Weather on December 9 at North Cascades
North Cascades National Park
Based on 55 years of data from Seattle, WA
Elevation Note: North Cascades sits at 4,200 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.
Planning Your Visit
December 9th in North Cascades National Park (via Seattle, WA) typically brings chilly winter weather, with average highs around 47°F and lows near 36°F. Over 55 years of records, the warmest December 9th was in 2014 (56°F average), while the coldest was 2009 (26°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 62% of December 9th dates historically, with the wettest December 9th recording 3.66" of rain. 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 9th in North Cascades? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 54°F | 48°F | 0.36" | -- |
| 2024 | 51°F | 38°F | 0" | -- |
| 2023 | 41°F | 34°F | 0.48" | -- |
| 2022 | 44°F | 35°F | 0.97" | -- |
| 2021 | 44°F | 34°F | 0" | -- |
| 2020 | 50°F | 39°F | 0" | -- |
| 2019 | 48°F | 42°F | 0" | -- |
| 2018 | 49°F | 41°F | 1.35" | -- |
| 2017 | 44°F | 29°F | 0" | -- |
| 2016 | 36°F | 31°F | 0.74" | -- |
| 2015 | 58°F | 46°F | 1.4" | -- |
| 2014 | 63°F | 50°F | 1.09" | -- |
| 2013 | 35°F | 21°F | 0" | -- |
| 2012 | 45°F | 37°F | 0.15" | -- |
| 2011 | 42°F | 28°F | 0" | -- |
| 2010 | 52°F | 46°F | 2.51" | -- |
| 2009 | 35°F | 16°F | 0" | -- |
| 2008 | 48°F | 43°F | 0.25" | -- |
| 2007 | 38°F | 26°F | 0" | -- |
| 2006 | 52°F | 37°F | 0.46" | -- |
| 2005 | 48°F | 29°F | 0" | -- |
| 2004 | 50°F | 39°F | 1.7" | -- |
| 2003 | 49°F | 32°F | 0" | -- |
| 2002 | 49°F | 32°F | 0.28" | -- |
| 2001 | 45°F | 35°F | 0.15" | -- |
| 2000 | 44°F | 34°F | 0.08" | -- |
| 1999 | 49°F | 42°F | 0.46" | -- |
| 1998 | 49°F | 35°F | 0" | 0" |
| 1997 | 47°F | 33°F | 0.03" | 0" |
| 1996 | 51°F | 35°F | 0.25" | 0" |
| 1995 | 41°F | 32°F | 2.11" | 0" |
| 1994 | 46°F | 37°F | 0.05" | 0" |
| 1993 | 56°F | 43°F | 3.51" | 0" |
| 1992 | 44°F | 37°F | 0" | 0" |
| 1991 | 49°F | 37°F | 1.32" | 0" |
| 1990 | 51°F | 47°F | 0.69" | 0" |
| 1989 | 50°F | 40°F | 0" | 0" |
| 1988 | 51°F | 48°F | 0.03" | 0" |
| 1987 | 56°F | 42°F | 3.66" | 0" |
| 1986 | 49°F | 33°F | 0" | 0" |
| 1985 | 41°F | 32°F | 0" | 0" |
| 1984 | 42°F | 38°F | 0.38" | 0" |
| 1983 | 45°F | 41°F | 2.87" | 0" |
| 1982 | 47°F | 34°F | 0" | 0" |
| 1981 | 50°F | 44°F | 1.19" | 0" |
| 1980 | 46°F | 29°F | 0" | 0" |
| 1979 | 54°F | 36°F | 0.86" | 0" |
| 1978 | 45°F | 37°F | 0.28" | 0" |
| 1977 | 39°F | 32°F | 0.13" | 0" |
| 1976 | 48°F | 38°F | 0" | 0" |
| 1975 | 53°F | 44°F | 0.08" | 0" |
| 1974 | 53°F | 44°F | 0.08" | 0" |
| 1973 | 46°F | 33°F | 0" | 0" |
| 1972 | 32°F | 21°F | 0" | 0" |
| 1971 | 43°F | 38°F | 0.76" | 0" |