Weather in Boston in July
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youJuly in Boston is hot, with average highs of 28.4°C and lows of 19.1°C. It is fairly wet (12 rainy days on average), with roughly 11.1 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Boston — every month compared. Once you know when to go, find your Boston packing list at 247PackingList.
Get ready for Boston in July
Search flights to Boston
Compare 100+ airlines for July — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Boston in July
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Boston
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 3.7°C | 88.2mm | 8/10 |
| February | 4.6°C | 84.9mm | 8/10 |
| March | 9.3°C | 91.1mm | 10/10 |
| April | 13.0°C | 99.9mm | 10/10 |
| May | 20.1°C | 74.8mm | 10/10 |
| June | 25.4°C | 74.6mm | 10/10 |
| July | 28.4°C | 126.0mm | 9/10 |
| August | 27.9°C | 96.0mm | 10/10 |
| September | 23.0°C | 143.8mm | 9/10 |
| October | 17.7°C | 138.3mm | 9/10 |
| November | 11.4°C | 74.9mm | 10/10 |
| December | 6.6°C | 130.4mm | 9/10 |
Full month-by-month guide: best time to visit Boston →
For facts about United States — currency, language and dialling code — see our United States country guide at 247CountryInfo. Travellers also find it useful to keep a Boston travel guide to hand. Check clothing sizes in United States before you shop.
Frequently Asked Questions
Is July a good time to visit Boston?
July rates 9/10 for visiting Boston — excellent time to visit. Expect average highs of 28.4°C, 126.0mm of rain across the month and about 11.1 hours of daily sunshine.
What is the temperature in Boston in July?
In July, Boston has average highs of 28.4°C (83.1°F) and average lows of 19.1°C (66.4°F).
Does it rain in Boston in July?
Some rain is likely. Boston averages 126.0mm across about 12 rainy days in July, so a light waterproof layer is worth packing.
What should I wear in Boston in July?
For Boston in July (28.4°C highs / 19.1°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Boston in July
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.