Weather on December 18
Spokane, WA
55 Years of Data
About This Date
December 18th in Spokane, WA typically brings cold winter weather, with average highs around 34°F and lows near 23°F. Over 55 years of records, the warmest December 18th was in 1979 (43°F average), while the coldest was 1984 (0°F) — a 43°F range across recorded history. Precipitation has occurred on 44% of recorded December 18th dates, with snow falling 25% of the time (heaviest snowfall: 11.1"). The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.9°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Spokane, WA? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 33° | 41° | 0.56" | 0.8" |
| 2024 | 50° | 36° | 43° | 0.56" | — |
| 2023 | 38° | 30° | 34° | 0.28" | — |
| 2022 | 31° | 18° | 25° | — | — |
| 2021 | 40° | 20° | 30° | 0.79" | 2.9" |
| 2020 | 39° | 33° | 36° | 0.03" | — |
| 2019 | 34° | 24° | 29° | — | — |
| 2018 | 47° | 38° | 42° | 1.52" | — |
| 2017 | 39° | 33° | 36° | 0.08" | — |
| 2016 | 21° | 11° | 16° | 0.13" | 0.5" |
| 2015 | 37° | 27° | 32° | 0.56" | 1.4" |
| 2014 | 42° | 34° | 38° | — | — |
| 2013 | 35° | 24° | 30° | — | — |
| 2012 | 31° | 23° | 27° | — | — |
| 2011 | 32° | 25° | 28° | — | — |
| 2010 | 28° | 23° | 26° | 0.28" | 1.8" |
| 2009 | 38° | 31° | 34° | — | — |
| 2008 | 20° | 14° | 17° | 1.55" | 11.1" |
| 2007 | 38° | 29° | 33° | 0.58" | 1.1" |
| 2006 | 30° | 17° | 24° | — | — |
| 2005 | 21° | 6° | 14° | — | — |
| 2004 | 37° | 32° | 35° | — | — |
| 2003 | 34° | 24° | 29° | — | — |
| 2002 | 37° | 27° | 32° | 0.03" | 0.2" |
| 2001 | 34° | 22° | 28° | 0.28" | 2" |
| 2000 | 25° | 13° | 19° | — | — |
| 1999 | 46° | 31° | 38° | — | — |
| 1998 | 29° | 14° | 21° | — | — |
| 1997 | 38° | 24° | 31° | — | — |
| 1996 | 21° | 10° | 16° | — | — |
| 1995 | 35° | 27° | 31° | — | — |
| 1994 | 44° | 31° | 37° | 0.05" | — |
| 1993 | 31° | 27° | 29° | — | — |
| 1992 | 22° | 6° | 14° | — | 0.2" |
| 1991 | 33° | 26° | 30° | 0.56" | 0.8" |
| 1990 | 37° | 11° | 24° | — | — |
| 1989 | 28° | 22° | 25° | — | — |
| 1988 | 29° | 14° | 21° | 0.23" | 1.3" |
| 1987 | 27° | 22° | 24° | 0.08" | 0.6" |
| 1986 | 28° | 8° | 18° | — | — |
| 1985 | 24° | 8° | 16° | — | — |
| 1984coldest | 11° | -12° | 0° | — | — |
| 1983 | 15° | -7° | 4° | 0.13" | 1" |
| 1982 | 34° | 27° | 30° | 0.64" | — |
| 1981 | 31° | 15° | 23° | 0.2" | — |
| 1980 | 37° | 34° | 35° | — | — |
| 1979warmest | 47° | 39° | 43° | 0.61" | — |
| 1978 | 31° | 26° | 28° | — | — |
| 1977 | 34° | 32° | 33° | — | — |
| 1976 | 53° | 30° | 42° | — | — |
| 1975 | 36° | 25° | 30° | — | — |
| 1974 | 37° | 30° | 34° | 0.51" | — |
| 1973 | 36° | 33° | 34° | — | — |
| 1972 | 39° | 34° | 36° | 0.05" | — |
| 1971 | 41° | 36° | 38° | — | — |