August Weather in Cambridge, United States

Last updated: June 24, 2025

In August, the average temperature in Cambridge, United States hovers around 23°C (74°F). Expect a comfortable range, with minimums dipping to 12°C (53°F) and maximums soaring to 34°C (94°F). While you're soaking up the sun, be prepared for occasional showers, as 70 mm (2.7 in) of precipitation can fall over 8 days. With an average humidity of 77%, it's the perfect time to enjoy the vibrant atmosphere!

August Temperature in Cambridge

In August in Cambridge, the weather is generally pleasant, making it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates August temperature patterns in Cambridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cambridge, 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 (53°F).

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

August Precipitation in Cambridge

In Cambridge in August, the precipitation amount is 70 mm (2.7 in) spread over 8 days.

August Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, 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 Cambridge, August typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 8 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 Cambridge

In Cambridge in August, humidity is 77%. With an average temperature of 23°C (74°F), this humidity feels like being enveloped in a warm, sticky blanket, making travel somewhat uncomfortable and requiring frequent hydration breaks to enjoy the sights without feeling overheated.

August Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, 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 Cambridge is approximately 77%, 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 Cambridge

In Cambridge 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 Cambridge.

Maximum UV Index Levels in Cambridge for August

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

Data source: Cambridge 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 Cambridge Compares to Other Months

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

This table compares monthly weather conditions in Cambridge, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	56 mm (2.2 inches)	81%	moderate
February Weather	-3°C (27°F)	63 mm (2.5 inches)	81%	moderate
March Weather	5°C (41°F)	100 mm (3.9 inches)	81%	high
April Weather	10°C (50°F)	113 mm (4.5 inches)	82%	very high
May Weather	17°C (63°F)	157 mm (6.2 inches)	78%	very high
June Weather	23°C (74°F)	143 mm (5.6 inches)	81%	extreme
July Weather	25°C (77°F)	100 mm (3.9 inches)	79%	very high
August Weather	23°C (74°F)	70 mm (2.7 inches)	77%	very high
September Weather	20°C (69°F)	103 mm (4.1 inches)	78%	very high
October Weather	12°C (55°F)	127 mm (5.0 inches)	78%	high
November Weather	4°C (39°F)	52 mm (2.0 inches)	87%	moderate
December Weather	0°C (33°F)	49 mm (1.9 inches)	84%	low