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August Weather in Hopkinton, United States

Last updated: June 24, 2025

In August, the average temperature in Hopkinton, United States hovers around 21°C (71°F). Expect a range between a cool 8°C (47°F) and a warm 35°C (96°F). During this period, precipitation totals about 93 mm (3.7 in) over approximately 10 days, with an average humidity of 66%. Enjoy your time while staying prepared for varied weather!

August Temperature in Hopkinton

In August in Hopkinton, the average temperature is 21°C (71°F). Maximum temperatures can reach as high as 35°C (96°F), while minimums can drop to as low as 8°C (47°F). This climate makes it an ideal time for travelers to enjoy a variety of outdoor activities, from sightseeing to relaxing in the comfortable warmth.

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

The chart illustrates August temperature patterns in Hopkinton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hopkinton, August typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734455767727163523828
Data source: Temperature data for Hopkinton 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 Hopkinton

In Hopkinton in August, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

August Precipitation Trends in Hopkinton

The chart displays monthly precipitation patterns in Hopkinton, 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 Hopkinton, August typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec70837712778851369376130105115
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hopkinton

In Hopkinton in August, humidity is 66%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities a bit taxing but also lends a vibrant energy to the atmosphere, ideal for those who appreciate a tropical ambiance while exploring.

August Average Humidity in Hopkinton

This chart illustrates the average monthly humidity levels in Hopkinton, 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 Hopkinton is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hopkinton

In Hopkinton 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 Hopkinton.

Maximum UV Index Levels in Hopkinton for August

The chart shows the monthly maximum UV Index (UVI) for Hopkinton 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 Hopkinton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Hopkinton 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 Hopkinton Compares to Other Months

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

This table compares monthly weather conditions in Hopkinton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)70 mm (2.8 inches)86%moderate
February Weather-3°C (27°F)83 mm (3.3 inches)84%moderate
March Weather1°C (34°F)77 mm (3.0 inches)82%moderate
April Weather7°C (45°F)127 mm (5.0 inches)80%very high
May Weather14°C (57°F)78 mm (3.1 inches)72%very high
June Weather20°C (68°F)85 mm (3.4 inches)72%very high
July Weather22°C (73°F)136 mm (5.3 inches)67%very high
August Weather21°C (71°F)93 mm (3.7 inches)66%very high
September Weather17°C (64°F)76 mm (3.0 inches)71%high
October Weather11°C (52°F)130 mm (5.1 inches)78%moderate
November Weather3°C (38°F)105 mm (4.1 inches)84%moderate
December Weather-2°C (29°F)115 mm (4.5 inches)81%low

Compare Hopkinton's Climate with Cities Worldwide