May Weather in Postmasburg, South Africa

Last updated: August 31, 2025

In May, the average temperature in Postmasburg, South Africa hovers around 14°C (58°F), with a minimum dipping as low as -2°C (28°F) and a maximum soaring to 28°C (83°F). You'll experience some light precipitation, averaging 3 mm (0.1 in) over 1 day, complemented by an average humidity level of 76%.

May Temperature in Postmasburg

In May in Postmasburg, the average temperature is 14°C (58°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -2°C (28°F). This diversity in temperature makes Postmasburg an exciting destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May temperature patterns in Postmasburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Postmasburg, May typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Postmasburg

In Postmasburg in May, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

May Precipitation Trends in Postmasburg

The chart displays monthly precipitation patterns in Postmasburg, 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 Postmasburg, May typically receives around 3 mm (0.1 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 Postmasburg

In Postmasburg in May humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

May Average Humidity in Postmasburg

This chart illustrates the average monthly humidity levels in Postmasburg, 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 Postmasburg is approximately 76%, 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 Postmasburg

In Postmasburg 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 Postmasburg.

Maximum UV Index Levels in Postmasburg for May

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

Data source: Postmasburg 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 Postmasburg Compares to Other Months

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

This table compares monthly weather conditions in Postmasburg, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	74 mm (2.9 inches)	58%	extreme
February Weather	24°C (75°F)	76 mm (3.0 inches)	58%	extreme
March Weather	22°C (72°F)	38 mm (1.5 inches)	65%	extreme
April Weather	18°C (65°F)	54 mm (2.1 inches)	75%	very high
May Weather	14°C (58°F)	3 mm (0.1 inches)	76%	high
June Weather	11°C (52°F)	2 mm (0.1 inches)	68%	moderate
July Weather	11°C (51°F)	2 mm (0.1 inches)	61%	high
August Weather	12°C (54°F)	1 mm (0.1 inches)	53%	very high
September Weather	17°C (64°F)	3 mm (0.1 inches)	47%	extreme
October Weather	20°C (69°F)	16 mm (0.6 inches)	36%	extreme
November Weather	23°C (73°F)	23 mm (0.9 inches)	42%	extreme
December Weather	24°C (76°F)	61 mm (2.4 inches)	52%	extreme