May Weather in Ashton, South Africa

Last updated: August 31, 2025

In May, the average temperature in Ashton, South Africa is a comfortable 15°C (59°F), with minimums dipping to 2°C (36°F) and maximums reaching up to 30°C (87°F). Expect an average precipitation of 27 mm (1.1 in) spread over about 4 days, and enjoy a relatively high average humidity of 77%.

May Temperature in Ashton

In May in Ashton, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F), and minimums can drop as low as 2°C (36°F). This variation in temperatures makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates May temperature patterns in Ashton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashton, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec717268635854515157626468
Data source: Temperature data for Ashton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Ashton

In Ashton in May, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

May Precipitation Trends in Ashton

The chart displays monthly precipitation patterns in Ashton, 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 Ashton, May typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec311737162728373425283925
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Ashton

In Ashton in May, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

May Average Humidity in Ashton

This chart illustrates the average monthly humidity levels in Ashton, 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 Ashton is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%62%70%72%77%82%82%78%74%67%61%60%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ashton

In Ashton in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Ashton.

Maximum UV Index Levels in Ashton for May

The chart shows the monthly maximum UV Index (UVI) for Ashton 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 Ashton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151411854469121315
Data source: Ashton 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 Ashton Compares to Other Months

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

This table compares monthly weather conditions in Ashton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)31 mm (1.2 inches)62%extreme
February Weather22°C (72°F)17 mm (0.7 inches)62%extreme
March Weather20°C (68°F)37 mm (1.5 inches)70%extreme
April Weather17°C (63°F)16 mm (0.6 inches)72%very high
May Weather15°C (59°F)27 mm (1.1 inches)77%moderate
June Weather12°C (54°F)28 mm (1.1 inches)82%moderate
July Weather11°C (52°F)37 mm (1.5 inches)82%moderate
August Weather11°C (52°F)34 mm (1.3 inches)78%high
September Weather14°C (57°F)25 mm (1.0 inches)74%very high
October Weather17°C (62°F)28 mm (1.1 inches)67%extreme
November Weather18°C (65°F)39 mm (1.5 inches)61%extreme
December Weather20°C (68°F)25 mm (1.0 inches)60%extreme

Compare Ashton's Climate with Cities Worldwide