May Weather in Cala, South Africa

Last updated: August 31, 2025

In May, the average temperature in Cala, South Africa hovers around 12°C (54°F). Expect a chill with minimums plunging to -2°C (29°F) and occasional warm spells reaching up to 26°C (80°F). With an average precipitation of 29 mm (1.1 in) spread across 4 days, don’t forget your umbrella! The air can feel quite humid, with an average humidity level of 88%.

May Temperature in Cala

In May in Cala, the average temperature is 12°C (54°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a mix of mild days and chilly nights during your travels.

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

The chart illustrates May temperature patterns in Cala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cala, May typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (80°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Cala

In Cala in May, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.

May Precipitation Trends in Cala

The chart displays monthly precipitation patterns in Cala, 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 Cala, May typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Cala

In Cala in May, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

May Average Humidity in Cala

This chart illustrates the average monthly humidity levels in Cala, 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 Cala is approximately 88%, 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 Cala

In Cala in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Cala, you can refer to this Hourly UV Index in Cala.

Maximum UV Index Levels in Cala for May

The chart shows the monthly maximum UV Index (UVI) for Cala 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 Cala typically reaches 6, which falls under the high exposure category.

Data source: Cala 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 Cala Compares to Other Months

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

This table compares monthly weather conditions in Cala, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	150 mm (5.9 inches)	88%	extreme
February Weather	19°C (66°F)	209 mm (8.2 inches)	88%	extreme
March Weather	18°C (64°F)	147 mm (5.8 inches)	89%	extreme
April Weather	15°C (59°F)	108 mm (4.2 inches)	89%	very high
May Weather	12°C (54°F)	29 mm (1.1 inches)	88%	high
June Weather	10°C (50°F)	14 mm (0.5 inches)	82%	moderate
July Weather	9°C (49°F)	8 mm (0.3 inches)	77%	moderate
August Weather	10°C (51°F)	33 mm (1.3 inches)	72%	high
September Weather	14°C (57°F)	37 mm (1.5 inches)	82%	very high
October Weather	15°C (60°F)	91 mm (3.6 inches)	83%	extreme
November Weather	16°C (62°F)	133 mm (5.2 inches)	87%	extreme
December Weather	18°C (64°F)	174 mm (6.9 inches)	88%	extreme