Ideal weather days in Boston
The best time to visit Boston for warm, dry weather is June to October, with 17 to 21 such days a month.
How many days here suit you?
Set your ideal day. Each day measured at Boston's weather station in 2023–2025 is checked against it.
They're most common in June to October.
This station doesn't record cloud cover, so the sky setting is left out here.
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Your ideal days in Boston, month by month
Why the other days don't count
- Too cold183
- Too wet102
- Too windy82
- Too hot12
A day can fail more than one test.
Warm and dry, beach and mild days
With the Warm & dry preset (a high of 18–33 °C, no more than 1 mm of rain, wind under 20 km/h), Boston averaged 116 days a year in 2023–2025. Every number here is counted from real measured days in the United States, not from climate averages.
Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in July and August (up to 10 a month, 41 a year). Mild, still days (16–26 °C, light wind) are most common in October (up to 6 a month, 23 a year).
What spoils the other days
Most of the days that don't count are too cold (a high under 18 °C): 183 a year, mostly in November to April. Another 102 are wet (more than 1 mm of rain), mostly in March to September and November to January. A day can fail more than one test.
Boston weather, month by month
| Month | Typical high | Rain days | Windy days | Clear days | Warm & dry days |
|---|---|---|---|---|---|
| January | 5 °C 41 °F | 12 | 12 | 5 | 0 of 31 |
| February | 6 °C 42 °F | 8 | 10 | 5 | 0 of 28 |
| March | 11 °C 51 °F | 12 | 16 | 7 | 0 of 31 |
| April | 16 °C 60 °F | 11 | 9 | 8 | 7 of 30 |
| May | 23 °C 73 °F | 12 | 5 | 7 | 14 of 31 |
| June | 27 °C 80 °F | 10 | 3 | 4 | 17 of 30 |
| July | 31 °C 87 °F | 9 | 3 | 3 | 17 of 31 |
| August | 28 °C 82 °F | 9 | 3 | 6 | 20 of 31 |
| September | 25 °C 76 °F | 8 | 5 | 10 | 21 of 30 |
| October | 20 °C 67 °F | 6 | 3 | 8 | 19 of 31 |
| November | 13 °C 55 °F | 8 | 9 | 8 | 2 of 30 |
| December | 8 °C 46 °F | 11 | 7 | 7 | 0 of 31 |
| Year | 115 | 82 | 75 | 116 of 365 |
Typical high is the median daily maximum. A rain day has 1 mm or more; a windy day a mean wind above 20 km/h; a clear day a daytime cloud cover of 2/8 or less on average (9:00–17:00). Days are averaged over 2023–2025 and scaled to the length of each month.
Year by year
- 2023 116 warm, dry days
- 2024 119 warm, dry days
- 2025 incomplete (8 of 12 months)
Questions
When is the best time to visit Boston for good weather?
The best time to visit Boston for warm, dry weather is June to October, with 17 to 21 such days a month. Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in July and August (up to 10 a month, 41 a year). Counted from measured days at Boston Logan International Airport station, 2023–2025.
Does it rain a lot in Boston?
On average 115 days a year had 1 mm of rain or more in 2023–2025. The wettest month was January (12 rain days), the driest October (6).
How many sunny days does Boston get a year?
About 75 days a year had mostly clear skies (daytime cloud cover of 2/8 or less on average, 9:00–17:00), most of them in September (10).
How warm does Boston get?
The median daily high ranged from 5 °C (41 °F) in January to 31 °C (87 °F) in July.
Nearby
- New York310 km129 days
- Montréal400 km, Canada111 days
- Ottawa500 km, Canada113 days
- Halifax660 km, Canada98 days
- St. John's1560 km, Canada34 days
More cities in the United States
- San Diego 317 days
- Tijuana 311 days
- Los Angeles 296 days
- Honolulu 224 days
- Orlando 203 days
- Tampa 194 days
- Miami 181 days
- Charlotte 177 days
- Sacramento 169 days
- Atlanta 168 days
- Phoenix 166 days
- San Francisco 162 days
- San Antonio 157 days
- Denver 151 days
- Nashville 150 days
- New Orleans 144 days
- St. Louis 143 days
- Seattle 142 days
- Houston 141 days
- Kansas City 135 days
- Austin 134 days
- Albuquerque 132 days
- Detroit 131 days
- Dallas 129 days
- Las Vegas 126 days
- Chicago 120 days
- Minneapolis 120 days
- Boise 117 days
- Billings 116 days
- Salt Lake City 107 days
- Fairbanks 81 days
- Anchorage 55 days
- Juneau 45 days
Where is the best climate in the United States?
Open Boston on the map Set your own temperature, rain and wind limits.
Source: Boston Logan International Airport weather station (72509014739), 4 km from the centre of Boston, 3 m above sea level. Daily records from NOAA's Global Surface Summary of the Day, 2023–2025; 89% of days have a complete record. A single station may not represent every part of a city, and three years is a short record.