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May Weather in Butterworth, South Africa

Last updated: August 31, 2025

In May, the average temperature in Butterworth, South Africa is a pleasant 16°C (61°F), with a minimum dipping to 5°C (42°F) and a maximum reaching up to 31°C (88°F). Expect around 31 mm (1.2 in) of precipitation over 4 days, accompanied by an average humidity of 80%, making for a cozy yet slightly damp atmosphere.

May Temperature in Butterworth

In May in Butterworth, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as 5°C (42°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates May temperature patterns in Butterworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Butterworth, May typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec696968636158585760626366
Data source: Temperature data for Butterworth 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 Butterworth

In Butterworth in May, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

May Precipitation Trends in Butterworth

The chart displays monthly precipitation patterns in Butterworth, 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 Butterworth, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1021131081053119725499194121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Butterworth

In Butterworth in May, humidity is 80%. With an average temperature of 16°C (61°F), this humidity feels like a warm blanket wrapped around you, making sightseeing a sweat-inducing challenge but also lending a lush vibrancy to the surroundings that can enhance your travel experience.

May Average Humidity in Butterworth

This chart illustrates the average monthly humidity levels in Butterworth, 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 Butterworth is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%84%82%80%75%75%75%79%80%80%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Butterworth

In Butterworth 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 Butterworth.

Maximum UV Index Levels in Butterworth for May

The chart shows the monthly maximum UV Index (UVI) for Butterworth 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 Butterworth typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141411854469111214
Data source: Butterworth 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 Butterworth Compares to Other Months

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

This table compares monthly weather conditions in Butterworth, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (69°F)102 mm (4.0 inches)81%extreme
February Weather21°C (69°F)113 mm (4.4 inches)82%extreme
March Weather20°C (68°F)108 mm (4.2 inches)84%extreme
April Weather17°C (63°F)105 mm (4.1 inches)82%very high
May Weather16°C (61°F)31 mm (1.2 inches)80%moderate
June Weather14°C (58°F)19 mm (0.7 inches)75%moderate
July Weather14°C (58°F)7 mm (0.3 inches)75%moderate
August Weather14°C (57°F)25 mm (1.0 inches)75%high
September Weather16°C (61°F)49 mm (1.9 inches)79%very high
October Weather17°C (62°F)91 mm (3.6 inches)80%extreme
November Weather17°C (64°F)94 mm (3.7 inches)80%extreme
December Weather19°C (66°F)120 mm (4.7 inches)82%extreme

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