The best times to visit Nine Mile Falls 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.


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    Weather in Nine Mile Falls

    Temperature

    Average temperatures in Nine Mile Falls vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most 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 Nine Mile Falls, 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 87.8°F (31°C) with temperatures rarely dropping below 57.2°F (14°C) at night.

    Nine Mile Falls Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Nine Mile Falls 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.

    Nine Mile Falls Perceived Temperature (F)

    Key
    High
    Average
    Low

    Nine Mile Falls Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Nine Mile Falls 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)
    Jan33.527.522.6
    Feb38.831.626.1
    Mar48.938.630.7
    Apr56.444.434.4
    May67.554.542.4
    Jun74.160.948.9
    Jul85.87156
    Aug84.669.354.9
    Sep75.460.447.3
    Oct58.947.337.7
    Nov42.734.928.9
    Dec33.227.522.6

    Show Celsius

    MonthAvg. High (°C)Avg. Mean (°C)Avg. Low (°C)
    Jan0.8-2.5-5.2
    Feb3.8-0.2-3.3
    Mar9.43.7-0.7
    Apr13.66.91.3
    May19.712.55.8
    Jun23.416.19.4
    Jul29.921.713.3
    Aug29.220.712.7
    Sep24.115.88.5
    Oct14.98.53.2
    Nov5.91.6-1.7
    Dec0.7-2.5-5.2


     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nine Mile Falls are July, September, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late July. For example, on the week of July 23rd 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 2 days of significant precipitation the week of December 17th.

    When can you find snow in Nine Mile Falls? Weather stations report large amounts of snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Nine Mile Falls is often around around February 12th 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 Nine Mile Falls.

    Key
    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Nine Mile Falls (in).

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    MonthDaily Chance of RainAverage Snow Depth (in)Total Precipitation (in)
    Jan16%4.41.4
    Feb13%5.91
    Mar20%2.72.7
    Apr11%1.41
    May11%01.3
    Jun17%01.8
    Jul6%00.5
    Aug11%00.8
    Sep9%00.9
    Oct10%01.6
    Nov19%2.51.6
    Dec21%5.82.1

    Show Centimeters

    MonthDaily Chance of RainAverage Snow Depth (cm)Total Precipitation (cm)
    Jan1611.23.6
    Feb13152.5
    Mar206.96.9
    Apr113.62.5
    May1103.3
    Jun1704.6
    Jul601.3
    Aug1102
    Sep902.3
    Oct1004.1
    Nov196.44.1
    Dec2114.75.3

     

    Humidity and Wind

    Nine Mile Falls has some extremely humid months, and slightly dry months in the opposite season. The least humid month is August (31.5% relative humidity), and the most humid month is January (89.7%).

    Wind in Nine Mile Falls is usually calm. The windiest month is April, followed by March and May. April’s average wind speed of around 8.2 knots (9.5 MPH or 15.2 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 April 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 Nine Mile Falls.

    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
    Jan6.1Light breeze12.2Significant breeze
    Feb6.8Light breeze12.8Significant breeze
    Mar8Gentle breeze15.1Significant breeze
    Apr8.2Gentle breeze15.8Significant breeze
    May7.4Gentle breeze14.6Significant breeze
    Jun7Gentle breeze13.7Significant breeze
    Jul6.2Light breeze12.7Significant breeze
    Aug6.3Light breeze12.9Significant breeze
    Sep6.3Light breeze12.6Significant breeze
    Oct6.6Light breeze12.5Significant breeze
    Nov7Gentle breeze13.3Significant breeze
    Dec6.6Light breeze12.7Significant breeze

    Show Relative Humidity by Month

    MonthAvg. Relative Humidity
    Jan89.7%
    Feb81.5%
    Mar67.5%
    Apr53.6%
    May46.2%
    Jun47.5%
    Jul31.7%
    Aug31.5%
    Sep39.5%
    Oct61%
    Nov80.4%
    Dec88.4%

     

    Is it Safe to Travel to Nine Mile Falls?

    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 Nine Mile Falls, WA, US is July, followed by August and May. 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 Nine Mile Falls in September. 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 slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 36.1 in September means 36.1% of the tourists vs. July.


    Overall Nine Mile Falls Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 71.8°F (22.1°C) and 41.2°F (5.1°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 6 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 quite warm. These months see the least precipitation with 2 to 5 days of precipitation per month. June – August is the busiest season for tourism in Nine Mile Falls, so lodging and other accommodations may cost more than usual.

    Fall (September through November)

    Fall daily highs range from 79.7°F (26.5°C) and 36.5°F (2.5°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 3 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 far too cold this time of year in Nine Mile Falls to be enjoyable for warm weather travelers. The average high during this season is between 42.3°F (5.7°C) and 31.3°F (-0.4°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are fairly slow with tourists.

     

    Best Times to Travelthe United States › Nine Mile Falls, WA, US


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