipitation patterns in Stilfontein, 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 Stilfontein, May typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Stilfontein

In Stilfontein in May, humidity is 70%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace that can make outdoor activities feel sticky and exhausting, potentially limiting your exploration to cooler hours of the day.

May Average Humidity in Stilfontein

This chart illustrates the average monthly humidity levels in Stilfontein, 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 Stilfontein is approximately 70%, 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 Stilfontein

In Stilfontein 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 Stilfontein.

Maximum UV Index Levels in Stilfontein for May

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

Data source: Stilfontein 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 Stilfontein Compares to Other Months

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

This table compares monthly weather conditions in Stilfontein, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	101 mm (4.0 inches)	71%	extreme
February Weather	22°C (72°F)	110 mm (4.3 inches)	70%	extreme
March Weather	21°C (70°F)	50 mm (2.0 inches)	74%	extreme
April Weather	18°C (64°F)	52 mm (2.1 inches)	75%	extreme
May Weather	14°C (58°F)	6 mm (0.3 inches)	70%	high
June Weather	11°C (52°F)	7 mm (0.3 inches)	65%	moderate
July Weather	11°C (51°F)	2 mm (0.1 inches)	59%	high
August Weather	15°C (58°F)	3 mm (0.1 inches)	56%	very high
September Weather	19°C (66°F)	6 mm (0.2 inches)	56%	extreme
October Weather	21°C (70°F)	38 mm (1.5 inches)	54%	extreme
November Weather	22°C (72°F)	72 mm (2.8 inches)	59%	extreme
December Weather	23°C (73°F)	121 mm (4.8 inches)	67%	extreme