Weather on December 27
Seattle, WA
55 Years of Data
Avg High
46°F
Avg Low
36°F
Warmest
1980
54°F avg
Coldest
2021
21°F avg
About This Date
December 27th in Seattle, WA typically brings chilly winter weather, with average highs around 46°F and lows near 36°F. Over 55 years of records, the warmest December 27th was in 1980 (54°F average), while the coldest was 2021 (21°F) — a 33°F range across recorded history. Precipitation has occurred on 60% of recorded December 27th dates, with snow falling 5% of the time (heaviest snowfall: 3"). The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for December 27th in Seattle, WA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 34° | 39° | — | — |
| 2024 | 49° | 43° | 46° | 0.36" | — |
| 2023 | 55° | 45° | 50° | 0.05" | — |
| 2022 | 55° | 45° | 50° | 0.97" | — |
| 2021coldest | 24° | 17° | 21° | — | — |
| 2020 | 47° | 33° | 40° | 0.13" | — |
| 2019 | 44° | 37° | 41° | — | — |
| 2018 | 47° | 39° | 43° | 0.13" | — |
| 2017 | 40° | 33° | 36° | — | — |
| 2016 | 47° | 41° | 44° | — | — |
| 2015 | 42° | 37° | 40° | 0.81" | — |
| 2014 | 52° | 42° | 47° | 0.3" | — |
| 2013 | 48° | 33° | 41° | 0.08" | — |
| 2012 | 47° | 39° | 43° | 0.69" | — |
| 2011 | 52° | 40° | 46° | 1.91" | — |
| 2010 | 47° | 39° | 43° | 1.17" | — |
| 2009 | 47° | 27° | 37° | — | — |
| 2008 | 46° | 35° | 41° | 0.13" | — |
| 2007 | 39° | 35° | 37° | 1.02" | — |
| 2006 | 43° | 32° | 37° | 0.76" | — |
| 2005 | 54° | 44° | 49° | 1.24" | — |
| 2004 | 49° | 37° | 43° | — | — |
| 2003 | 43° | 33° | 38° | 0.94" | — |
| 2002 | 54° | 38° | 46° | 0.79" | — |
| 2001 | 51° | 40° | 45° | 0.2" | — |
| 2000 | 50° | 41° | 46° | — | — |
| 1999 | 40° | 32° | 36° | — | — |
| 1998 | 54° | 40° | 47° | 2.29" | — |
| 1997 | 47° | 39° | 43° | 0.23" | — |
| 1996 | 34° | 26° | 30° | 1.02" | 3" |
| 1995 | 48° | 35° | 42° | 0.03" | — |
| 1994 | 58° | 48° | 53° | 2.06" | — |
| 1993 | 42° | 31° | 36° | — | — |
| 1992 | 44° | 34° | 39° | 0.43" | — |
| 1991 | 52° | 37° | 44° | 0.15" | — |
| 1990 | 45° | 33° | 39° | 0.33" | 0.3" |
| 1989 | 43° | 35° | 39° | 0.46" | — |
| 1988 | 42° | 30° | 36° | — | — |
| 1987 | 42° | 29° | 35° | — | — |
| 1986 | 51° | 42° | 47° | — | — |
| 1985 | 38° | 31° | 34° | — | — |
| 1984 | 40° | 33° | 36° | 0.23" | — |
| 1983 | 43° | 29° | 36° | — | — |
| 1982 | 43° | 31° | 37° | — | — |
| 1981 | 42° | 37° | 40° | — | — |
| 1980warmest | 56° | 52° | 54° | 0.25" | — |
| 1979 | 50° | 34° | 42° | — | — |
| 1978 | 41° | 29° | 35° | 0.05" | — |
| 1977 | 50° | 31° | 40° | — | — |
| 1976 | 52° | 38° | 45° | — | — |
| 1975 | 49° | 41° | 45° | — | — |
| 1974 | 39° | 33° | 36° | 1.27" | 2" |
| 1973 | 46° | 35° | 41° | 1.55" | — |
| 1972 | 49° | 40° | 44° | 1.17" | — |
| 1971 | 36° | 28° | 32° | — | — |
55 years of data from SEATTLE URBAN SITE