Weather on December 31 at Crater Lake
Crater Lake National Park
Based on 55 years of data from Medford, OR
Elevation Note: Crater Lake sits at 7,100 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Medford, OR at a lower elevation.
Planning Your Visit
December 31st in Crater Lake National Park (via Medford, OR) typically brings chilly winter weather, with average highs around 44°F and lows near 30°F. Over 55 years of records, the warmest December 31st was in 1979 (48°F average), while the coldest was 1990 (23°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 42% of December 31st dates historically, with the wettest December 31st recording 12.24" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Crater Lake? 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 | 46°F | 26°F | 0.18" | 0" |
| 2024 | 39°F | 31°F | 0.13" | 0" |
| 2023 | 50°F | 37°F | 0" | 0" |
| 2022 | 51°F | 34°F | 0.41" | 0" |
| 2021 | 42°F | 32°F | 0.15" | 0" |
| 2020 | 50°F | 40°F | 0.05" | 0" |
| 2019 | 44°F | 41°F | 0.56" | 0" |
| 2018 | 38°F | 26°F | 0" | 0" |
| 2017 | 50°F | 34°F | 0" | 0" |
| 2016 | 40°F | 27°F | 0" | 0" |
| 2015 | 46°F | 24°F | 0" | 0" |
| 2014 | 42°F | 19°F | 0" | 0" |
| 2013 | 49°F | 28°F | 0" | 0" |
| 2012 | 35°F | 27°F | 0" | 0" |
| 2011 | 43°F | 28°F | 0" | 0" |
| 2010 | 34°F | 21°F | 0.03" | 0" |
| 2009 | 47°F | 36°F | 2.03" | 0" |
| 2008 | 48°F | 37°F | 0" | 0" |
| 2007 | 41°F | 25°F | 0" | 0" |
| 2006 | 50°F | 31°F | 0" | 0" |
| 2005 | 48°F | 38°F | 1.65" | 0" |
| 2004 | 44°F | 33°F | 0.48" | -- |
| 2003 | 39°F | 35°F | 0.38" | -- |
| 2002 | 52°F | 36°F | 12.24" | 0" |
| 2001 | 48°F | 43°F | 0.03" | -- |
| 2000 | 52°F | 28°F | 0" | -- |
| 1999 | 35°F | 27°F | 0" | 0" |
| 1998 | 50°F | 33°F | 0.46" | 0" |
| 1997 | 38°F | 29°F | 0" | 0" |
| 1996 | 54°F | 38°F | -- | 0" |
| 1995 | 58°F | 34°F | 0" | 0" |
| 1994 | 48°F | 23°F | 0" | 0" |
| 1993 | 48°F | 35°F | 0.18" | 0" |
| 1992 | 43°F | 33°F | -- | 0" |
| 1991 | 41°F | 21°F | 0" | 0" |
| 1990 | 35°F | 10°F | 0" | 0" |
| 1989 | 43°F | 21°F | 0" | 0" |
| 1988 | 46°F | 32°F | 0.58" | 0" |
| 1987 | 39°F | 28°F | 1.02" | -- |
| 1986 | 47°F | 30°F | 0.23" | 0" |
| 1985 | 39°F | 29°F | 0" | 0" |
| 1984 | 46°F | 32°F | 0.18" | -- |
| 1983 | 49°F | 39°F | 0.13" | 0" |
| 1982 | 46°F | 20°F | 0" | 0" |
| 1981 | 37°F | 33°F | 0.64" | 0" |
| 1980 | 42°F | 36°F | 0" | 0" |
| 1979 | 57°F | 40°F | 0.58" | 0" |
| 1978 | 37°F | 16°F | 0" | 0" |
| 1977 | 43°F | 30°F | 0" | 0" |
| 1976 | 48°F | 22°F | 0" | 0" |
| 1975 | 41°F | 30°F | 0" | 0" |
| 1974 | 36°F | 25°F | 0.05" | 0" |
| 1973 | 40°F | 30°F | 0" | 0" |
| 1972 | 41°F | 28°F | 0" | 0" |
| 1971 | 38°F | 29°F | 0" | 0" |