Federal Way (WA) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Federal Way

Federal Way average temperature chart (Celsius) Federal Way average temperature chart (Fahrenheit)
Average monthly temperatures in Federal Way (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 9.9 11.8 14.5 18.3 21.7 24.4 24.4 21.1 15.7 10.2 7.2
°F 44.6 49.8 53.2 58.1 65 71 76 76 70.1 60.3 50.3 45

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Federal Way monthly rainfall chart (mm) Federal Way monthly rainfall chart (inches)
Average monthly rainfall in Federal Way (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 154 112 104 80 53 48 23 35 53 92 155 159
inches 6.1 4.4 4.1 3.1 2.1 1.9 0.9 1.4 2.1 3.6 6.1 6.3
Rainy days 18 15 16 13 10 8 5 6 9 12 17 19

Average annual rainfall in Federal Way: 993.6mm (391.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Federal Way

Federal Way average daily sunshine chart
Average daily sunshine Federal Way
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.6 4.3 6.2 7.5 8.9 9.8 11 9.9 8.1 5.2 2.7 2

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Federal Way average minimum / maximum temperatures (Celsius) Federal Way average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Federal Way (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.3 1.5 2 3.7 6.4 9.5 10.9 10.9 8.8 5.5 2.7 0.8
Max °C 7.2 10.1 12 14.8 18.6 22 24.8 24.8 21.5 16 10.4 7.4
Min °F 32.5 34.7 35.6 38.6 43.5 49 51.5 51.5 47.8 41.8 36.8 33.4
Max °F 38.7 42.4 44.6 48.6 54.5 60.3 64 64 59.2 51.3 43.7 39.4

Sea temperature

The graph below shows the average sea temperature.

Federal Way average sea temperature chart (Celsius) Federal Way average sea temperature chart (Fahrenheit)
Average sea temperature around Federal Way in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.1 8 8.3 9.1 10.5 12 13.1 13.4 12.8 11.2 9.7 8.6
°F 46.5 46.4 47 48.4 50.9 53.6 55.5 56.2 55.1 52.1 49.5 47.5

Wind speed

The graph below shows the average wind speed.

Federal Way average winspeed by month (km/h) Federal Way average winspeed by month (mph)
Average wind speed in Federal Way (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 14 14 13 13 13 12 12 12 14 14
mph 9 9 9 9 8 8 8 8 7 7 9 9

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Federal Way relative humidity averages
Average relative humidity in Federal Way
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 77% 74% 71% 68% 66% 64% 67% 72% 79% 81% 82%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Federal Way weather stats

Federal Way weather statistics
Hottest month: July 24.4°C 75.9°F
Driest month: July 23mm 0.9ins
Sunniest month: July 11hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 159mm 6.3ins
Warmest sea: August 13.4°C 56.1°F
Map showing location of Federal Way (47.32232, -122.31262) Federal Way map pin © Google

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