Weather on December 17
Seattle, WA
55 Years of Data
Avg High
47°F
Avg Low
37°F
Warmest
1994
51°F avg
Coldest
2016
28°F avg
About This Date
December 17th in Seattle, WA typically brings chilly winter weather, with average highs around 47°F and lows near 37°F. Over 55 years of records, the warmest December 17th was in 1994 (51°F average), while the coldest was 2016 (28°F) — a 23°F range across recorded history. Precipitation has occurred on 49% of recorded December 17th dates, with snow falling 2% of the time. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 17th in Seattle, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 43° | 48° | 0.41" | — |
| 2024 | 56° | 43° | 49° | 1.65" | — |
| 2023 | 49° | 31° | 40° | — | — |
| 2022 | 41° | 31° | 36° | — | — |
| 2021 | 45° | 33° | 39° | 0.1" | — |
| 2020 | 51° | 45° | 48° | 0.1" | — |
| 2019 | 49° | 33° | 41° | — | — |
| 2018 | 54° | 43° | 48° | 1.45" | — |
| 2017 | 52° | 43° | 47° | 0.03" | — |
| 2016coldest | 35° | 21° | 28° | — | — |
| 2015 | 47° | 39° | 43° | 2.08" | — |
| 2014 | 52° | 43° | 47° | 0.41" | — |
| 2013 | 48° | 40° | 44° | — | — |
| 2012 | 48° | 37° | 43° | 0.25" | — |
| 2011 | 51° | 30° | 41° | — | — |
| 2010 | 51° | 38° | 44° | — | — |
| 2009 | 52° | 42° | 47° | 0.03" | — |
| 2008 | 38° | 30° | 34° | — | — |
| 2007 | 44° | 38° | 41° | 0.56" | — |
| 2006 | 40° | 26° | 33° | — | — |
| 2005 | 46° | 25° | 35° | — | — |
| 2004 | 46° | 43° | 44° | — | — |
| 2003 | 53° | 34° | 43° | — | — |
| 2002 | 44° | 40° | 42° | 0.76" | — |
| 2001 | 47° | 35° | 41° | — | — |
| 2000 | 50° | 33° | 42° | — | — |
| 1999 | 54° | 38° | 46° | 1.04" | — |
| 1998 | 50° | 40° | 45° | 0.46" | — |
| 1997 | 48° | 41° | 45° | 0.81" | — |
| 1996 | 46° | 30° | 38° | — | — |
| 1995 | 48° | 40° | 44° | 1.4" | — |
| 1994warmest | 57° | 45° | 51° | 3.2" | — |
| 1993 | 48° | 30° | 39° | — | — |
| 1992 | 40° | 33° | 36° | 0.41" | — |
| 1991 | 43° | 33° | 38° | — | — |
| 1990 | 51° | 41° | 46° | — | — |
| 1989 | 40° | 36° | 38° | — | — |
| 1988 | 40° | 31° | 35° | — | — |
| 1987 | 41° | 29° | 35° | — | — |
| 1986 | 51° | 33° | 42° | — | — |
| 1985 | 45° | 34° | 39° | — | — |
| 1984 | 36° | 28° | 32° | 0.2" | 0.4" |
| 1983 | 43° | 30° | 36° | — | — |
| 1982 | 48° | 43° | 45° | 1.24" | — |
| 1981 | 49° | 33° | 41° | 0.28" | — |
| 1980 | 48° | 45° | 46° | 0.03" | — |
| 1979 | 54° | 43° | 48° | 4.6" | — |
| 1978 | 47° | 40° | 43° | — | — |
| 1977 | 43° | 39° | 41° | 0.28" | — |
| 1976 | 52° | 46° | 49° | 0.23" | — |
| 1975 | 41° | 32° | 37° | — | — |
| 1974 | 48° | 42° | 45° | — | — |
| 1973 | 49° | 43° | 46° | 0.91" | — |
| 1972 | 50° | 43° | 46° | 1.65" | — |
| 1971 | 49° | 38° | 43° | — | — |
55 years of data from SEATTLE URBAN SITE