Weather on December 11
Seattle, WA
55 Years of Data
Avg High
48°F
Avg Low
38°F
Warmest
2014
54°F avg
Coldest
2009
29°F avg
About This Date
December 11th in Seattle, WA typically brings chilly winter weather, with average highs around 48°F and lows near 38°F. Over 55 years of records, the warmest December 11th was in 2014 (54°F average), while the coldest was 2009 (29°F) — a 25°F range across recorded history. Precipitation has occurred on 60% of recorded December 11th dates, with snow falling 2% of the time (heaviest snowfall: 4"). The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for December 11th in Seattle, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 47° | 52° | 1.07" | — |
| 2024 | 51° | 33° | 42° | — | — |
| 2023 | 48° | 45° | 46° | — | — |
| 2022 | 45° | 39° | 42° | — | — |
| 2021 | 49° | 37° | 43° | 1.14" | — |
| 2020 | 46° | 37° | 42° | — | — |
| 2019 | 50° | 43° | 46° | 0.2" | — |
| 2018 | 51° | 42° | 47° | 1.3" | — |
| 2017 | 50° | 26° | 38° | — | — |
| 2016 | 44° | 40° | 42° | 0.15" | — |
| 2015 | 53° | 42° | 48° | 0.03" | — |
| 2014warmest | 60° | 48° | 54° | 0.84" | — |
| 2013 | 42° | 28° | 35° | — | — |
| 2012 | 47° | 43° | 45° | 0.25" | — |
| 2011 | 42° | 37° | 40° | 0.13" | — |
| 2010 | 49° | 39° | 44° | 3.76" | — |
| 2009coldest | 39° | 18° | 29° | — | — |
| 2008 | 47° | 36° | 41° | — | — |
| 2007 | 41° | 32° | 37° | 0.05" | — |
| 2006 | 54° | 45° | 49° | 3.35" | — |
| 2005 | 40° | 27° | 33° | — | — |
| 2004 | 52° | 41° | 46° | 0.64" | — |
| 2003 | 48° | 41° | 45° | 0.79" | — |
| 2002 | 53° | 42° | 48° | 1.02" | — |
| 2001 | 47° | 32° | 39° | 0.13" | — |
| 2000 | 46° | 27° | 36° | — | — |
| 1999 | 52° | 47° | 49° | 0.03" | — |
| 1998 | 52° | 42° | 47° | 1.93" | — |
| 1997 | 47° | 35° | 41° | — | — |
| 1996 | 48° | 38° | 43° | 0.51" | — |
| 1995 | 55° | 45° | 50° | 1.63" | — |
| 1994 | 47° | 35° | 41° | 0.38" | — |
| 1993 | 49° | 42° | 45° | 1.55" | — |
| 1992 | 41° | 35° | 38° | — | — |
| 1991 | 46° | 42° | 44° | 0.18" | — |
| 1990 | 47° | 40° | 43° | 0.08" | — |
| 1989 | 43° | 33° | 38° | — | — |
| 1988 | 51° | 47° | 49° | 0.38" | — |
| 1987 | 45° | 35° | 40° | — | — |
| 1986 | 44° | 33° | 39° | 0.18" | — |
| 1985 | 41° | 29° | 35° | — | — |
| 1984 | 41° | 36° | 38° | 1.02" | — |
| 1983 | 48° | 40° | 44° | — | — |
| 1982 | 50° | 33° | 42° | — | — |
| 1981 | 47° | 35° | 41° | — | — |
| 1980 | 50° | 45° | 47° | 0.03" | — |
| 1979 | 46° | 31° | 38° | — | — |
| 1978 | 49° | 37° | 43° | 0.25" | — |
| 1977 | 50° | 46° | 48° | 1.65" | — |
| 1976 | 55° | 40° | 47° | — | — |
| 1975 | 40° | 36° | 38° | — | — |
| 1974 | 54° | 40° | 47° | — | — |
| 1973 | 54° | 43° | 48° | 1.7" | — |
| 1972 | 33° | 29° | 31° | 0.76" | 4" |
| 1971 | 40° | 35° | 37° | 0.2" | — |
55 years of data from SEATTLE URBAN SITE