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August Weather in Williamstown, United States

Last updated: June 24, 2025

In Williamstown, United States, the average temperature for August hovers around 23°C (74°F), with fluctuations between a minimum of 12°C (54°F) and a maximum of 34°C (94°F). Expect a precipitation of about 140 mm (5.5 in) spread over 14 days, while the average humidity remains comfortable at 62%.

August Temperature in Williamstown

In August in Williamstown, the average temperature is 23°C (74°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 12°C (54°F). This comfortable climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec323541526271767468584336
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.

August Precipitation in Williamstown

In Williamstown in August, the precipitation amount is 140 mm (5.5 in) over the course of 14 days.

August Precipitation Trends in Williamstown

The chart displays monthly precipitation patterns in Williamstown, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Williamstown, August typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec74107981111271061521401151149895
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Williamstown

In Williamstown in August humidity is 62%. With an average temperature of 23°C (74°F), this humidity feels like a warm, slightly sticky embrace, making it essential for travelers to stay hydrated and wear breathable clothing while exploring.

August Average Humidity in Williamstown

This chart illustrates the average monthly humidity levels in Williamstown, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Williamstown is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Williamstown

In Williamstown in August, 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 Williamstown.

Maximum UV Index Levels in Williamstown for August

The chart shows the monthly maximum UV Index (UVI) for Williamstown in August, 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 August, the maximum UV index in Williamstown typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Williamstown August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)74 mm (2.9 inches)87%moderate
February Weather1°C (35°F)107 mm (4.2 inches)85%moderate
March Weather5°C (41°F)98 mm (3.8 inches)85%high
April Weather11°C (52°F)110 mm (4.4 inches)83%very high
May Weather17°C (62°F)127 mm (5.0 inches)75%very high
June Weather21°C (71°F)106 mm (4.2 inches)73%very high
July Weather25°C (76°F)152 mm (6.0 inches)65%very high
August Weather23°C (74°F)140 mm (5.5 inches)62%very high
September Weather20°C (68°F)115 mm (4.5 inches)66%very high
October Weather14°C (58°F)114 mm (4.5 inches)79%high
November Weather6°C (43°F)98 mm (3.9 inches)87%moderate
December Weather2°C (36°F)94 mm (3.7 inches)85%low

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