August Weather in Cambridge, United States

Last updated: June 24, 2025

In August, the average temperature in Cambridge, United States sits comfortably at 20°C (68°F), with daily fluctuations ranging from a cool 6°C (44°F) to a warm 33°C (92°F). Expect a total precipitation of 81 mm (3.2 in) spread over approximately 11 days, contributing to an average humidity of 74%. Perfect for those who appreciate a balance of warmth and refreshing moisture!

August Temperature in Cambridge

In August in Cambridge, the average temperature is 20°C (68°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 6°C (44°F). Be prepared for a pleasant mix of warm days and cooler evenings, making it an ideal time for outdoor activities and exploration.

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 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (44°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 81 mm (3.2 in) over a span of 11 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 81 mm (3.2 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Cambridge

In Cambridge in August humidity is 74%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting, prompting travelers to seek shade and hydration more often.

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 74%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, 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	-7°C (19°F)	88 mm (3.5 inches)	88%	low
February Weather	-6°C (21°F)	83 mm (3.3 inches)	88%	moderate
March Weather	-2°C (29°F)	75 mm (2.9 inches)	85%	moderate
April Weather	5°C (42°F)	126 mm (5.0 inches)	81%	very high
May Weather	12°C (54°F)	95 mm (3.7 inches)	76%	very high
June Weather	17°C (64°F)	85 mm (3.4 inches)	74%	very high
July Weather	20°C (69°F)	103 mm (4.1 inches)	74%	very high
August Weather	20°C (68°F)	81 mm (3.2 inches)	74%	very high
September Weather	16°C (60°F)	74 mm (2.9 inches)	77%	high
October Weather	9°C (49°F)	129 mm (5.1 inches)	82%	moderate
November Weather	1°C (34°F)	115 mm (4.5 inches)	85%	moderate
December Weather	-5°C (24°F)	120 mm (4.7 inches)	84%	low