The best times to visit Boston for ideal weather are
March 5th to June 17th
September 10th to December 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Boston Travel Guide
Weather in Boston
Average temperatures in Boston vary greatly and are temperate for about half of the year. The area is in the top 48 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Boston, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 85°F (29.4°C) with temperatures rarely dropping below 70.7°F (21.5°C) at night.
Boston Temperatures (Fahrenheit)
Boston Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Boston Perceived Temperature (F)
Boston Perceived Temperature (C)
Average Boston Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Boston.
Snow on the Ground
The graph below shows the average snow on the ground in Boston (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Boston has unknown humidity (due to reporting from weather stations of 0%).
Wind in Boston is usually one of the few places that does not report on wind..
Relative Humidity (%)
The graph below shows the average % humidity by month in Boston.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Boston?
As of 6/22/2017 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
The Busiest and Least Crowded Months
The busiest month for tourism in Boston, MA (USA) is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Boston in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Boston Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 73.5°F (23.1°C) and 38.2°F (3.4°C) with warmer temperatures in the later months. Spring is busy for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. June – August is the busiest season for tourism in Boston, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 79.1°F (26.2°C) and 48.6°F (9.2°C), which will feel very nice given the humidity and wind. Tourism is fairly slow during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is somewhat cold this time of year in Boston to be enjoyable for warm weather travelers. The average high during this season is between 47.1°F (8.4°C) and 32.1°F (0.1°C). These times of year are the slowest with tourists.