May Weather in Ulundi, South Africa

Last updated: August 31, 2025

In Ulundi, South Africa, the average temperature in May hovers around 18°C (65°F), with a notable range from a brisk 5°C (41°F) to a warm 35°C (95°F). Expect 34 mm (1.3 in) of precipitation spread across about 3 days, and prepare for a humid atmosphere with an average humidity level of 86%.

May Temperature in Ulundi

In May in Ulundi, the average temperature is 18°C (65°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 5°C (41°F). This varied climate makes Ulundi an ideal destination for travelers seeking to experience both warm and mild weather during their trip.

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

The chart illustrates May temperature patterns in Ulundi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulundi, May typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec757574706561616467687073
Data source: Temperature data for Ulundi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ulundi

In Ulundi in May, the precipitation amount is 34 mm (1.3 in) over the course of 3 days.

May Precipitation Trends in Ulundi

The chart displays monthly precipitation patterns in Ulundi, 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 Ulundi, May typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec821266051341372643718796
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ulundi

In Ulundi in May humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

May Average Humidity in Ulundi

This chart illustrates the average monthly humidity levels in Ulundi, 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 Ulundi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%86%86%80%80%80%85%86%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ulundi

In Ulundi 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 Ulundi, you can refer to this Hourly UV Index in Ulundi.

Maximum UV Index Levels in Ulundi for May

The chart shows the monthly maximum UV Index (UVI) for Ulundi 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 Ulundi typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129655710121314
Data source: Ulundi 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 Ulundi Compares to Other Months

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

This table compares monthly weather conditions in Ulundi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)82 mm (3.2 inches)85%extreme
February Weather24°C (76°F)126 mm (5.0 inches)86%extreme
March Weather23°C (74°F)60 mm (2.4 inches)86%extreme
April Weather21°C (70°F)51 mm (2.0 inches)86%very high
May Weather18°C (65°F)34 mm (1.3 inches)86%high
June Weather16°C (62°F)13 mm (0.5 inches)80%moderate
July Weather16°C (61°F)7 mm (0.3 inches)80%moderate
August Weather18°C (64°F)26 mm (1.0 inches)79%high
September Weather19°C (67°F)43 mm (1.7 inches)85%very high
October Weather20°C (68°F)71 mm (2.8 inches)86%extreme
November Weather21°C (71°F)87 mm (3.4 inches)87%extreme
December Weather23°C (73°F)96 mm (3.8 inches)86%extreme

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