The best times to visit Arlington for ideal weather are

May 14th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Arlington Travel Info

Weather in Arlington


Average temperatures in Arlington vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 24th 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 Arlington, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 86.6°F (30.3°C) with temperatures rarely dropping below 62.8°F (17.1°C) at night.

Arlington Temperatures (Fahrenheit)


Arlington Temperatures (Celsius)


“Feels-Like” Temperatures

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.

Arlington Perceived Temperature (F)


Arlington Perceived Temperature (C)



Average Arlington 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 36 26.5 17.2
Feb 37 27.1 17.3
Mar 47.1 36.3 26.7
Apr 60.3 48.2 37.1
May 71.6 59 47.2
Jun 78 66.1 55.1
Jul 84.8 72.8 61.7
Aug 82.6 70.4 59.2
Sep 75.7 63.2 51.8
Oct 63.5 51.8 41.3
Nov 52.5 41.6 31.9
Dec 42.2 33 24.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 2.2 -3.1 -8.2
Feb 2.8 -2.7 -8.2
Mar 8.4 2.4 -2.9
Apr 15.7 9 2.8
May 22 15 8.4
Jun 25.6 18.9 12.8
Jul 29.3 22.7 16.5
Aug 28.1 21.3 15.1
Sep 24.3 17.3 11
Oct 17.5 11 5.2
Nov 11.4 5.3 -0.1
Dec 5.7 0.6 -4.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Arlington are January, February, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late August to early September. For example, on the week of August 27th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late December with an average of 3 days of significant precipitation the week of December 24th.

When can you find snow in Arlington? Weather stations report no annual snow. 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 Arlington.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Arlington (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 19% 0 2.4
Feb 19% 0 3
Mar 22% 0 4.5
Apr 23% 0 3.7
May 24% 0 3.1
Jun 29% 0 4.8
Jul 24% 0 4
Aug 20% 0 3.7
Sep 20% 0 3.4
Oct 25% 0 4.3
Nov 22% 0 3.3
Dec 29% 0 4.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 0 6.1
Feb 19 0 7.6
Mar 22 0 11.4
Apr 23 0 9.4
May 24 0 7.9
Jun 29 0 12.2
Jul 24 0 10.2
Aug 20 0 9.4
Sep 20 0 8.6
Oct 25 0 10.9
Nov 22 0 8.4
Dec 29 0 12.4


Humidity and Wind

Arlington has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is March (49.3% relative humidity), and the most humid month is September (66.6%).

Wind in Arlington is usually calm. The windiest month is March, followed by April and February. March’s average wind speed of around 7.3 knots (8.4 MPH or 13.6 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 April where average top sustained speeds reach 15.8 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Arlington.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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 6.4 Light breeze 13.6 Significant breeze
Feb 6.9 Light breeze 14.2 Significant breeze
Mar 7.3 Gentle breeze 14.5 Significant breeze
Apr 7.2 Gentle breeze 15.2 Significant breeze
May 6.1 Light breeze 13.1 Significant breeze
Jun 5.4 Light breeze 12 Significant breeze
Jul 5 Light breeze 11.5 Significant breeze
Aug 4.6 Light breeze 11 Significant breeze
Sep 4.7 Light breeze 11.1 Significant breeze
Oct 5.3 Light breeze 12.3 Significant breeze
Nov 5.7 Light breeze 12.2 Significant breeze
Dec 6.1 Light breeze 12.7 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 54.7%
Feb 51.3%
Mar 49.3%
Apr 49.4%
May 57%
Jun 64.6%
Jul 63.7%
Aug 64%
Sep 66.6%
Oct 66.5%
Nov 59.7%
Dec 63.6%


Is it Safe to Travel to Arlington?

Our best data indicates this area is generally safe. As of Oct 07, 2019 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. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Arlington, MA, US 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 Arlington 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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 51.6 in December means 51.6% of the tourists vs. July.



Overall Arlington Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 76.5°F (24.7°C) and 38.4°F (3.6°C) with far warmer temperatures in the later months. Rain is somewhat common with roughly 7 days of significant precipitation per month. Spring is the second busiest 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. These months see the most precipitation with 6 to 9 days of precipitation per month. June – August is the busiest season for tourism in Arlington, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 80.7°F (27.1°C) and 47.4°F (8.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Arlington to be enjoyable for warm weather travelers. The average high during this season is between 44.3°F (6.8°C) and 32.4°F (0.2°C). On average, it rains or snows a fair amount: 5 to 9 times per month. These times of year are the slowest with tourists.


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