May Weather in Theunissen, South Africa

Last updated: August 31, 2025

In May, the average temperature in Theunissen, South Africa hovers around 13°C (55°F), with a minimum plunge to -4°C (26°F) and reaching a maximum of 26°C (79°F). Expect a modest precipitation amount of 10 mm (0.4 in) over the course of 2 days, contributing to an overall average humidity of 84%. Stay prepared for a mix of chilly and warm moments this month!

May Temperature in Theunissen

In May in Theunissen, the average temperature is 13°C (55°F). The maximum can reach 26°C (79°F) and the minimum can be as low as -4°C (26°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travel adventures.

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

The chart illustrates May temperature patterns in Theunissen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Theunissen, 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 -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec737168625549485462677072
Data source: Temperature data for Theunissen 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 Theunissen

In Theunissen in May, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

May Precipitation Trends in Theunissen

The chart displays monthly precipitation patterns in Theunissen, 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 Theunissen, May typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec9613578711053168407095
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Theunissen

In Theunissen in May humidity is 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

May Average Humidity in Theunissen

This chart illustrates the average monthly humidity levels in Theunissen, 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 Theunissen is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%74%79%83%84%80%69%60%63%61%67%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Theunissen

In Theunissen 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 Theunissen.

Maximum UV Index Levels in Theunissen for May

The chart shows the monthly maximum UV Index (UVI) for Theunissen 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 Theunissen typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310756811121416
Data source: Theunissen 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 Theunissen Compares to Other Months

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

This table compares monthly weather conditions in Theunissen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)96 mm (3.8 inches)75%extreme
February Weather22°C (72°F)135 mm (5.3 inches)74%extreme
March Weather20°C (69°F)78 mm (3.1 inches)79%extreme
April Weather17°C (62°F)71 mm (2.8 inches)83%very high
May Weather13°C (55°F)10 mm (0.4 inches)84%high
June Weather9°C (49°F)4 mm (0.2 inches)79%moderate
July Weather9°C (48°F)3 mm (0.1 inches)69%high
August Weather12°C (54°F)16 mm (0.6 inches)60%very high
September Weather17°C (62°F)8 mm (0.3 inches)63%extreme
October Weather19°C (67°F)40 mm (1.6 inches)61%extreme
November Weather21°C (70°F)70 mm (2.7 inches)67%extreme
December Weather22°C (73°F)95 mm (3.8 inches)75%extreme

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