May Weather in Balfour, South Africa

Last updated: August 31, 2025

In May, the average temperature in Balfour, South Africa is a mild 13°C (56°F), with a temperature range that can drop to a brisk -1°C (31°F) or rise to a warm 26°C (80°F). Expect an average humidity of 82% and 13 mm (0.5 in) of precipitation over 2 days, making this month a balance of cool breezes and occasional rain.

May Temperature in Balfour

In May in Balfour, the average temperature is 13°C (56°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -1°C (31°F). Travelers should prepare for a mix of mild and chilly weather, making it essential to pack layers for their trip.

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

The chart illustrates May temperature patterns in Balfour, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Balfour, May typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (80°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Balfour

In Balfour in May, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

May Precipitation Trends in Balfour

The chart displays monthly precipitation patterns in Balfour, 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 Balfour, May typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 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 Balfour

In Balfour in May, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

May Average Humidity in Balfour

This chart illustrates the average monthly humidity levels in Balfour, 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 Balfour 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 Balfour

In Balfour 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 Balfour.

Maximum UV Index Levels in Balfour for May

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

Data source: Balfour 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 Balfour Compares to Other Months

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

This table compares monthly weather conditions in Balfour, 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 (69°F)	116 mm (4.6 inches)	79%	extreme
February Weather	20°C (69°F)	123 mm (4.9 inches)	77%	extreme
March Weather	19°C (67°F)	71 mm (2.8 inches)	77%	extreme
April Weather	16°C (62°F)	65 mm (2.5 inches)	81%	extreme
May Weather	13°C (56°F)	13 mm (0.5 inches)	82%	high
June Weather	11°C (51°F)	6 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)	4 mm (0.1 inches)	68%	very high
September Weather	18°C (64°F)	10 mm (0.4 inches)	74%	extreme
October Weather	19°C (66°F)	66 mm (2.6 inches)	74%	extreme
November Weather	20°C (68°F)	120 mm (4.7 inches)	82%	extreme
December Weather	20°C (69°F)	163 mm (6.4 inches)	81%	extreme