Federal Way, Washington, United States Climate

Weather: 16.06°C/60.91°F, Wind SW at 3.09 km/h, 55% Humidity, 0% Chance of rain

United States
(Photo by Jason Schuller on Unsplash)
Contents

Federal Way Climate Summary

Located at an elevation of 141.04 meters (462.73 feet) above sea level, Federal Way has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 12.45ºC (54.41ºF) and it is -0.19% lower than United States’s averages. Federal Way typically receives about 150.21 millimeters (5.91 inches) of precipitation and has 171.73 rainy days (47.05% of the time) annually.

CountryUnited States
CityWashington
Longitude-122.3126222
Latitude47.3223221
Attitude/Elevation141.04m (462.73ft)
Local timeFriday 20:13
Annual high temperature15.64ºC (60.15ºF)
Annual low temperature6.65ºC (43.97ºF)
Average annual precip.150.21mm (5.91in)
Warmest monthAugust (26.54ºC / 79.77ºF)
Coldest MonthFebruary (1.84ºC / 35.31ºF)
Wettest MonthJanuary (249.0mm / 9.8in)
Driest MonthJuly (26.03mm / 1.02in)
Number of days with rainfall (≥ 1.0 mm)171.73 days (47.05%)
Days with no rain193.27 days (52.95%)
Humidity78.16%

Climate Federal Way: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)16.0(60.8)18.0(64.4)27.0(80.6)30.0(86.0)31.0(87.8)35.0(95.0)37.0(98.6)38.0(100.4)37.0(98.6)30.0(86.0)21.0(69.8)15.0(59.0)38.0(100.4)
Average high °C (°F)7.57(45.63)7.99(46.38)10.8(51.44)13.67(56.61)18.79(65.82)21.17(70.11)26.09(78.96)26.54(79.77)22.48(72.46)16.02(60.84)9.82(49.68)6.69(44.04)15.64(60.15)
Daily mean °C (°F)5.24(41.43)5.47(41.85)7.78(46.0)10.54(50.97)15.5(59.9)17.98(64.36)22.08(71.74)22.13(71.83)18.2(64.76)12.67(54.81)7.41(45.34)4.45(40.01)12.45(54.41)
Average low °C (°F)2.28(36.1)1.84(35.31)3.22(37.8)4.73(40.51)7.49(45.48)9.31(48.76)12.23(54.01)13.24(55.83)11.43(52.57)7.9(46.22)4.24(39.63)1.88(35.38)6.65(43.97)
Record low °C (°F)-8.0(17.6)-11.0(12.2)-3.0(26.6)-4.0(24.8)-2.0(28.4)2.0(35.6)4.0(39.2)5.0(41.0)4.0(39.2)0.0(0)-12.0(10.4)-9.0(15.8)-12.0(10.4)
Average precipitation mm (inches)249.0(9.8)187.24(7.37)211.48(8.33)151.74(5.97)97.4(3.83)73.74(2.9)26.03(1.02)38.28(1.51)98.43(3.88)198.43(7.81)236.81(9.32)233.98(9.21)150.21(5.91)
Average precipitation days (≥ 1.0 mm)18.8216.8219.9117.3613.5512.05.275.4511.5514.9118.7317.3614.31
Average relative humidity (%)84.884.8582.3179.4274.6873.5968.769.273.6178.3483.1585.2578.16
Mean monthly sunshine hours6.286.49.3911.9413.1313.3313.8113.5311.367.326.456.159.92

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Federal Way in recent years.

Federal Way

Federal Way Temperature by Month

August
22.13°C | 71.83°F
July
22.08°C | 71.74°F
September
18.2°C | 64.76°F
June
17.98°C | 64.36°F
May
15.5°C | 59.9°F
October
12.67°C | 54.81°F
April
10.54°C | 50.97°F
March
7.78°C | 46.0°F
November
7.41°C | 45.34°F
February
5.47°C | 41.85°F
January
5.24°C | 41.43°F
December
4.45°C | 40.01°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature38.0°C (100.4°F)30.0°C (86.0°F)20.0°C (68.0°F)
Avg Temperature33.0°C (91.4°F)25.16°C (77.29°F)18.0°C (64.4°F)
Min Temperature22.0°C (71.6°F)16.0°C (60.8°F)11.0°C (51.8°F)
Dew PointMaxAverageMin
Dew Point18.0°C (64.4°F)14.16°C (57.49°F)10.0°C (50.0°F)
PrecipitationMaxAverageMinSum
Precipitation5.3mm | 0.21in0.34mm | 0.01in0.0mm | 0in10.6mm | 0.42in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind7.0kmh | 4.35mph4.55kmh | 2.83mph3.0kmh | 1.86mph
Gust Wind9.0kmh | 5.59mph6.0kmh | 3.73mph4.0kmh | 2.49mph
Sea Level PressureMaxAverageMin
Sea Level Pressure5.3mb0.34mb0.0mb
Federal Way

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2017-08-0128 | 82.415 | 59.0586 | 3.7330.12 | 10200.0 | 0.0
2017-08-0229 | 84.216 | 60.8547 | 4.3530.03 | 10170.0 | 0.0
2017-08-0333 | 91.416 | 60.8495 | 3.1129.94 | 10140.0 | 0.0
2017-08-0432 | 89.617 | 62.6545 | 3.1129.88 | 10120.0 | 0.0
2017-08-0528 | 82.417 | 62.6664 | 2.4929.91 | 10130.0 | 0.0
2017-08-0627 | 80.616 | 60.8653 | 1.8629.94 | 10140.0 | 0.0
2017-08-0729 | 84.216 | 60.8624 | 2.4929.97 | 10150.0 | 0.0
2017-08-0830 | 86.016 | 60.8583 | 1.8629.97 | 10150.0 | 0.0
2017-08-0930 | 86.018 | 64.4603 | 1.8629.94 | 10140.0 | 0.0
2017-08-1031 | 87.818 | 64.4603 | 1.8629.94 | 10140.0 | 0.0
2017-08-1126 | 78.815 | 59.0644 | 2.4929.91 | 10130.2 | 0.01
2017-08-1220 | 68.013 | 55.4747 | 4.3529.91 | 10131.2 | 0.05
2017-08-1318 | 64.413 | 55.4836 | 3.7329.97 | 10155.3 | 0.21
2017-08-1420 | 68.011 | 51.8694 | 2.4929.94 | 10140.0 | 0.0
2017-08-1522 | 71.610 | 50.0624 | 2.4929.94 | 10140.0 | 0.0
2017-08-1623 | 73.412 | 53.6654 | 2.4930.06 | 10180.1 | 0.0
2017-08-1723 | 73.415 | 59.0733 | 1.8630.12 | 10200.8 | 0.03
2017-08-1822 | 71.613 | 55.4723 | 1.8630.12 | 10200.1 | 0.0
2017-08-1922 | 71.612 | 53.6684 | 2.4930.15 | 10211.0 | 0.04
2017-08-2022 | 71.611 | 51.8625 | 3.1130.12 | 10200.0 | 0.0
2017-08-2124 | 75.214 | 57.2676 | 3.7330.06 | 10180.0 | 0.0
2017-08-2227 | 80.615 | 59.0624 | 2.4930.0 | 10160.0 | 0.0
2017-08-2322 | 71.614 | 57.2754 | 2.4930.0 | 10160.2 | 0.01
2017-08-2419 | 66.210 | 50.0684 | 2.4930.03 | 10170.5 | 0.02
2017-08-2521 | 69.810 | 50.0635 | 3.1130.06 | 10180.0 | 0.0
2017-08-2624 | 75.212 | 53.6616 | 3.7330.12 | 10200.0 | 0.0
2017-08-2727 | 80.614 | 57.2596 | 3.7330.06 | 10180.0 | 0.0
2017-08-2830 | 86.015 | 59.0544 | 2.4929.91 | 10130.0 | 0.0
2017-08-2928 | 82.415 | 59.0556 | 3.7329.88 | 10120.0 | 0.0
2017-08-3021 | 69.814 | 57.2765 | 3.1129.97 | 10150.2 | 0.01
2017-08-3122 | 71.616 | 60.8794 | 2.4930.09 | 10191.0 | 0.04

Federal Way 11 Year Historical Weather Data

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