The best times to visit Boston for ideal weather are
June 4th to September 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
Other Boston Travel Info
Weather in Boston
Average temperatures in Boston vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 28th percentile for pleasant weather — compared to tourist destinations worldwide. 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 August where highs are regularly around 73.1°F (22.8°C) with temperatures rarely dropping below 53.3°F (11.8°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)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Boston are April, March, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid April. For example, on the week of April 16th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early July with an average of 2 days of significant precipitation the week of July 2nd.
When can you find snow in Boston? Weather stations report a good amount of seasonal snow likely to be deepest around December, especially close to late November to early December. The best time to ski (if at all) in Boston is often around around November 26th when fresh powder is deepest. 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 some extremely humid months, and above average humidity throughout the year. The least humid month is May (64% relative humidity), and the most humid month is November (82.9%).
Wind in Boston is usually moderate. The windiest month is January, followed by December and March. January’s average wind speed of around 10 knots (11.6 MPH or 18.6 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 16.9 knots, which is considered a moderate breeze.
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. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||10||Gentle breeze||16||Significant breeze|
|Feb||9.3||Gentle breeze||14.7||Significant breeze|
|Mar||9.5||Gentle breeze||15.5||Significant breeze|
|Apr||8.9||Gentle breeze||14.6||Significant breeze|
|May||9.3||Gentle breeze||15.1||Significant breeze|
|Jun||8||Gentle breeze||13.4||Significant breeze|
|Jul||8||Gentle breeze||13.5||Significant breeze|
|Aug||8.3||Gentle breeze||13.9||Significant breeze|
|Sep||8.1||Gentle breeze||13.5||Significant breeze|
|Oct||8.4||Gentle breeze||13.7||Significant breeze|
|Nov||9.1||Gentle breeze||14.6||Significant breeze|
|Dec||9.8||Gentle breeze||15.6||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Boston?
Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for the United Kingdom; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 06, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Boston, the United Kingdom is November, followed by September 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 moderately cold. Highs range from 64.5°F (18.1°C) and 48.9°F (9.4°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 6 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with about 7 days of precipitation per month. June – August is the second busiest season for tourism in Boston, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 68.4°F (20.2°C) and 46.6°F (8.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Winter (December through February)
Weather is too cold this time of year in Boston to be enjoyable for warm weather travelers. The average high during this season is between 48.9°F (9.4°C) and 43.3°F (6.3°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are the slowest with tourists.