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August Weather in Hopkinton, United States

Last updated: June 24, 2025

In Hopkinton, United States, the average temperature in August hovers around 22°C (72°F), making it a pleasant time to visit. Expect a comfortable range where minimums can dip to 10°C (51°F) and highs can soar up to 34°C (93°F). Throughout the month, anticipate 84 mm (3.3 in) of precipitation spread over about 10 days, complemented by an average humidity level of 69%. Enjoy the blend of warmth and moisture as you explore!

August Temperature in Hopkinton

In August in Hopkinton, the average temperature is 22°C (72°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 10°C (51°F). This makes it an ideal time to explore the area, with pleasant weather perfect for outdoor activities and sightseeing.

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 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec212237476172757166523730
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 84 mm (3.3 in) over a span 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 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4859678015812287841241324843
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 69%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making travel feel sticky and slightly oppressive, yet also invigorating as the air is thick with the scent of blooming flora and vibrant surroundings.

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 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec34589111098533
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-6°C (21°F)48 mm (1.9 inches)84%moderate
February Weather-5°C (22°F)59 mm (2.3 inches)85%moderate
March Weather3°C (37°F)67 mm (2.6 inches)84%moderate
April Weather8°C (47°F)80 mm (3.1 inches)83%very high
May Weather16°C (61°F)158 mm (6.2 inches)75%very high
June Weather22°C (72°F)122 mm (4.8 inches)79%extreme
July Weather24°C (75°F)87 mm (3.4 inches)75%very high
August Weather22°C (72°F)84 mm (3.3 inches)69%very high
September Weather19°C (66°F)124 mm (4.9 inches)74%very high
October Weather11°C (52°F)131 mm (5.2 inches)79%moderate
November Weather3°C (37°F)48 mm (1.9 inches)88%moderate
December Weather-1°C (30°F)43 mm (1.7 inches)82%moderate

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