Boston weather by month
Boston, a city steeped in history and brimming with culture, experiences all four seasons distinctly. Knowing what to expect weather-wise is crucial for planning a comfortable and enjoyable trip – or simply preparing for the year ahead if you’re a resident. This guide breaks down Boston’s weather month by month, helping you pack appropriately and make the most of everything the city has to offer.
January: Winter’s Grip
January in Boston is typically the coldest month, with average high temperatures hovering around 38°F (3°C) and lows dipping to around 22°F (-6°C). Snowfall is common, and blizzards aren’t unheard of. Expect icy conditions and shorter daylight hours. It’s a great time for cozy indoor activities like museum visits and enjoying the city’s vibrant restaurant scene.
February: Still Cold, But a Hint of Change
February remains firmly in winter’s grasp, with similar temperatures to January. While still cold, there’s a subtle increase in daylight. Snowstorms are still possible, but the intensity often begins to lessen towards the end of the month. Consider ice skating on the Boston Common Frog Pond or catching a performance at the Boston Symphony Orchestra.
March: The Transition Begins
March marks the beginning of the transition from winter to spring. Temperatures start to climb, averaging highs around 45°F (7°C) and lows around 30°F (-1°C). Expect a mix of sunshine, rain, and occasional late-season snow. The city starts to awaken with the promise of warmer days ahead. St. Patrick’s Day celebrations add a festive atmosphere.
April: Spring Arrives (Eventually!)
April in Boston can be unpredictable. Temperatures fluctuate, with average highs around 55°F (13°C) and lows around 40°F (4°C). Rain is frequent, but sunny days become more common. Flowers begin to bloom, and the city’s parks and gardens come alive. The Boston Marathon typically takes place in April, drawing large crowds.
May: Pleasant and Blooming
May is arguably one of the most pleasant months in Boston. Temperatures are mild, averaging highs around 65°F (18°C) and lows around 50°F (10°C). The city is in full bloom, and outdoor activities become increasingly popular. Enjoy walking the Freedom Trail, exploring the Public Garden, or taking a harbor cruise.
June: Warm and Sunny
June brings warm and sunny weather to Boston. Average highs reach around 75°F (24°C) and lows around 60°F (16°C). Humidity starts to increase, but the pleasant temperatures make it ideal for outdoor events and festivals. Concerts in the Hatch Shell and outdoor dining are popular choices.
July: Summer Heat
July is the hottest month in Boston, with average highs around 83°F (28°C) and lows around 68°F (20°C). Humidity can be high, making it feel even warmer. Enjoy swimming at the beaches, attending outdoor concerts, or exploring the city’s many parks.
August: Continued Warmth
August continues the summer warmth, with temperatures similar to July. Expect occasional heat waves and afternoon thunderstorms. It’s a great time to visit the Boston Harbor Islands or enjoy a Red Sox game at Fenway Park.
September: A Golden Transition
September is a beautiful month in Boston, with warm days and cool nights. Average highs are around 77°F (25°C) and lows around 62°F (17°C). The foliage begins to change, painting the city in vibrant colors. It’s a perfect time for walking tours, bike rides, and enjoying the fall atmosphere.
October: Fall Foliage and Crisp Air
October is renowned for its stunning fall foliage. Temperatures cool down, averaging highs around 63°F (17°C) and lows around 48°F (9°C). Expect crisp, clear days and colorful landscapes. Halloween celebrations add a spooky touch to the city.
November: Cool and Gray
November brings cooler temperatures and more overcast days. Average highs are around 52°F (11°C) and lows around 38°F (3°C). Rain is common, and the first snowflakes may appear. It’s a good time to visit museums, theaters, and enjoy the city’s indoor attractions. Thanksgiving is celebrated in November.
December: Winter Returns
December marks the return of winter, with average highs around 42°F (6°C) and lows around 28°F (-2°C). Snowfall is likely, and the city is decorated for the holidays. Enjoy ice skating, holiday shopping, and festive events.
Boston Weather by Month: A Quick Reference
| Month | Avg. High (°F) | Avg. Low (°F) | Precipitation (inches) |
|---|---|---|---|
| January | 38 | 22 | 4.2 |
| February | 41 | 24 | 3.8 |
| March | 45 | 30 | 4.1 |
| April | 55 | 40 | 4.0 |
| May | 65 | 50 | 3.6 |
| June | 75 | 60 | 3.8 |
| July | 83 | 68 | 4.3 |
| August | 82 | 68 | 4.1 |
| September | 77 | 62 | 3.8 |
| October | 63 | 48 | 3.7 |
| November | 52 | 38 | 4.2 |
| December | 42 | 28 | 4.4 |
Frequently Asked Questions (FAQ)
Q: What is the rainiest month in Boston?
A: November is typically the rainiest month in Boston.
Q: What is the hottest month in Boston?
A: July is generally the hottest month in Boston.
Q: Does Boston get hurricanes?
A: While rare, Boston can experience the effects of hurricanes or tropical storms, particularly in late summer and early fall.
Q: What should I pack for a trip to Boston in the fall?
A: Layers are key! Pack a light jacket, sweater, long-sleeved shirts, and comfortable walking shoes. An umbrella is also a good idea.
Q: Is Boston walkable?
A: Yes, Boston is a very walkable city, especially in the downtown areas.
Resources
- National Weather Service – Boston: https://www.weather.gov/box/
- The Boston Calendar: https://www.thebostoncalendar.com/ (for events that might be affected by weather)
- MBTA (Massachusetts Bay Transportation Authority): https://www.mbta.com/ (for public transportation information, especially useful during inclement weather)
- Boston USA Tourism: https://www.bostonusa.com/
- AccuWeather Boston: https://www.accuweather.com/en/us/boston/02108/daily-weather-forecast/349727
