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What is the Boston Weather in July?

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This post is an overview of the July weather in Boston, with tips on how to dress and things to do to help make the most of your trip.


AVERAGE TEMPERATURES IN BOSTON IN JULY

July in Boston means that it is summertime with warm temperatures, some humidity but not too many muggy hot days.

Average Temperatures in July in Boston

Daytime high temperatures generally average in the low 80s F (27 C to 28 C) with a couple of the warmer afternoons reaching into the low 90s F (32 C to 33 C).

Late night and early morning lows tend to be in the mid-60s F (18 C to 19 C) with a few of the cooler mornings dipping down into the upper 50s F (14 C to 15 C).

The record low temperature recorded in Boston during July was 50 F (10C).

How Hot Does Boston Get in July?

Overall during July, you should expect about 4-6 days to reach or exceed 90 F (32C) while the all-time record high for Boston was 103 F (39.4C).

Along with the warm temperatures comes some humidity with about 7- 12 days likely to feel hot and humid.

 


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HOW MUCH SUN & RAIN?

About 19 days this month will be sunny or at least partly sunny with measurable rain falling on 9-10 days.

Heavy rains of at least 0.5 inches (12.7mm) or more, however, only occur on 2-3 days.

  How Much Rain in Boston in July

Although daylight hours start to decrease this month there will still be ample time to explore this historic city.

You can expect over 15 hours of daylight early in the month, decreasing to about 14.5 hours by the end of the month.

In short, July is the best month of the year to take a walking tour.

 

 


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WHAT TO WEAR IN JULY?

Summer rules in July so definitely bring your summer attire with a light sweater or windbreaker for those few cooler evenings and mornings.

 

What to Wear in July in Boston

Bring an umbrella for the occasional rainy day and don’t forget some good walking shoes.

 


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WHAT TO DO IN BOSTON IN JULY?

Be sure to read our full post on what to do in Boston in July, which includes free things to do, night and family-friendly activities and attractions.

We also have a definitive post on the best things to do in Boston any time of the year.

And if you are planning on visiting many of Boston’s top attractions, then you should consider a tourist attraction discount pass as you could save up to 50% of retail ticket prices to tours, attractions, and restaurants.

  1. Take a Sightseeing Tour
  2. Watch the Red Sox Play Baseball
  3. Attend a Music Concert
  4. Watch a Musical
  5. Catch the Harbor Seals at the Aquarium

Be sure to read our full post on what to do in Boston in July, which includes free things to do, night and family-friendly activities and attractions.

 


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Fred Pickhardt
Ocean Weather Services

About The Author

Brian Burgess

Brian was born in Cambridge and has been living in the Boston area all his life. He is a graduate of Boston's Emerson College with a degree in communications with a journalism/history focus. He has been leading tours for Free Tours By Foot Boston since it was started in the city of Boston in 2012, and enjoys sharing his knowledge of Boston's rich history with not only the guests on his tours, but with everyone he meets.
Updated: September 25th, 2021
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