Weather on December 20 at Lake Clark
Lake Clark National Park and Preserve
Based on 31 years of data from Anchorage, AK
Planning Your Visit
December 20th in Lake Clark National Park (via Anchorage, AK) typically brings very cold winter weather, with average highs around 23°F and lows near 8°F. Over 31 years of records, the warmest December 20th was in 2011 (34°F average), while the coldest was 2022 (-9°F) — a 43°F range across recorded history. Precipitation has occurred on 35% of recorded December 20th dates, with snow falling 10% of the time (heaviest snowfall: 12.5"). The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Lake Clark? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 17°F | -11°F | 0" | -- |
| 2024 | 24°F | 18°F | 0" | -- |
| 2023 | 25°F | 22°F | 0" | -- |
| 2022 | -1°F | -17°F | 0" | -- |
| 2021 | 22°F | 17°F | 0.79" | -- |
| 2020 | 26°F | 8°F | 0.05" | -- |
| 2019 | 14°F | 3°F | 0" | -- |
| 2018 | 21°F | 14°F | 0" | -- |
| 2017 | 36°F | 19°F | 0" | -- |
| 2016 | 20°F | 8°F | 0" | -- |
| 2015 | 24°F | 13°F | 0" | -- |
| 2014 | 22°F | 12°F | 0" | -- |
| 2013 | 24°F | 9°F | 0.1" | -- |
| 2012 | 20°F | -2°F | 0.03" | -- |
| 2011 | 43°F | 25°F | 0.38" | -- |
| 2010 | 18°F | 4°F | 0" | -- |
| 2009 | 29°F | 6°F | 0" | -- |
| 2008 | 20°F | 7°F | 0" | -- |
| 2007 | 10°F | -10°F | 0.05" | -- |
| 2006 | 28°F | 11°F | 0.89" | -- |
| 2005 | 22°F | 13°F | 0" | -- |
| 2004 | 29°F | 16°F | 0.03" | -- |
| 2003 | 22°F | 5°F | 0.41" | 5.5" |
| 2002 | 21°F | 8°F | 0" | -- |
| 2001 | 27°F | 0°F | 0" | 0.5" |
| 2000 | 43°F | 18°F | 1.19" | 0" |
| 1999 | 35°F | 22°F | 0.18" | 12.5" |
| 1998 | 22°F | 7°F | 0" | 0" |
| 1997 | 19°F | 5°F | -- | -- |
| 1972 | 14°F | 2°F | 0" | 0" |
| 1971 | 25°F | -16°F | 0" | 0" |