May Weather in Grahamstown

Last updated: March 2, 2024

The weather in Grahamstown, South Africa, during May is characterized by an average temperature of 16°C (61°F). Highs can soar to 31°C (89°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Grahamstown throughout May hovers around 84%.

5°C (41°F)

Minimum temperature

16°C (61°F)

Average temperature

31°C (89°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In May, Grahamstown averages 22 mm (0.9 inches) of rainfall, typically over the course of 5 rainy days. The month enjoys an average of 10 hours 22 minutes of daylight, with the sun shining for approximately 9 hours 35 minutes each day. Additionally, there is a 66% probability of sunny days during this period.

22 mm (0.9 inches)

Precipitation

5 rainy days

Rainy days

9 hours 35 minutes

Sunshine hours

66%

Chance of sun

UV Index

In May, the UV Index in Grahamstown reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 4 5 5 5 4 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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