June Weather in Williston, United States

Last updated: June 24, 2025

In June, the average temperature in Williston, United States hovers around 19°C (66°F). However, be prepared for a range of conditions, as temperatures can dip to a cool 4°C (39°F) or soar to a scorching 35°C (96°F). Expect 74 mm (2.9 in) of precipitation spread across 9 days, contributing to an average humidity of 69%. Whether you're enjoying the warmth or bracing for a shower, this month offers a diverse climate experience!

June Temperature in Williston

In June in Williston, the average temperature is 19°C (66°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 4°C (39°F). Be prepared for varying temperatures, making it a great time to experience diverse weather conditions while traveling.

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 19°C (66°F), with highs reaching up to 35°C (96°F) and lows dropping to around 4°C (39°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 74 mm (2.9 in), which occurs over a span of 9 days.

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 74 mm (2.9 inches) of precipitation spread over approximately 9 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 69%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air hangs heavy and the heat clings to your skin, urging you to seek shade or refreshment often.

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 69%, 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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Williston.

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 9, which falls under the very high 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	-10°C (14°F)	11 mm (0.4 inches)	89%	low
February Weather	-12°C (11°F)	18 mm (0.7 inches)	92%	moderate
March Weather	-2°C (28°F)	23 mm (0.9 inches)	84%	moderate
April Weather	3°C (38°F)	28 mm (1.1 inches)	74%	very high
May Weather	12°C (55°F)	45 mm (1.8 inches)	73%	very high
June Weather	19°C (66°F)	74 mm (2.9 inches)	69%	very high
July Weather	22°C (71°F)	58 mm (2.3 inches)	76%	very high
August Weather	20°C (68°F)	44 mm (1.7 inches)	74%	very high
September Weather	15°C (58°F)	59 mm (2.3 inches)	65%	high
October Weather	5°C (42°F)	30 mm (1.2 inches)	71%	moderate
November Weather	-2°C (29°F)	19 mm (0.7 inches)	84%	low
December Weather	-7°C (20°F)	19 mm (0.8 inches)	92%	low