Best Time to Visit
Best Time to Visit Boston
🇺🇸 Boston, United States · North America
Based on 30-year climate data (1991-2020) from Open-Meteo
Recommended Travel Months
Jan
2°
-6°
Fair
Feb
3°
-6°
Fair
Mar
7°
-2°
Good
Apr
14°
4°
Good
May
19°
10°
Great
Jun
25°
15°
Great
Jul
28°
19°
Great
Aug
27°
18°
Great
Sep
23°
15°
Great
Oct
16°
9°
Great
Nov
10°
3°
Good
Dec
5°
-2°
Good
Month-by-Month Weather in Boston
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C | -6°C | 10 | 6h | 65% | 1 | Fair | View |
| February | 3°C | -6°C | 9 | 7h | 65% | 1 | Fair | View |
| March | 7°C | -2°C | 11 | 8h | 65% | 6 | Good | View |
| April | 14°C | 4°C | 11 | 9h | 65% | 6 | Good | View |
| MayRecommended | 19°C | 10°C | 11 | 10h | 65% | 9 | Great | View |
| JuneRecommended | 25°C | 15°C | 10 | 11h | 65% | 9 | Great | View |
| JulyRecommended | 28°C | 19°C | 10 | 12h | 65% | 9 | Great | View |
| AugustRecommended | 27°C | 18°C | 9 | 11h | 65% | 9 | Great | View |
| SeptemberRecommended | 23°C | 15°C | 8 | 9h | 65% | 6 | Great | View |
| OctoberRecommended | 16°C | 9°C | 10 | 8h | 65% | 6 | Great | View |
| November | 10°C | 3°C | 10 | 6h | 65% | 1 | Good | View |
| December | 5°C | -2°C | 11 | 6h | 65% | 1 | Good | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Seasonal Guide to Boston
Spring (March to May)
Avg: 13°C high, 4°C low
Spring in Boston brings gradually cool temperatures. Daytime highs reach around 13°C (55°F) while nights cool to 4°C (39°F). This is one of the wetter periods, so waterproof gear is recommended.
Summer (June to August)
Avg: 27°C high, 17°C low
Summer is the warmest season in Boston, with temperatures reaching 27°C (81°F). Comfortable warmth makes this a popular time for tourists, though accommodation prices tend to peak. Long daylight hours and abundant sunshine provide plenty of time to explore.
Fall (September to November)
Avg: 16°C high, 9°C low
Fall in Boston is one of the best times to visit. Temperatures settle around 16°C (61°F) during the day and 9°C (48°F) at night. Rainfall increases slightly, but comfortable temperatures make up for it. Fewer tourists mean better prices.
Winter (December to February)
Avg: 3°C high, -5°C low
Winter in Boston brings the coldest conditions of the year. Freezing temperatures and short daylight hours limit outdoor activities, but winter markets, indoor attractions, and cozy restaurants offer their own charm.
When to Avoid Boston
The least favorable time to visit Boston is January and February. During this period, you can expect freezing temperatures.
January
Challenges: freezing temperatures
February
Challenges: freezing temperatures
December
Challenges: freezing temperatures
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience. Consider your priorities when planning your trip.
What to Pack for Boston
Packing recommendations for visiting Boston during the best travel months (September, May, June), when temperatures range from 13°C to 22°C:
- +Light layers for warm days and cooler evenings
- +Comfortable walking shoes
- +Waterproof jacket and an umbrella (rain is frequent)
- +Waterproof shoes or boots
- +Sunscreen (SPF 30+), sunglasses, and a wide-brim hat
- +Reusable water bottle
- +Universal power adapter
Boston Year-Round Climate Overview
Boston has a continental climate (Koppen classification: Dfb). The warmest month is July with highs of 28°C, while the coldest month is January at just 2°C. Annual rainfall averages 1129mm across approximately 120 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 2 | 3 | 7 | 14 | 19 | 25 | 28 | 27 | 23 | 16 | 10 | 5 |
| Low °C | -6 | -6 | -2 | 4 | 10 | 15 | 19 | 18 | 15 | 9 | 3 | -2 |
| Rain Days | 10 | 9 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 10 | 10 | 11 |
| Rain mm | 93 | 83 | 116 | 101 | 80 | 88 | 74 | 86 | 90 | 108 | 94 | 116 |
| Sun h/day | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 11 | 9 | 8 | 6 | 6 |
| Humidity % | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| UV Index | 1 | 1 | 6 | 6 | 9 | 9 | 9 | 9 | 6 | 6 | 1 | 1 |
Compare Nearby Destinations
Considering alternatives to Boston? Compare the best travel months for nearby cities:
Frequently Asked Questions
What is the best month to visit Boston?+
The best time to visit Boston is September, May, June. During these months, temperatures average 22°C (72°F) with 10 hours of daily sunshine and only 10 rain days per month. These conditions offer the most comfortable weather for sightseeing and outdoor activities.
What is the worst time to visit Boston?+
The least ideal time to visit Boston is January and February. During this period, you can expect freezing temperatures. While Boston can still be visited during this time (often with fewer crowds and lower prices), the weather may limit outdoor activities.
Is Boston good to visit in summer?+
Summer in Boston (June to August) brings temperatures of 27°C (81°F) highs and 17°C (63°F) lows, with about 11 hours of sunshine and 10 rain days per month. This is generally a good time to visit.
What is the rainy season in Boston?+
Boston does not have a distinct rainy season. Rainfall is relatively evenly distributed throughout the year, averaging 10 rain days per month.
What should I pack for Boston?+
When visiting Boston during the best travel months (September, May, June), pack light layers for warm days and cooler evenings, comfortable walking shoes, and a light jacket. A waterproof jacket and umbrella are essential. Sunscreen and sunglasses are recommended, especially given the high UV index.
Is September a good time to visit Boston?+
Yes, September is one of the best months to visit Boston. Expect average highs of 23°C (73°F), 9 hours of daily sunshine, and only 8 rain days. The weather is ideal for exploring the city, visiting outdoor attractions, and enjoying local activities.
Detailed Monthly Weather for Boston
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
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