August Weather in Boylston, United States

Last updated: June 24, 2025

In August, the average temperature in Boylston, United States hovers around 22°C (72°F). Be prepared for a temperature range that can dip to a chilly 9°C (49°F) or soar up to a sweltering 34°C (94°F). Expect about 99 mm (3.9 in) of precipitation spread over 11 days, contributing to an average humidity level of 66%. Stay comfortable and plan accordingly!

August Temperature in Boylston

In August in Boylston, the average temperature is 22°C (72°F). Maximums can reach 34°C (94°F), while minimums can dip as low as 9°C (49°F). This pleasant climate makes Boylston an ideal destination for travelers looking to enjoy both warm days and cooler evenings.

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

The chart illustrates August temperature patterns in Boylston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boylston, August typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Boylston generated using information from the Copernicus Climate Change Service.

August Precipitation in Boylston

In Boylston, in August, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

August Precipitation Trends in Boylston

The chart displays monthly precipitation patterns in Boylston, 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 Boylston, August typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Boylston

In Boylston in August, humidity is 66%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, enveloping blanket, making it essential to stay hydrated while exploring the sights and taking regular breaks in shaded areas.

August Average Humidity in Boylston

This chart illustrates the average monthly humidity levels in Boylston, 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 Boylston is approximately 66%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Boylston

In Boylston 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 Boylston.

Maximum UV Index Levels in Boylston for August

The chart shows the monthly maximum UV Index (UVI) for Boylston 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 Boylston typically reaches 9, which falls under the very high exposure category.

Data source: Boylston 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 Boylston Compares to Other Months

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

This table compares monthly weather conditions in Boylston, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	74 mm (2.9 inches)	86%	moderate
February Weather	-1°C (31°F)	90 mm (3.5 inches)	84%	moderate
March Weather	2°C (36°F)	87 mm (3.4 inches)	82%	high
April Weather	8°C (47°F)	132 mm (5.2 inches)	80%	very high
May Weather	14°C (58°F)	91 mm (3.6 inches)	72%	very high
June Weather	20°C (68°F)	93 mm (3.7 inches)	72%	very high
July Weather	23°C (73°F)	154 mm (6.1 inches)	67%	very high
August Weather	22°C (72°F)	99 mm (3.9 inches)	66%	very high
September Weather	18°C (65°F)	89 mm (3.5 inches)	71%	high
October Weather	12°C (54°F)	137 mm (5.4 inches)	78%	high
November Weather	5°C (41°F)	102 mm (4.0 inches)	84%	moderate
December Weather	0°C (32°F)	125 mm (4.9 inches)	81%	low