May Weather in Cullinan, South Africa

Last updated: August 31, 2025

In Cullinan, South Africa, the average temperature in May hovers around 15°C (59°F). However, be prepared for a range, as temperatures can dip to a chilly 1°C (34°F) or soar to a warm 28°C (83°F). During this month, expect about 15 mm (0.6 in) of precipitation over just 1 day, and enjoy a comfortable average humidity of 64%.

May Temperature in Cullinan

In May in Cullinan, the average temperature is 15°C (59°F), with a maximum that can reach 28°C (83°F) and a minimum that can dip as low as 1°C (34°F). Be prepared for a wide range of temperatures when planning your travel to Cullinan this May.

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

The chart illustrates May temperature patterns in Cullinan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cullinan, May typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (83°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Cullinan

In Cullinan in May, the precipitation amount is 15 mm (0.6 in) over the course of 1 day.

May Precipitation Trends in Cullinan

The chart displays monthly precipitation patterns in Cullinan, 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 Cullinan, May typically receives around 15 mm (0.6 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 Cullinan

In Cullinan in May humidity is 64%. With an average temperature of 15°C (59°F), this humidity feels like a refreshing embrace, making traveling comfortable yet slightly sticky; perfect for leisurely strolls but perhaps a bit challenging for those sensitive to heat.

May Average Humidity in Cullinan

This chart illustrates the average monthly humidity levels in Cullinan, 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 Cullinan is approximately 64%, 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 Cullinan

In Cullinan 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 Cullinan.

Maximum UV Index Levels in Cullinan for May

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

Data source: Cullinan 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 Cullinan Compares to Other Months

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

This table compares monthly weather conditions in Cullinan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	101 mm (4.0 inches)	70%	extreme
February Weather	21°C (71°F)	134 mm (5.3 inches)	65%	extreme
March Weather	20°C (69°F)	62 mm (2.4 inches)	64%	extreme
April Weather	18°C (64°F)	48 mm (1.9 inches)	63%	very high
May Weather	15°C (59°F)	15 mm (0.6 inches)	64%	high
June Weather	12°C (54°F)	4 mm (0.2 inches)	61%	high
July Weather	12°C (54°F)	2 mm (0.1 inches)	64%	high
August Weather	15°C (60°F)	3 mm (0.1 inches)	61%	very high
September Weather	19°C (66°F)	9 mm (0.4 inches)	65%	extreme
October Weather	20°C (68°F)	62 mm (2.4 inches)	61%	extreme
November Weather	21°C (70°F)	89 mm (3.5 inches)	68%	extreme
December Weather	21°C (71°F)	161 mm (6.3 inches)	72%	extreme