Federal Way weather by month
Average highs run from 48°F in January to 77°F in July, and January nights average 38°F. It gets 39 inches of rain and melted snow a year and 6 inches of snow. The most comfortable months are May to September.
Best time to visit Federal Way
For comfortable weather, go in May to September. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 48°F | 38°F | 5.8 in | 1.8 in | 13 | 0 | 7 | cool |
| February | 50°F | 38°F | 3.8 in | 2.2 in | 9 | 0 | 6 | cool |
| March | 54°F | 40°F | 4.2 in | 0.4 in | 11 | 0 | 2 | cool |
| April | 59°F | 43°F | 3.2 in | 0.0 in | 9 | 0 | 0 | cool |
| May | 66°F | 49°F | 1.9 in | 0.0 in | 6 | 0 | 0 | mild |
| June | 71°F | 53°F | 1.5 in | 0.0 in | 4 | 1 | 0 | mild |
| July | 77°F | 57°F | 0.6 in | 0.0 in | 2 | 2 | 0 | warm |
| August | 78°F | 57°F | 1.0 in | 0.0 in | 2 | 1 | 0 | warm |
| September | 72°F | 54°F | 1.6 in | 0.0 in | 4 | 0 | 0 | mild |
| October | 61°F | 47°F | 3.9 in | 0.0 in | 8 | 0 | 0 | cool |
| November | 52°F | 41°F | 6.3 in | 0.2 in | 13 | 0 | 3 | cool |
| December | 47°F | 37°F | 5.7 in | 1.7 in | 12 | 0 | 7 | cold |
| Year | 61°F avg | 46°F avg | 39.3 in | 6.3 in | 93 | 4 | 25 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Seattle Tacoma Intl. Airport, WA (USW00024233), 8.6 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Federal Way
The shortest day is December 21, with 8h 27m of daylight; the longest is June 21, with 15h 56m. The earliest sunset comes around December 6 (4:18 pm) and the latest around June 21 (9:09 pm). The sun sets after 8 pm on 132 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:51 am | 4:46 pm | 8h 54m |
| February | 7:14 am | 5:33 pm | 10h 19m |
| March | 7:22 am | 7:14 pm | 11h 53m |
| April | 6:20 am | 7:58 pm | 13h 38m |
| May | 5:32 am | 8:39 pm | 15h 06m |
| June | 5:12 am | 9:07 pm | 15h 55m |
| July | 5:28 am | 9:01 pm | 15h 33m |
| August | 6:06 am | 8:20 pm | 14h 14m |
| September | 6:47 am | 7:20 pm | 12h 33m |
| October | 7:28 am | 6:20 pm | 10h 53m |
| November | 7:14 am | 4:33 pm | 9h 19m |
| December | 7:50 am | 4:18 pm | 8h 29m |
Calculated for 2026 at the center of Federal Way with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Federal Way getting warmer?
The last 10 years averaged 1.7°F warmer than the 20th century. See the climate stripes for Federal Way.Frequently asked questions
What is the warmest month in Federal Way?
August is the warmest month, with an average high of 78°F and an average low of 57°F (NOAA 1991-2020 normals).
What is the coldest month in Federal Way?
December is the coldest, with average lows of 37°F and highs of 47°F.
What is the rainiest month in Federal Way?
November gets the most precipitation, 6.3 inches on average. July is the driest at 0.6 inches.
Does it snow in Federal Way?
Yes. Federal Way averages 6 inches of snow a year.
When is the best time to visit Federal Way?
For comfortable weather, May to September. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Federal Way?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Federal Way profile.
Compare the weather: Federal Way vs Auburn, Federal Way vs Kent, Federal Way vs Tacoma, Federal Way vs Renton.