June Weather in Heilbron, South Africa

Last updated: August 31, 2025

In June, the average temperature in Heilbron, South Africa hovers around 10°C (50°F), with a minimum dipping to -5°C (24°F) and a maximum reaching up to 25°C (78°F). Expect precipitation of about 8 mm (0.3 in) over 1 day, coupled with an average humidity of 73%. Whether you’re exploring or relaxing, the weather offers a dynamic experience!

June Temperature in Heilbron

In June in Heilbron, the average temperature is 10°C (50°F), with maximums reaching up to 25°C (78°F) and minimums dropping as low as -5°C (24°F). This variability in temperature makes Heilbron an intriguing destination for travelers who enjoy diverse weather conditions.

June Weather in Heilbron: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Heilbron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heilbron, June typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec706967615550505663666869
Data source: Temperature data for Heilbron 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.

June Precipitation in Heilbron

In Heilbron in June, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

June Precipitation Trends in Heilbron

The chart displays monthly precipitation patterns in Heilbron, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Heilbron, June typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec11011470661183785391160
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Heilbron

In Heilbron in June, humidity is 73%. With an average temperature of 10°C (50°F), this humidity feels like a chilly, damp embrace, making it essential to layer your clothing while traveling, as the moisture in the air can quickly chill you to the bone.

June Average Humidity in Heilbron

This chart illustrates the average monthly humidity levels in Heilbron, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Heilbron is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%77%81%83%73%71%68%74%74%82%81%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Heilbron

In Heilbron in June, 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 Heilbron.

Maximum UV Index Levels in Heilbron for June

The chart shows the monthly maximum UV Index (UVI) for Heilbron in June, 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 June, the maximum UV index in Heilbron typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311756811121416
Data source: Heilbron June 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 June Weather in Heilbron Compares to Other Months

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

This table compares monthly weather conditions in Heilbron, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)109 mm (4.3 inches)79%extreme
February Weather21°C (70°F)114 mm (4.5 inches)77%extreme
March Weather20°C (67°F)70 mm (2.8 inches)77%extreme
April Weather16°C (62°F)66 mm (2.6 inches)81%extreme
May Weather13°C (56°F)11 mm (0.4 inches)82%high
June Weather10°C (50°F)8 mm (0.3 inches)73%moderate
July Weather10°C (50°F)3 mm (0.1 inches)71%high
August Weather13°C (56°F)7 mm (0.3 inches)68%very high
September Weather17°C (63°F)7 mm (0.3 inches)74%extreme
October Weather19°C (66°F)53 mm (2.1 inches)74%extreme
November Weather20°C (69°F)91 mm (3.6 inches)82%extreme
December Weather21°C (69°F)160 mm (6.3 inches)81%extreme

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