Weather on December 9
Federal Way, WA
55 Years of Data
Avg High
46°F
Avg Low
35°F
Warmest
1975
54°F avg
Coldest
2009
23°F avg
About This Date
December 9th in Federal Way, WA typically brings chilly winter weather, with average highs around 46°F and lows near 35°F. Over 55 years of records, the warmest December 9th was in 1975 (54°F average), while the coldest was 2009 (23°F) — a 31°F range across recorded history. Precipitation has occurred on 67% of recorded December 9th dates, with snow falling 2% of the time. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Federal Way, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 47° | 51° | 1.35" | — |
| 2024 | 48° | 35° | 42° | 0.05" | — |
| 2023 | 41° | 35° | 38° | 1.98" | — |
| 2022 | 42° | 34° | 38° | 1.52" | — |
| 2021 | 45° | 36° | 40° | — | — |
| 2020 | 51° | 44° | 48° | 1.4" | — |
| 2019 | 48° | 39° | 44° | — | — |
| 2018 | 47° | 40° | 43° | 1.02" | — |
| 2017 | 47° | — | — | 0.05" | — |
| 2016 | 35° | 30° | 33° | 0.97" | — |
| 2015 | 54° | 43° | 48° | 2.49" | — |
| 2014 | 62° | 47° | 54° | 1.14" | — |
| 2013 | 31° | 17° | 24° | — | — |
| 2012 | 43° | 39° | 41° | 0.03" | — |
| 2011 | 39° | 26° | 33° | — | — |
| 2010 | 50° | 45° | 47° | 1.85" | — |
| 2009coldest | 32° | 14° | 23° | — | — |
| 2008 | 46° | 42° | 44° | 0.03" | — |
| 2007 | 37° | 26° | 32° | — | — |
| 2006 | 50° | 37° | 44° | 0.38" | — |
| 2005 | 45° | 27° | 36° | — | — |
| 2004 | 47° | 40° | 43° | 2.16" | — |
| 2003 | 47° | 32° | 39° | 0.03" | — |
| 2002 | 44° | 30° | 37° | 0.25" | — |
| 2001 | 44° | 37° | 41° | — | — |
| 2000 | 45° | 37° | 41° | 0.46" | — |
| 1999 | 49° | 41° | 45° | 0.66" | — |
| 1998 | 48° | 35° | 42° | — | — |
| 1997 | 45° | 32° | 38° | 0.05" | — |
| 1996 | 52° | 35° | 43° | 0.71" | — |
| 1995 | 37° | 31° | 34° | 1.17" | — |
| 1994 | 45° | 35° | 40° | 0.46" | — |
| 1993 | 58° | 43° | 50° | 1.73" | — |
| 1992 | 45° | 31° | 38° | 0.25" | — |
| 1991 | 51° | 39° | 45° | 0.79" | — |
| 1990 | 48° | 38° | 43° | 0.76" | — |
| 1989 | 50° | 39° | 45° | — | — |
| 1988 | 52° | 47° | 49° | — | — |
| 1987 | 55° | 39° | 47° | 3.71" | — |
| 1986 | 46° | 26° | 36° | — | — |
| 1985 | 41° | 26° | 34° | — | — |
| 1984 | 42° | 29° | 35° | 0.08" | — |
| 1983 | 47° | 37° | 42° | 1.52" | — |
| 1982 | 46° | 30° | 38° | — | — |
| 1981 | 50° | 39° | 45° | 0.58" | — |
| 1980 | 44° | 20° | 32° | — | — |
| 1979 | 56° | 43° | 49° | 0.2" | — |
| 1978 | 47° | 34° | 40° | 0.38" | — |
| 1977 | 37° | 27° | 32° | 0.08" | 0.3" |
| 1976 | 48° | 34° | 41° | — | — |
| 1975warmest | 60° | 48° | 54° | — | — |
| 1974 | 53° | 41° | 47° | 0.41" | — |
| 1973 | 42° | 27° | 34° | 0.05" | — |
| 1972 | 33° | 18° | 25° | — | — |
| 1971 | 51° | 38° | 44° | 1.5" | — |
55 years of data from KENT