The best times to visit Pioneer Square for ideal weather are

May 7th to October 21st

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 Pioneer Square

    Temperature

    Average temperatures in Pioneer Square 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 37th 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 Pioneer Square, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 81°F (27.2°C) with temperatures rarely dropping below 60°F (15.6°C) at night.

    Pioneer Square Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Pioneer Square 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.

    Pioneer Square Perceived Temperature (F)

    Key
    High
    Average
    Low

    Pioneer Square Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Pioneer Square 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)
    Jan48.442.236.8
    Feb51.544.338.3
    Mar55.146.940.3
    Apr59.750.243
    May6756.849
    Jun72.261.954.2
    Jul79.667.458.3
    Aug78.967.458.7
    Sep72.962.654.8
    Oct62.154.247.8
    Nov53.446.540.5
    Dec47.741.836.5

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan9.15.72.7
    Feb10.86.83.5
    Mar12.88.34.6
    Apr15.410.16.1
    May19.413.89.4
    Jun22.316.612.3
    Jul26.419.714.6
    Aug26.119.714.8
    Sep22.71712.7
    Oct16.712.38.8
    Nov11.98.14.7
    Dec8.75.42.5


     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Pioneer Square are July, August, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid July. For example, on the week of July 9th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 4 days of significant precipitation the week of December 17th.

    When can you find snow in Pioneer Square? 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.

    Chanceof Precipitation

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

    Key
    Days with precipitation

    Snow on the Ground

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

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan34%04.3
    Feb30%03.1
    Mar36%04.8
    Apr29%02.9
    May21%02.2
    Jun14%01.2
    Jul4%00.4
    Aug7%00.8
    Sep14%01.8
    Oct30%03.8
    Nov39%05.6
    Dec38%05.8

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan34010.9
    Feb3007.9
    Mar36012.2
    Apr2907.4
    May2105.6
    Jun1403
    Jul401
    Aug702
    Sep1404.6
    Oct3009.7
    Nov39014.2
    Dec38014.7

     

    Humidity and Wind

    Pioneer Square has some very humid months, with other comfortably humid months. The least humid month is July (50.1% relative humidity), and the most humid month is January (72.7%).

    Wind in Pioneer Square is usually calm. The windiest month is March, followed by April and December. March’s average wind speed of around 5.3 knots (6.1 MPH or 9.9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid March where average top sustained speeds reach 11.8 knots, which is considered a moderate breeze.

    Relative Humidity (%)

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

    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
    Jan4.5Light breeze10.1Gentle breeze
    Feb4.6Light breeze10.2Gentle breeze
    Mar5.3Light breeze11.1Gentle breeze
    Apr4.9Light breeze10.2Gentle breeze
    May4.3Light breeze9.1Gentle breeze
    Jun4.3Light breeze9.1Gentle breeze
    Jul3.9Barely noticeable8.6Gentle breeze
    Aug3.7Barely noticeable8.5Gentle breeze
    Sep3.7Barely noticeable8.5Gentle breeze
    Oct3.9Barely noticeable9.2Gentle breeze
    Nov4.5Light breeze10.4Gentle breeze
    Dec4.7Light breeze10.3Gentle breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan72.7%
    Feb66.7%
    Mar63.4%
    Apr57.8%
    May55%
    Jun53.4%
    Jul50.1%
    Aug52.1%
    Sep59.2%
    Oct68.6%
    Nov70.2%
    Dec70.4%

     

    Is it Safe to Travel to Pioneer Square?

    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 Pioneer Square, WA, US is July, followed by June and August. 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 Pioneer Square in November. 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 38 in November means 38% of the tourists vs. July.


    Overall Pioneer Square Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70.3°F (21.3°C) and 52.2°F (11.2°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 11 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 least precipitation with 1 to 4 days of precipitation per month. June – August is the busiest season for tourism in Pioneer Square, so lodging and other accommodations may cost more than usual.

    Fall (September through November)

    Fall daily highs range from 75.5°F (24.2°C) and 49.9°F (9.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 12 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 Pioneer Square to be enjoyable for warm weather travelers. The average high during this season is between 53.3°F (11.8°C) and 46.5°F (8.1°C). On average, it rains or snows a great amount: 8 to 12 times per month. These times of year are fairly slow with tourists.

     

    Best Times to Travelthe United States › Pioneer Square, WA, US


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