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August Weather in Williamstown, United States

Last updated: June 24, 2025

In Williamstown, United States, the average temperature in August is approximately 24°C (75°F). Expect a range with minimums dipping to 13°C (56°F) and maximums soaring to 34°C (94°F). During this month, you'll encounter an average precipitation of 88 mm (3.5 in) spread over 13 days, contributing to an average humidity level of 73%.

August Temperature in Williamstown

In August in Williamstown, the average temperature is 24°C (75°F). Maximums can reach 34°C (94°F), and minimums can be as low as 13°C (56°F). This makes it an ideal time for travelers to enjoy a pleasant mix of warm and cool weather while exploring the area.

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 24°C (75°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec343846556673777570594439
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 88 mm (3.5 in) spread over 13 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 88 mm (3.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec821231331351311681198810710491116
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 73%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making it somewhat uncomfortable for traveling if you're not acclimated, as sweat clings to your skin and limits your energy for exploration.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
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 Weather1°C (35°F)82 mm (3.2 inches)88%moderate
February Weather4°C (39°F)122 mm (4.8 inches)88%moderate
March Weather8°C (46°F)133 mm (5.2 inches)87%high
April Weather13°C (55°F)135 mm (5.3 inches)85%very high
May Weather19°C (66°F)131 mm (5.2 inches)81%very high
June Weather23°C (73°F)167 mm (6.6 inches)82%very high
July Weather25°C (77°F)119 mm (4.7 inches)81%very high
August Weather24°C (75°F)88 mm (3.5 inches)73%very high
September Weather21°C (71°F)107 mm (4.2 inches)73%very high
October Weather15°C (60°F)104 mm (4.1 inches)78%high
November Weather7°C (45°F)91 mm (3.6 inches)89%moderate
December Weather4°C (40°F)116 mm (4.6 inches)87%moderate

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