Weather on December 30
Seattle, WA
55 Years of Data
About This Date
December 30th in Seattle, 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 30th was in 1980 (51°F average), while the coldest was 1978 (20°F) — a 31°F range across recorded history. Precipitation has occurred on 56% of recorded December 30th 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 30th 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 | 48° | 31° | 39° | — | — |
| 2024 | 47° | 38° | 42° | — | — |
| 2023 | 53° | 44° | 49° | — | — |
| 2022 | 53° | 42° | 48° | 0.61" | — |
| 2021 | 35° | 28° | 32° | 0.05" | — |
| 2020 | 49° | 40° | 44° | 1.22" | — |
| 2019 | 49° | 43° | 46° | 0.03" | — |
| 2018 | 47° | 38° | 42° | — | — |
| 2017 | 48° | 40° | 44° | 0.2" | — |
| 2016 | 57° | 31° | 44° | 0.15" | — |
| 2015 | 44° | 27° | 36° | — | — |
| 2014 | 40° | 28° | 34° | — | — |
| 2013 | 47° | 40° | 43° | 0.08" | — |
| 2012 | 43° | 33° | 38° | — | — |
| 2011 | 50° | 34° | 42° | 0.03" | — |
| 2010 | 39° | 26° | 33° | — | — |
| 2009 | 49° | 37° | 43° | — | — |
| 2008 | 44° | 33° | 39° | 0.28" | — |
| 2007 | 43° | 36° | 39° | — | — |
| 2006 | 43° | 28° | 36° | — | — |
| 2005 | 47° | 43° | 45° | 1.8" | — |
| 2004 | 44° | 35° | 40° | 0.05" | — |
| 2003 | 37° | 24° | 31° | 0.23" | — |
| 2002 | 48° | 38° | 43° | 0.56" | — |
| 2001 | 50° | 33° | 42° | 0.03" | — |
| 2000 | 52° | 40° | 46° | 0.05" | — |
| 1999 | 45° | 40° | 42° | 0.03" | — |
| 1998 | 52° | 44° | 48° | — | — |
| 1997 | 52° | 38° | 45° | — | — |
| 1996 | 49° | 37° | 43° | 1.63" | — |
| 1995 | 52° | 47° | 49° | 0.48" | — |
| 1994 | 47° | 30° | 38° | — | — |
| 1993 | 47° | 42° | 44° | 1.24" | — |
| 1992 | 37° | 31° | 34° | 0.18" | — |
| 1991 | 50° | 36° | 43° | 0.23" | — |
| 1990 | 39° | 23° | 31° | — | — |
| 1989 | 49° | 45° | 47° | — | — |
| 1988 | 50° | 42° | 46° | 1.22" | — |
| 1987 | 47° | 32° | 39° | — | — |
| 1986 | 51° | 39° | 45° | — | — |
| 1985 | 42° | 34° | 38° | — | — |
| 1984 | 35° | 30° | 33° | 0.46" | 0.5" |
| 1983 | 52° | 43° | 47° | 0.13" | — |
| 1982 | 43° | 27° | 35° | — | — |
| 1981 | 40° | 33° | 36° | 0.03" | — |
| 1980warmest | 54° | 49° | 51° | 1.93" | — |
| 1979 | 45° | 35° | 40° | 0.58" | — |
| 1978coldest | 24° | 15° | 20° | — | — |
| 1977 | 43° | 33° | 38° | 0.03" | — |
| 1976 | 52° | 34° | 43° | — | — |
| 1975 | 47° | 39° | 43° | 0.03" | — |
| 1974 | 46° | 33° | 40° | — | — |
| 1973 | 43° | 33° | 38° | 0.18" | — |
| 1972 | 47° | 41° | 44° | — | — |
| 1971 | 44° | 34° | 39° | 0.05" | — |
Seattle, WA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Seattle, WA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Seattle, WA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Seattle, WA
Seattle, WA has no months that meet our "pleasant" threshold — every season has tradeoffs.