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June Weather in Williamstown, United States

Last updated: June 24, 2025

In Williamstown, United States, the average temperature in June hovers around 17°C (64°F). Temperatures can vary significantly, with a minimum of 0°C (32°F) and soaring to a maximum of 33°C (92°F). Expect 97 mm (3.8 in) of precipitation spread over 13 days, contributing to an average humidity of 72%. Get ready for a dynamic month!

June Temperature in Williamstown

In June in Williamstown, the average temperature is 17°C (64°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 0°C (32°F). Be sure to pack a variety of clothing to comfortably enjoy the diverse weather conditions during your visit.

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 17°C (64°F), with highs reaching up to 33°C (92°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec192229425463686659483324
Data source: Temperature data for Williamstown 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 Williamstown

In Williamstown in June, the precipitation amount is 97 mm (3.8 in) over the course of 13 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 97 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7780711179697140987114110488
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Williamstown

In Williamstown in June humidity is 72%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace, making travel comfortable yet slightly muggy, especially during midday when the warmth is more pronounced.

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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
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.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)77 mm (3.0 inches)89%low
February Weather-6°C (22°F)80 mm (3.2 inches)88%moderate
March Weather-2°C (29°F)71 mm (2.8 inches)86%moderate
April Weather5°C (42°F)117 mm (4.6 inches)84%very high
May Weather12°C (55°F)96 mm (3.8 inches)76%very high
June Weather17°C (64°F)97 mm (3.8 inches)72%very high
July Weather20°C (69°F)140 mm (5.5 inches)66%very high
August Weather19°C (67°F)98 mm (3.9 inches)64%very high
September Weather15°C (60°F)71 mm (2.8 inches)72%high
October Weather9°C (48°F)141 mm (5.6 inches)81%moderate
November Weather1°C (33°F)104 mm (4.1 inches)87%moderate
December Weather-5°C (24°F)88 mm (3.4 inches)84%low

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