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July Weather in Cambridge, United States

Last updated: June 24, 2025

In July, the average temperature in Cambridge, United States hovers around 26°C (79°F). Expect a range from a cool 13°C (56°F) to a sweltering 39°C (103°F). During this month, precipitation amounts to 71 mm (2.8 in) over roughly 9 days, while the average humidity stays high at 77%. Prepare for a mix of warmth and occasional showers!

July Temperature in Cambridge

In July in Cambridge, the average temperature is 26°C (79°F), with maximums reaching up to 39°C (103°F) and minimums dropping as low as 13°C (56°F). This wide temperature range makes it essential for travelers to pack both lighter clothing for the heat and warmer layers for cooler evenings.

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 26°C (79°F), with highs reaching up to 39°C (103°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec292842506175787569524233
Data source: Temperature data for Cambridge generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Cambridge

In Cambridge in July, the precipitation amount is 71 mm (2.8 in) spread over 9 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 71 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1918713814457716965551629
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Cambridge

In Cambridge in July humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)19 mm (0.8 inches)73%moderate
February Weather-2°C (29°F)18 mm (0.7 inches)80%moderate
March Weather5°C (42°F)71 mm (2.8 inches)64%high
April Weather10°C (50°F)37 mm (1.5 inches)64%very high
May Weather16°C (61°F)144 mm (5.7 inches)76%very high
June Weather24°C (75°F)57 mm (2.2 inches)79%extreme
July Weather26°C (79°F)71 mm (2.8 inches)77%extreme
August Weather24°C (75°F)69 mm (2.7 inches)79%very high
September Weather21°C (69°F)65 mm (2.5 inches)70%very high
October Weather11°C (52°F)55 mm (2.2 inches)64%high
November Weather5°C (42°F)16 mm (0.6 inches)75%moderate
December Weather0°C (33°F)29 mm (1.1 inches)78%moderate

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