May Weather in Douglas, South Africa

Last updated: August 31, 2025

In May, the average temperature in Douglas, South Africa hovers around 15°C (59°F). Expect a minimum chill of -2°C (29°F) and a possible maximum warmth of 33°C (91°F). With an average humidity of 76%, the weather can feel quite humid, while precipitation is modest at 6 mm (0.2 in) spread over just 1 day.

May Temperature in Douglas

In May in Douglas, the average temperature is 15°C (59°F). Maximum temperatures can reach 33°C (91°F), while the minimum can drop as low as -2°C (29°F). Pack accordingly for a wide range of temperatures to ensure a comfortable and enjoyable trip.

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

The chart illustrates May temperature patterns in Douglas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Douglas, May typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Douglas

In Douglas in May, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

May Precipitation Trends in Douglas

The chart displays monthly precipitation patterns in Douglas, 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 Douglas, May typically receives around 6 mm (0.2 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 Douglas

In Douglas in May humidity is 76%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities less enjoyable and often leading to a quick sense of fatigue while traveling.

May Average Humidity in Douglas

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

In Douglas 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 Douglas.

Maximum UV Index Levels in Douglas for May

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

Data source: Douglas 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 Douglas Compares to Other Months

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

This table compares monthly weather conditions in Douglas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	76 mm (3.0 inches)	58%	extreme
February Weather	25°C (77°F)	76 mm (3.0 inches)	58%	extreme
March Weather	23°C (73°F)	60 mm (2.4 inches)	65%	extreme
April Weather	19°C (66°F)	57 mm (2.2 inches)	75%	very high
May Weather	15°C (59°F)	6 mm (0.2 inches)	76%	high
June Weather	11°C (53°F)	2 mm (0.1 inches)	68%	moderate
July Weather	11°C (52°F)	2 mm (0.1 inches)	61%	moderate
August Weather	13°C (56°F)	4 mm (0.2 inches)	53%	very high
September Weather	18°C (65°F)	6 mm (0.2 inches)	47%	extreme
October Weather	21°C (70°F)	18 mm (0.7 inches)	36%	extreme
November Weather	24°C (75°F)	49 mm (1.9 inches)	42%	extreme
December Weather	25°C (78°F)	66 mm (2.6 inches)	52%	extreme