2026 Climate Averages

Weather: Boston — August

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

👍 Climate Overview

August is a good time to visit Boston. Warm weather with highs of 26°C—great for outdoor activities. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 20°C is refreshing but swimmable.

8.8
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

26°C

Avg Low

19°C

Rainy days

10days

Daylight

14h

Feels like 28°C / 19°C — humidity makes it feel warmer

Rainfall

70mm

Sunshine

10.7h/day

Humidity

75%

Humid
Sun Strength

7.6

Very High
Wind

17 km/h (gusts 34)

Sea Temp

20°C 💧 Refreshing

Is August a good time to visit Boston?

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

Now

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Feels like --
Wind --
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Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:51

Sunset

19:49

14h daylight

Visiting Boston in August: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals
  • Long daylight hours maximize sightseeing time

Things to Do in August

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours

Boston Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 4°C -3°C 10d (104mm) 5.8h
67% Humid
2.8 Moderate
Good
Feb 5°C -3°C 8d (80mm) 6.6h
66% Humid
4 Moderate
Good
Mar 9°C 1°C 12d (113mm) 7.9h
64% Moderate
5.7 High
Good
Apr 13°C 5°C 11d (97mm) 8.5h
65% Humid
6.9 High
Good
May 19°C 11°C 9d (84mm) 10.4h
69% Humid
8.6 Very High
Excellent
Jun 24°C 16°C 10d (66mm) 11h
74% Humid
8.8 Very High
Excellent
Jul 27°C 20°C 11d (93mm) 11h
76% Humid
8.4 Very High
Good
Aug Current 26°C 19°C 10d (70mm) 10.7h
75% Humid
7.6 Very High
Good
Sep 22°C 15°C 9d (98mm) 8.7h
77% Humid
6 High
Excellent
Oct 17°C 10°C 8d (97mm) 7.3h
75% Humid
4.3 Moderate
Excellent
Nov 12°C 4°C 8d (69mm) 7h
67% Humid
3.3 Moderate
Good
Dec 6°C -1°C 11d (123mm) 5.4h
70% Humid
2.3 Moderate
Good

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3.4

Where to Stay

See hotels, apartments & rentals around Boston – live prices from Booking.com, Expedia, Vrbo and more

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Boston

Freedom Trail history, Fenway Park, Ivy-league vibes across the Charles, seafood, and harbor charm.

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What to Pack for August

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Cool Moderate

🎒Personalized Packing List

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📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Boston?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Boston?
August is typically good for visiting Boston, with average highs of 26°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Boston in August?
Evenings in Boston during August are mild at 19°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Boston in August?
With highs of 26°C and lows of 19°C in August, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Boston in August?
Boston typically sees around 10 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Boston in August?
Yes, August is excellent for swimming in Boston! With warm air temperatures around 26°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in Boston in August?
In August, Boston gets approximately 14 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Boston?
No, August is not peak season in Boston. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

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

Solar calculations: SunCalc (timezone: America/New_York)

Last Updated: February 2026

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