Weather on December 20
Spokane, WA
55 Years of Data
Avg High
34°F
Avg Low
25°F
Warmest
2019
50°F avg
Coldest
1983
2°F avg
About This Date
December 20th in Spokane, WA typically brings cold winter weather, with average highs around 34°F and lows near 25°F. Over 55 years of records, the warmest December 20th was in 2019 (50°F average), while the coldest was 1983 (2°F) — a 48°F range across recorded history. Precipitation has occurred on 45% of recorded December 20th dates, with snow falling 9% of the time (heaviest snowfall: 7.6"). The last decade has been 9.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.8°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Spokane, WA? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 44° | 32° | 38° | — | — |
| 2024 | 43° | 32° | 37° | — | — |
| 2023 | 46° | 36° | 41° | — | — |
| 2022 | 20° | 7° | 14° | 0.46" | — |
| 2021 | 29° | 22° | 26° | 0.23" | — |
| 2020 | 49° | 43° | 46° | — | — |
| 2019warmest | 55° | 45° | 50° | 0.13" | — |
| 2018 | 51° | 36° | 43° | 0.38" | — |
| 2017 | 38° | 31° | 35° | — | — |
| 2016 | 41° | 30° | 36° | 0.46" | — |
| 2015 | 38° | 31° | 35° | 0.28" | — |
| 2014 | 46° | 35° | 41° | 0.66" | — |
| 2013 | 29° | 23° | 26° | 0.61" | — |
| 2012 | 45° | 33° | 39° | 0.61" | — |
| 2011 | 34° | 27° | 31° | — | — |
| 2010 | 33° | 20° | 27° | 0.1" | — |
| 2009 | 44° | 36° | 40° | 0.69" | — |
| 2008 | 10° | -3° | 4° | — | — |
| 2007 | 40° | 30° | 35° | 0.36" | — |
| 2006 | 35° | 21° | 28° | — | — |
| 2005 | 33° | 25° | 29° | 0.05" | — |
| 2004 | 39° | 27° | 33° | — | — |
| 2003 | 35° | 27° | 31° | 0.33" | — |
| 2002 | 40° | 27° | 33° | — | — |
| 2001 | 36° | 27° | 31° | — | — |
| 2000 | 22° | 13° | 17° | — | — |
| 1999 | 37° | 25° | 31° | — | — |
| 1998 | 11° | 0° | 5° | — | — |
| 1997 | 36° | 30° | 33° | 0.05" | 0.2" |
| 1996 | 28° | 22° | 25° | 0.2" | — |
| 1995 | 34° | 31° | 32° | — | — |
| 1994 | 47° | 41° | 44° | — | — |
| 1993 | 31° | 27° | 29° | — | — |
| 1992 | 32° | 24° | 28° | 0.81" | 7.1" |
| 1991 | 34° | 23° | 28° | — | — |
| 1990 | 6° | -1° | 3° | — | — |
| 1989 | 35° | 27° | 31° | — | — |
| 1988 | 30° | 23° | 27° | 0.64" | 3.4" |
| 1987 | 31° | 10° | 20° | 0.86" | 7.6" |
| 1986 | 29° | 13° | 21° | — | — |
| 1985 | 28° | 26° | 27° | — | — |
| 1984 | 14° | -1° | 7° | 0.33" | 1.9" |
| 1983coldest | 10° | -6° | 2° | — | — |
| 1982 | 30° | 30° | 30° | 0.76" | — |
| 1981 | 32° | 22° | 27° | — | — |
| 1980 | 34° | 29° | 31° | — | — |
| 1979 | 48° | 36° | 42° | 0.05" | — |
| 1978 | 32° | 22° | 27° | 0.08" | — |
| 1977 | 32° | 16° | 24° | — | — |
| 1976 | 35° | 20° | 27° | — | — |
| 1975 | 34° | 21° | 27° | — | — |
| 1974 | 40° | 35° | 37° | 0.58" | — |
| 1973 | 35° | 30° | 33° | 0.64" | — |
| 1972 | 48° | 37° | 43° | — | — |
| 1971 | 35° | 28° | 32° | — | — |
55 years of data from SPOKANE FELTS FLD