Weather on December 21 at Lassen Volcanic
Lassen Volcanic National Park
Based on 55 years of data from Redding, CA
Elevation Note: Lassen Volcanic sits at 6,700 ft. Expect temperatures 23°F cooler than the data shown below, which comes from Redding, CA at a lower elevation.
Planning Your Visit
December 21st in Lassen Volcanic National Park (via Redding, CA) typically brings cool winter weather, with average highs around 53°F and lows near 38°F. Over 55 years of records, the warmest December 21st was in 1999 (63°F average), while the coldest was 1990 (23°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 56% of December 21st dates historically, with the wettest December 21st recording 4.9" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Lassen Volcanic? 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 | 59°F | 52°F | 3.28" | 0" |
| 2024 | 49°F | 45°F | 0.91" | 0" |
| 2023 | 67°F | 40°F | 0" | 0" |
| 2022 | 55°F | 38°F | 0" | 0" |
| 2021 | 44°F | 29°F | 0.56" | 0" |
| 2020 | 56°F | 31°F | 0.03" | 0" |
| 2019 | 52°F | 41°F | 0" | 0" |
| 2018 | 59°F | 44°F | 0.28" | 0" |
| 2017 | 57°F | 31°F | 0" | 0" |
| 2016 | 65°F | 51°F | 0" | 0" |
| 2015 | 50°F | 43°F | 3.91" | 0" |
| 2014 | 56°F | 53°F | 0.08" | 0" |
| 2013 | 63°F | 30°F | 0" | 0" |
| 2012 | 40°F | 32°F | 4.9" | -- |
| 2011 | 61°F | 45°F | 0" | -- |
| 2010 | 52°F | 45°F | 0.74" | -- |
| 2009 | 51°F | 39°F | 0.43" | -- |
| 2008 | 43°F | 40°F | 0.84" | -- |
| 2007 | 51°F | 36°F | 0" | -- |
| 2006 | 43°F | 37°F | 0.71" | -- |
| 2005 | 57°F | 52°F | 1.14" | -- |
| 2004 | 65°F | 47°F | 0" | -- |
| 2003 | 60°F | 44°F | 0.03" | 0" |
| 2002 | 51°F | 37°F | 0.94" | -- |
| 2001 | 47°F | 38°F | 0.08" | -- |
| 2000 | 49°F | 32°F | 0.25" | -- |
| 1999 | 72°F | 54°F | 0" | -- |
| 1998 | 45°F | 26°F | 0" | -- |
| 1997 | 51°F | 32°F | 0.03" | -- |
| 1996 | 41°F | 33°F | 0.28" | -- |
| 1995 | 56°F | 29°F | 0" | 0" |
| 1994 | 60°F | 31°F | 0" | 0" |
| 1993 | 61°F | 29°F | 0" | 0" |
| 1992 | 51°F | 34°F | 0.03" | 0" |
| 1991 | 54°F | 29°F | 0" | 0" |
| 1990 | 29°F | 17°F | 0" | 0" |
| 1989 | 57°F | 27°F | 0" | 0" |
| 1988 | 49°F | 33°F | 0.23" | 0" |
| 1987 | 50°F | 43°F | 0.28" | 0" |
| 1986 | 54°F | 32°F | 0" | 0" |
| 1985 | 49°F | 29°F | 0" | 0" |
| 1984 | 56°F | 37°F | 0" | 0" |
| 1983 | 51°F | 26°F | 0" | 0" |
| 1982 | 54°F | 43°F | 3.1" | 0" |
| 1981 | 60°F | 42°F | 0.74" | 0" |
| 1980 | 51°F | 43°F | 2.08" | 0" |
| 1979 | 55°F | 42°F | 0.76" | -- |
| 1978 | 65°F | 31°F | 0" | 0" |
| 1977 | 50°F | 45°F | 0.15" | 0" |
| 1976 | 63°F | 39°F | 0" | 0" |
| 1975 | 52°F | 35°F | 0" | 0" |
| 1974 | 46°F | 34°F | 0.15" | 0" |
| 1973 | 47°F | 44°F | 4.7" | 0" |
| 1972 | 58°F | 47°F | 0.94" | 0" |
| 1971 | 47°F | 35°F | 0.71" | 0" |