June Weather in Williston, South Africa

Last updated: August 31, 2025

In Williston, South Africa, the average temperature in June is a mild 11°C (53°F). While daytime highs can reach a pleasant 26°C (79°F), nighttime lows may dip to as low as -3°C (27°F). Expect a touch of moisture with 5 mm (0.2 in) of precipitation over 1 day, and embrace the average humidity of 79% that makes the air feel refreshingly crisp.

June Temperature in Williston

In June in Williston, the average temperature is 11°C (53°F). Maximums can reach 26°C (79°F), while minimums can drop to as low as -3°C (27°F). It's advisable to pack layers for your travels, as the weather can vary greatly throughout the day.

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

The chart illustrates June temperature patterns in Williston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williston, June typically has an average temperature of 11°C (53°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).

Data source: Temperature data for Williston generated using information from the Copernicus Climate Change Service.

June Precipitation in Williston

In Williston in June, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

June Precipitation Trends in Williston

The chart displays monthly precipitation patterns in Williston, 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 Williston, June typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Williston

In Williston in June, humidity is 79%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make traveling uncomfortable, as the cool air clings to your skin and dampens your clothes, leaving you seeking shelter and a warm drink more often than not.

June Average Humidity in Williston

This chart illustrates the average monthly humidity levels in Williston, 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 Williston is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Williston

In Williston in June, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Williston for better planning.

Maximum UV Index Levels in Williston for June

The chart shows the monthly maximum UV Index (UVI) for Williston 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 Williston typically reaches 4, which falls under the moderate exposure category.

Data source: Williston 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 Williston Compares to Other Months

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

This table compares monthly weather conditions in Williston, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	10 mm (0.4 inches)	50%	extreme
February Weather	25°C (78°F)	11 mm (0.4 inches)	55%	extreme
March Weather	23°C (73°F)	15 mm (0.6 inches)	65%	extreme
April Weather	18°C (65°F)	28 mm (1.1 inches)	72%	very high
May Weather	15°C (59°F)	6 mm (0.2 inches)	78%	high
June Weather	11°C (53°F)	5 mm (0.2 inches)	79%	moderate
July Weather	10°C (51°F)	8 mm (0.3 inches)	73%	moderate
August Weather	11°C (52°F)	2 mm (0.1 inches)	64%	high
September Weather	15°C (60°F)	5 mm (0.2 inches)	58%	extreme
October Weather	19°C (66°F)	13 mm (0.5 inches)	53%	extreme
November Weather	21°C (70°F)	6 mm (0.2 inches)	42%	extreme
December Weather	23°C (74°F)	11 mm (0.5 inches)	44%	extreme