May Weather in Frankfort, South Africa

Last updated: August 31, 2025

In Frankfort, South Africa, the average temperature in May hovers around 13°C (55°F), with variations ranging from a chilly -2°C (28°F) to a pleasant 26°C (79°F). During this month, you can expect 11 mm (0.4 in) of precipitation spread over 2 days, contributing to a notably high average humidity of 82%. Prepare accordingly to make the most of your time in this vibrant destination!

May Temperature in Frankfort

In May in Frankfort, the average temperature is 13°C (55°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates May temperature patterns in Frankfort, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frankfort, May typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Frankfort

In Frankfort in May, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

May Precipitation Trends in Frankfort

The chart displays monthly precipitation patterns in Frankfort, 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 Frankfort, May typically receives around 11 mm (0.4 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 Frankfort

In Frankfort in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in Frankfort

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

In Frankfort 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 Frankfort.

Maximum UV Index Levels in Frankfort for May

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

Data source: Frankfort 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 Frankfort Compares to Other Months

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

This table compares monthly weather conditions in Frankfort, 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)	100 mm (3.9 inches)	79%	extreme
February Weather	21°C (69°F)	113 mm (4.5 inches)	77%	extreme
March Weather	19°C (67°F)	71 mm (2.8 inches)	77%	extreme
April Weather	16°C (61°F)	63 mm (2.5 inches)	81%	extreme
May Weather	13°C (55°F)	11 mm (0.4 inches)	82%	high
June Weather	10°C (50°F)	8 mm (0.3 inches)	73%	moderate
July Weather	10°C (50°F)	2 mm (0.1 inches)	71%	high
August Weather	13°C (56°F)	6 mm (0.3 inches)	68%	very high
September Weather	17°C (63°F)	9 mm (0.3 inches)	74%	extreme
October Weather	19°C (66°F)	64 mm (2.5 inches)	74%	extreme
November Weather	20°C (68°F)	105 mm (4.1 inches)	82%	extreme
December Weather	20°C (69°F)	153 mm (6.0 inches)	81%	extreme