Best Time to Visit Boston
Boston is best visited All year, when conditions are at their most settled.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 3.7°C | -4.3°C | 88.2mm | 5.7h | 10 | 8/10 |
| February Best | 4.6°C | -5.3°C | 84.9mm | 6.1h | 10 | 8/10 |
| March Best | 9.3°C | -1.1°C | 91.1mm | 8.4h | 11 | 10/10 |
| April Best | 13.0°C | 3.8°C | 99.9mm | 8.5h | 10 | 10/10 |
| May Best | 20.1°C | 9.4°C | 74.8mm | 11.1h | 9 | 10/10 |
| June Best | 25.4°C | 15.2°C | 74.6mm | 11.2h | 11 | 10/10 |
| July Best | 28.4°C | 19.1°C | 126.0mm | 11.1h | 12 | 9/10 |
| August Best | 27.9°C | 18.7°C | 96.0mm | 10.5h | 12 | 10/10 |
| September Best | 23.0°C | 14.6°C | 143.8mm | 8.7h | 10 | 9/10 |
| October Best | 17.7°C | 9.4°C | 138.3mm | 7.4h | 9 | 9/10 |
| November Best | 11.4°C | 2.5°C | 74.9mm | 7.1h | 7 | 10/10 |
| December Best | 6.6°C | -1.5°C | 130.4mm | 5.5h | 10 | 9/10 |
Boston Climate
Boston has a continental climate — hot summers, cold winters and moderate rainfall. Check the annual climate overview for Boston for the full year picture.
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Frequently Asked Questions
What is the best month to visit Boston?
The best month to visit Boston is January, when temperatures average 3.7°C and conditions score 8/10 for comfort.
What is the weather like in Boston in January?
Boston in January is very cold — daytime temperatures average 3.7°C, dropping to -4.3°C at night. The month is fairly wet (10 rainy days on average), with roughly 5.7 hours of sunshine a day. It is one of the best months of the year to visit.
When is rainy season in Boston?
Boston does not have a distinct rainy season — rainfall is spread relatively evenly through the year.
Is Boston good to visit in winter?
Yes — winter (December, January, February) averages 3.7°C highs with a 8/10 comfort rating, making it a solid time to visit.
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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.