Climate in Federal Way, WA

Federal Way, WA has a temperate marine climate, which brings warm, dry summers and cool, wet winters. In the summer months, temperatures typically range from the mid-50s to the mid-80s with some occasional spikes above 90 degrees in July and August. Winters are generally mild and rainy with temperatures averaging between the high 30s and low 50s. Rainfall is abundant throughout the year but is especially prevalent in fall and winter months. Overall, Federal Way enjoys a comfortable climate that allows for year-round recreation activities.

Federal Way, Washington gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Federal Way averages 5 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 151 sunny days per year in Federal Way. The US average is 205 sunny days.

Federal Way gets some kind of precipitation, on average, 158 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 76 degrees
Winter Low: the January low is 37
Rain: averages 41 inches of rain a year
Snow: averages 5 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Federal Way is 7.3 (10=best), which means it is more comfortable than most places in Washington.

August, July and September are the most pleasant months in Federal Way, while December and January are the least comfortable months.

August is the hottest month for Federal Way with an average high temperature of 76.1°, which ranks it as cooler than most places in Washington. In Federal Way, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Federal Way are August, July and September.

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In Federal Way, there are 2.1 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

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December has the coldest nighttime temperatures for Federal Way with an average of 35.3°. This is warmer than most places in Washington.

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In Federal Way, there are 27.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

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In Federal Way, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

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Humidity in Federal Way is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

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November is the wettest month in Federal Way with 6.8 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 40.6 inches in Federal Way means that it is about average compared to other places in Washington.

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November is the rainiest month in Federal Way with 19.4 days of rain, and August is the driest month with only 4.8 rainy days. There are 158.0 rainy days annually in Federal Way, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% chance of a rainy day.

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An annual snowfall of 5.0 inches in Federal Way means that it is about average compared to other places in Washington. December is the snowiest month in Federal Way with 1.3 inches of snow, and 5 months of the year have significant snowfall.

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