Weather on December 18
Spokane, WA
55 Years of Data
Avg High
35°F
Avg Low
24°F
Warmest
2018
46°F avg
Coldest
1984
0°F avg
About This Date
December 18th in Spokane, WA typically brings cold winter weather, with average highs around 35°F and lows near 24°F. Over 55 years of records, the warmest December 18th was in 2018 (46°F average), while the coldest was 1984 (0°F) — a 46°F range across recorded history. Precipitation has occurred on 45% of recorded December 18th dates, with snow falling 9% of the time (heaviest snowfall: 1.3"). The last decade has been 7.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.4°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.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 35° | 43° | 0.36" | — |
| 2024 | 52° | 34° | 43° | 0.61" | — |
| 2023 | 39° | 31° | 35° | 0.2" | — |
| 2022 | 29° | 21° | 25° | 0.03" | — |
| 2021 | 42° | 22° | 32° | 0.53" | — |
| 2020 | 43° | 36° | 39° | — | — |
| 2019 | 39° | 27° | 33° | — | — |
| 2018warmest | 50° | 41° | 46° | 0.99" | — |
| 2017 | 43° | 36° | 39° | 0.1" | — |
| 2016 | 25° | 14° | 20° | 0.08" | — |
| 2015 | 40° | 30° | 35° | 0.56" | — |
| 2014 | 43° | 37° | 40° | 0.03" | — |
| 2013 | 38° | 29° | 34° | — | — |
| 2012 | 34° | 28° | 31° | — | — |
| 2011 | 32° | 26° | 29° | — | — |
| 2010 | 31° | 23° | 27° | 0.1" | — |
| 2009 | 40° | 32° | 36° | — | — |
| 2008 | 20° | 17° | 19° | 1.55" | — |
| 2007 | 43° | 31° | 37° | 0.33" | — |
| 2006 | 34° | 16° | 25° | — | — |
| 2005 | 26° | 5° | 16° | — | — |
| 2004 | 40° | 33° | 36° | — | — |
| 2003 | 38° | 24° | 31° | — | — |
| 2002 | 39° | 32° | 36° | 0.03" | — |
| 2001 | 36° | 23° | 29° | 0.3" | — |
| 2000 | 28° | 12° | 20° | — | — |
| 1999 | 48° | 36° | 42° | — | — |
| 1998 | 33° | 15° | 24° | — | — |
| 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° | — | — |
| 1979 | 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° | — | — |
55 years of data from SPOKANE FELTS FLD