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May Weather in Hartswater, South Africa

Last updated: August 31, 2025

The average temperature in Hartswater, South Africa during May is a comfortable 14°C (57°F). However, temperatures can vary significantly, with a minimum of -3°C (28°F) and a maximum of 28°C (83°F). Expect a modest precipitation of 4 mm (0.1 in) over the course of 1 day, accompanied by an average humidity level of 70%. Get ready to experience a unique blend of weather in this beautiful location!

May Temperature in Hartswater

In May in Hartswater, the average temperature is 14°C (57°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -3°C (28°F). This variation in temperatures makes Hartswater an ideal destination for travelers seeking a mix of mild days and cool nights.

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

The chart illustrates May temperature patterns in Hartswater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartswater, May typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec777571655751505564707476
Data source: Temperature data for Hartswater 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 Hartswater

In Hartswater in May, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

May Precipitation Trends in Hartswater

The chart displays monthly precipitation patterns in Hartswater, 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 Hartswater, May typically receives around 4 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec811175973434116252677
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hartswater

In Hartswater in May, humidity is 70%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making travel slightly uncomfortable as the air feels heavier and every step seems more laborious.

May Average Humidity in Hartswater

This chart illustrates the average monthly humidity levels in Hartswater, 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 Hartswater is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%61%70%72%70%60%54%43%40%35%41%54%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hartswater

In Hartswater 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 Hartswater.

Maximum UV Index Levels in Hartswater for May

The chart shows the monthly maximum UV Index (UVI) for Hartswater 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 Hartswater typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310756811131416
Data source: Hartswater 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 Hartswater Compares to Other Months

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

This table compares monthly weather conditions in Hartswater, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)81 mm (3.2 inches)64%extreme
February Weather24°C (75°F)117 mm (4.6 inches)61%extreme
March Weather22°C (71°F)59 mm (2.3 inches)70%extreme
April Weather18°C (65°F)73 mm (2.9 inches)72%very high
May Weather14°C (57°F)4 mm (0.1 inches)70%high
June Weather11°C (52°F)3 mm (0.1 inches)60%moderate
July Weather10°C (51°F)4 mm (0.1 inches)53%high
August Weather13°C (56°F)11 mm (0.4 inches)43%very high
September Weather18°C (65°F)6 mm (0.2 inches)40%extreme
October Weather21°C (70°F)25 mm (1.0 inches)35%extreme
November Weather23°C (75°F)26 mm (1.0 inches)41%extreme
December Weather25°C (77°F)77 mm (3.0 inches)54%extreme

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