July Weather in Cambridge, United States

Last updated: June 24, 2025

In July, the average temperature in Cambridge, United States reaches a warm 27°C (81°F). Temperatures can vary widely, with a minimum of 18°C (65°F) and a scorching maximum of 36°C (96°F). Expect an average precipitation of 136 mm (5.4 in) spread over 11 days, and be prepared for humidity levels averaging around 74%.

July Temperature in Cambridge

In July in Cambridge, the average temperature is 27°C (81°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as 18°C (65°F). It's an ideal time for travelers seeking warm weather and a comfortable climate for outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (96°F) and lows dropping to around 18°C (65°F).

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

July Precipitation in Cambridge

In Cambridge in July, the total precipitation amount reaches 136 mm (5.4 in) over the course of 11 days.

July Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Cambridge, July typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Cambridge

In Cambridge in July humidity is 74%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket, making traveling feel both sticky and draining, yet the heat invites you to seek out refreshing dips in pools or shady spots to relax.

July Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Cambridge is approximately 74%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Cambridge

In Cambridge in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cambridge.

Maximum UV Index Levels in Cambridge for July

The chart shows the monthly maximum UV Index (UVI) for Cambridge in July, 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 July, the maximum UV index in Cambridge typically reaches 10, which falls under the very high exposure category.

Data source: Cambridge July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	68 mm (2.7 inches)	84%	moderate
February Weather	5°C (42°F)	101 mm (4.0 inches)	83%	moderate
March Weather	8°C (47°F)	88 mm (3.5 inches)	83%	high
April Weather	14°C (57°F)	86 mm (3.4 inches)	81%	very high
May Weather	19°C (66°F)	115 mm (4.5 inches)	78%	very high
June Weather	24°C (75°F)	90 mm (3.5 inches)	79%	very high
July Weather	27°C (81°F)	136 mm (5.4 inches)	74%	very high
August Weather	26°C (79°F)	148 mm (5.8 inches)	72%	very high
September Weather	23°C (74°F)	99 mm (3.9 inches)	75%	very high
October Weather	18°C (65°F)	118 mm (4.7 inches)	81%	high
November Weather	10°C (51°F)	86 mm (3.4 inches)	85%	moderate
December Weather	6°C (44°F)	100 mm (3.9 inches)	84%	moderate