June Weather in Williamstown, United States

Last updated: June 24, 2025

In June, the average temperature in Williamstown, United States hovers around 18°C (65°F). Expect a minimum of 3°C (38°F) and a maximum reaching 32°C (90°F). During this month, precipitation amounts to 90 mm (3.5 in), typically spread over 12 days. Additionally, you'll experience an average humidity of 72%, creating a mild and somewhat humid atmosphere.

June Temperature in Williamstown

In June in Williamstown, the average temperature is 18°C (65°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 3°C (38°F). Be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates June temperature patterns in Williamstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamstown, June typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (38°F).

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

June Precipitation in Williamstown

In Williamstown in June, the precipitation amount is 90 mm (3.5 in) spread over 12 days.

June Precipitation Trends in Williamstown

The chart displays monthly precipitation patterns in Williamstown, 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 Williamstown, June typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Williamstown

In Williamstown in June humidity is 72%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the air clings to your skin and the heat can be stifling, yet it's perfect for enjoying leisurely strolls under the shade.

June Average Humidity in Williamstown

This chart illustrates the average monthly humidity levels in Williamstown, 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 Williamstown is approximately 72%, 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 Williamstown

In Williamstown in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Williamstown.

Maximum UV Index Levels in Williamstown for June

The chart shows the monthly maximum UV Index (UVI) for Williamstown 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 Williamstown typically reaches 10, which falls under the very high exposure category.

Data source: Williamstown 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 Williamstown Compares to Other Months

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

This table compares monthly weather conditions in Williamstown, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	86 mm (3.4 inches)	89%	moderate
February Weather	-3°C (26°F)	105 mm (4.1 inches)	88%	moderate
March Weather	0°C (32°F)	94 mm (3.7 inches)	86%	high
April Weather	7°C (44°F)	136 mm (5.4 inches)	84%	very high
May Weather	13°C (56°F)	110 mm (4.3 inches)	76%	very high
June Weather	18°C (65°F)	90 mm (3.5 inches)	72%	very high
July Weather	21°C (71°F)	130 mm (5.1 inches)	66%	very high
August Weather	20°C (69°F)	103 mm (4.0 inches)	64%	very high
September Weather	17°C (62°F)	105 mm (4.1 inches)	72%	high
October Weather	10°C (51°F)	155 mm (6.1 inches)	81%	high
November Weather	2°C (37°F)	113 mm (4.5 inches)	87%	moderate
December Weather	-2°C (28°F)	115 mm (4.5 inches)	84%	low