2026 Climate Averages

Weather in Boston in August

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

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Climate Overview

August is a good time to visit Boston. Boston has a Cool climate with average yearly highs of 29°C, lows of 19°C, and approximately 10 rainy days per month.

Avg High

29°C

Avg Low

19°C

Rainy days

10days

Daylight

14h

Is August a good time to visit Boston?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Daylight

Sunrise

5:51 AM

Sunset

7:49 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 5°C -3°C 7 Good
February 5°C -3°C 10 Good
March 10°C 0°C 12 Good
April 10°C 2°C 12 Good
May 19°C 8°C 8 Excellent (best)
June 26°C 16°C 9 Excellent (best)
July 29°C 20°C 11 Good
August 29°C 19°C 10 Good
September 24°C 14°C 6 Excellent (best)
October 17°C 8°C 9 Excellent (best)
November 13°C 4°C 9 Good
December 5°C -3°C 9 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for August

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Cool
Travel Context Brisk but pleasant—ideal for hiking or city walks with a light jacket.

Planning a trip to Boston?

Common Questions

Is August a good time to visit Boston? +

August is typically Good for visiting Boston, with average highs of 29°C and around 10 rainy days.

What should I pack for Boston in August? +

With highs of 29°C and lows of 19°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Boston in August? +

Boston typically sees around 10 rainy days in August.

How many hours of daylight are there in Boston in August? +

In August, Boston gets approximately 14 hours of daylight per day.

Is August peak season in Boston? +

No, August is not peak season in Boston. Expect better value on accommodation and fewer tourists.

What is the best month to visit Boston? +

The best months to visit Boston are May, June, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/New_York)

Last Updated: January 2026

More Boston Guides

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Things to Do

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Overview

Complete travel guide for Boston: top things to do, itineraries, and typical costs.

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August

29° / 19°
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