May Weather in Heilbron

Last updated: March 2, 2024

The weather in Heilbron, South Africa, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 25°C (77°F), while lows may dip to 2°C (36°F). Typically, the humidity level in Heilbron throughout May hovers around 82%.

2°C (36°F)

Minimum temperature

13°C (56°F)

Average temperature

25°C (77°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In May, Heilbron averages 11 mm (0.4 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 10 hours 44 minutes of daylight, with the sun shining for approximately 10 hours 19 minutes each day. Additionally, there is a 81% probability of sunny days during this period.

11 mm (0.4 inches)

Precipitation

2 rainy days

Rainy days

10 hours 19 minutes

Sunshine hours

81%

Chance of sun

UV Index

In May, the UV Index in Heilbron reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 25 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 3 5 7 7 6 5 3 1 1 0 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Heilbron's Climate with Cities Worldwide