Weather on December 27 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 27th in North Cascades National Park (via 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 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 | 44°F | 34°F | 0" | -- |
| 2024 | 49°F | 43°F | 0.36" | -- |
| 2023 | 55°F | 45°F | 0.05" | -- |
| 2022 | 55°F | 45°F | 0.97" | -- |
| 2021 | 24°F | 17°F | 0" | -- |
| 2020 | 47°F | 33°F | 0.13" | -- |
| 2019 | 44°F | 37°F | 0" | -- |
| 2018 | 47°F | 39°F | 0.13" | -- |
| 2017 | 40°F | 33°F | 0" | -- |
| 2016 | 47°F | 41°F | 0" | -- |
| 2015 | 42°F | 37°F | 0.81" | -- |
| 2014 | 52°F | 42°F | 0.3" | -- |
| 2013 | 48°F | 33°F | 0.08" | -- |
| 2012 | 47°F | 39°F | 0.69" | -- |
| 2011 | 52°F | 40°F | 1.91" | -- |
| 2010 | 47°F | 39°F | 1.17" | -- |
| 2009 | 47°F | 27°F | 0" | -- |
| 2008 | 46°F | 35°F | 0.13" | -- |
| 2007 | 39°F | 35°F | 1.02" | -- |
| 2006 | 43°F | 32°F | 0.76" | -- |
| 2005 | 54°F | 44°F | 1.24" | -- |
| 2004 | 49°F | 37°F | 0" | -- |
| 2003 | 43°F | 33°F | 0.94" | -- |
| 2002 | 54°F | 38°F | 0.79" | -- |
| 2001 | 51°F | 40°F | 0.2" | -- |
| 2000 | 50°F | 41°F | 0" | -- |
| 1999 | 40°F | 32°F | 0" | -- |
| 1998 | 54°F | 40°F | 2.29" | -- |
| 1997 | 47°F | 39°F | 0.23" | 0" |
| 1996 | 34°F | 26°F | 1.02" | 3" |
| 1995 | 48°F | 35°F | 0.03" | 0" |
| 1994 | 58°F | 48°F | 2.06" | 0" |
| 1993 | 42°F | 31°F | 0" | 0" |
| 1992 | 44°F | 34°F | 0.43" | 0" |
| 1991 | 52°F | 37°F | 0.15" | 0" |
| 1990 | 45°F | 33°F | 0.33" | 0.3" |
| 1989 | 43°F | 35°F | 0.46" | 0" |
| 1988 | 42°F | 30°F | 0" | 0" |
| 1987 | 42°F | 29°F | 0" | 0" |
| 1986 | 51°F | 42°F | 0" | 0" |
| 1985 | 38°F | 31°F | 0" | 0" |
| 1984 | 40°F | 33°F | 0.23" | 0" |
| 1983 | 43°F | 29°F | 0" | 0" |
| 1982 | 43°F | 31°F | 0" | 0" |
| 1981 | 42°F | 37°F | 0" | 0" |
| 1980 | 56°F | 52°F | 0.25" | 0" |
| 1979 | 50°F | 34°F | 0" | 0" |
| 1978 | 41°F | 29°F | 0.05" | 0" |
| 1977 | 50°F | 31°F | 0" | 0" |
| 1976 | 52°F | 38°F | 0" | 0" |
| 1975 | 49°F | 41°F | 0" | 0" |
| 1974 | 39°F | 33°F | 1.27" | 2" |
| 1973 | 46°F | 35°F | 1.55" | 0" |
| 1972 | 49°F | 40°F | 1.17" | 0" |
| 1971 | 36°F | 28°F | 0" | 0" |