August Weather in Cambridge, United States

Last updated: June 24, 2025

In Cambridge, United States, the average temperature in August is a pleasant 21°C (70°F). Expect minimum temperatures to dip to 10°C (50°F), while the maximums can reach a warm 33°C (91°F). This month brings an average precipitation of 136 mm (5.3 in) spread over 12 days, accompanied by an average humidity level of 81%. Ideal for those who enjoy a balmy, tropical atmosphere!

August Temperature in Cambridge

In August in Cambridge, the average temperature is 21°C (70°F), with maximums reaching 33°C (91°F) and minimums dipping as low as 10°C (50°F). This makes it an ideal time for travelers seeking pleasant weather and a variety of 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 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 10°C (50°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 136 mm (5.3 in) over the course of 12 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 136 mm (5.3 inches) of precipitation spread over approximately 12 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 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

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 81%, 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	-9°C (15°F)	20 mm (0.8 inches)	87%	low
February Weather	-9°C (16°F)	29 mm (1.1 inches)	90%	moderate
March Weather	0°C (32°F)	51 mm (2.0 inches)	85%	moderate
April Weather	6°C (42°F)	95 mm (3.7 inches)	84%	high
May Weather	15°C (58°F)	104 mm (4.1 inches)	78%	very high
June Weather	21°C (71°F)	74 mm (2.9 inches)	80%	very high
July Weather	23°C (74°F)	102 mm (4.0 inches)	81%	very high
August Weather	21°C (70°F)	136 mm (5.3 inches)	81%	very high
September Weather	17°C (63°F)	108 mm (4.3 inches)	81%	high
October Weather	9°C (48°F)	105 mm (4.1 inches)	84%	moderate
November Weather	0°C (32°F)	34 mm (1.4 inches)	88%	moderate
December Weather	-6°C (22°F)	49 mm (1.9 inches)	84%	low