The best times to visit Washington for ideal weather are

April 16th to June 10th

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


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    Weather in Washington

    Temperature

    Average temperatures in Washington vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 21st 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 Washington, 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 92.4°F (33.6°C) with temperatures rarely dropping below 72.6°F (22.6°C) at night.

    Washington Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Washington Temperatures (Celsius)

    Key
    High
    Average
    Low

    “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.

    Washington Perceived Temperature (F)

    Key
    High
    Average
    Low

    Washington Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Washington 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

    MonthAvg. High (°F)Avg. Mean (°F)Avg. Low (°F)
    Jan46.936.427.8
    Feb48.537.327.8
    Mar59.747.136.7
    Apr7157.846.6
    May79.86857.3
    Jun8876.967.2
    Jul91.380.871.5
    Aug89.378.669.8
    Sep83.572.563.3
    Oct72.160.751.4
    Nov60.449.340.1
    Dec51.942.334.3

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan8.32.4-2.3
    Feb9.22.9-2.3
    Mar15.48.42.6
    Apr21.714.38.1
    May26.62014.1
    Jun31.124.919.6
    Jul32.927.121.9
    Aug31.825.921
    Sep28.622.517.4
    Oct22.315.910.8
    Nov15.89.64.5
    Dec11.15.71.3


     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Washington are September, February, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid to late September. For example, on the week of September 17th 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 2 days of significant precipitation the week of December 24th.

    When can you find snow in Washington? Weather stations report a good amount of seasonal snow likely to be deepest around December, especially close to early February. The best time to ski (if at all) in Washington is often around around December 17th 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.

    Chanceof Precipitation

    The graph below shows the % chance of rainy and snowy days in Washington.

    Key
    Days with precipitation

    Snow on the Ground

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

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan18%1.82.5
    Feb18%4.62.3
    Mar23%2.53.5
    Apr24%03.4
    May24%04.4
    Jun24%05
    Jul19%03.7
    Aug23%03.1
    Sep17%03.5
    Oct20%04.9
    Nov18%02.3
    Dec27%4.84.2

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan184.66.4
    Feb1811.75.8
    Mar236.48.9
    Apr2408.6
    May24011.2
    Jun24012.7
    Jul1909.4
    Aug2307.9
    Sep1708.9
    Oct20012.4
    Nov1805.8
    Dec2712.210.7

     

    Humidity and Wind

    Washington has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is February (42.9% relative humidity), and the most humid month is October (56.4%).

    Wind in Washington is usually moderate. The windiest month is March, followed by February and April. March’s average wind speed of around 8.4 knots (9.6 MPH or 15.5 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 late February and early March where average top sustained speeds reach 17.2 knots, which is considered a fresh breeze.

    Relative Humidity (%)

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

    Key
    Avg. Relative Humidity

    Wind

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

    Key
    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.

    MonthAvg. WindAvg. Wind FeelSustained High WindHigh Wind Feel
    Jan7.6Gentle breeze14.4Significant breeze
    Feb8.2Gentle breeze16.1Significant breeze
    Mar8.4Gentle breeze15.9Significant breeze
    Apr7.9Gentle breeze15.6Significant breeze
    May7.1Gentle breeze14.2Significant breeze
    Jun6.9Light breeze14.8Significant breeze
    Jul6.4Light breeze13.9Significant breeze
    Aug6.1Light breeze12.7Significant breeze
    Sep6.4Light breeze12.4Significant breeze
    Oct6.9Light breeze13.3Significant breeze
    Nov7Gentle breeze13.2Significant breeze
    Dec7.1Gentle breeze13.8Significant breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan45.3%
    Feb42.9%
    Mar44%
    Apr45.9%
    May54.1%
    Jun53.4%
    Jul51.7%
    Aug53.8%
    Sep55.7%
    Oct56.4%
    Nov50.8%
    Dec54.5%

     

    Is it Safe to Travel to Washington?

    Our best data indicates this area is generally safe. As of Aug 21, 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 Aug 14, 2019.


     

    The Busiest and Least Crowded Months

    The busiest month for tourism in Washington, DC, US is March, followed by July 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 Washington 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

    Key
    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 very reliable. Displayed data is calculated relative to the peak, so a score of 57.1 in December means 57.1% of the tourists vs. March.


    Overall Washington Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderate. Highs range from 86.6°F (30.3°C) and 51.8°F (11°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 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 quite warm. These months see moderate precipitation with 6 to 7 days of precipitation per month. June – August is the second busiest season for tourism in Washington, so lodging and other accommodations may cost slightly more.

    Fall (September through November)

    Fall daily highs range from 88.2°F (31.2°C) and 55.7°F (13.2°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

    Winter (December through February)

    Weather is too cold this time of year in Washington to be enjoyable for warm weather travelers. The average high during this season is between 53.1°F (11.7°C) and 43.1°F (6.2°C). On average, it rains or snows a fair amount: 5 to 8 times per month. These times of year are fairly slow with tourists.

     

    Best Times to Travelthe United States › Washington, DC, US


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