Weather on May 15
Spokane, WA
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
2023
73°F avg
Coldest
1974
38°F avg
About This Date
May 15th in Spokane, WA typically brings mild spring weather, with average highs around 68°F and lows near 45°F. Over 55 years of records, the warmest May 15th was in 2023 (73°F average), while the coldest was 1974 (38°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 25% of May 15th dates historically, with the wettest May 15th recording 1.55" of rain. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Spokane, WA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 42° | 52° | — | — |
| 2024 | 78° | 51° | 65° | — | — |
| 2023warmest | 83° | 63° | 73° | — | — |
| 2022 | 68° | 44° | 56° | — | — |
| 2021 | 81° | 48° | 64° | — | — |
| 2020 | 60° | 45° | 52° | 0.2" | — |
| 2019 | 68° | 47° | 57° | 0.08" | — |
| 2018 | 85° | 55° | 70° | — | — |
| 2017 | 58° | 37° | 47° | — | — |
| 2016 | 56° | 50° | 53° | 0.18" | — |
| 2015 | 72° | 45° | 58° | — | — |
| 2014 | 80° | 52° | 66° | — | — |
| 2013 | 65° | 40° | 52° | — | — |
| 2012 | 86° | 54° | 70° | — | — |
| 2011 | 63° | 47° | 55° | 0.79" | — |
| 2010 | 79° | 49° | 64° | — | — |
| 2009 | 62° | 36° | 49° | — | — |
| 2008 | 79° | 45° | 62° | — | — |
| 2007 | 80° | 47° | 63° | — | — |
| 2006 | 90° | 50° | 70° | — | — |
| 2005 | 65° | 49° | 57° | 0.53" | — |
| 2004 | 67° | 44° | 55° | — | — |
| 2003 | 58° | 38° | 48° | — | — |
| 2002 | 61° | 34° | 47° | — | — |
| 2001 | 61° | 43° | 52° | 0.48" | — |
| 2000 | 73° | 44° | 59° | — | — |
| 1999 | 59° | 37° | 48° | — | — |
| 1998 | 59° | 38° | 48° | — | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 62° | 51° | 57° | 1.22" | — |
| 1995 | 74° | 51° | 62° | — | — |
| 1994 | 58° | 42° | 50° | 1.32" | — |
| 1993 | 81° | 47° | 64° | — | — |
| 1992 | 72° | 45° | 58° | — | — |
| 1991 | 65° | 37° | 51° | — | — |
| 1990 | 63° | 39° | 51° | — | — |
| 1989 | 73° | 39° | 56° | — | — |
| 1988 | 77° | 41° | 59° | — | — |
| 1987 | 75° | 50° | 63° | — | — |
| 1986 | 60° | 32° | 46° | — | — |
| 1985 | 77° | 37° | 57° | — | — |
| 1984 | 49° | 43° | 46° | 0.43" | — |
| 1983 | 57° | 44° | 51° | — | — |
| 1982 | 60° | 50° | 55° | — | — |
| 1981 | 53° | 42° | 48° | 1.55" | — |
| 1980 | 52° | 46° | 49° | 0.94" | — |
| 1979 | 73° | 43° | 58° | — | — |
| 1978 | 57° | 47° | 52° | 0.38" | — |
| 1977 | 57° | 37° | 47° | — | — |
| 1976 | 70° | 41° | 55° | — | — |
| 1975 | 77° | 53° | 65° | 0.03" | — |
| 1974coldest | 45° | 31° | 38° | 0.48" | — |
| 1973 | 89° | 52° | 70° | — | — |
| 1972 | 69° | 51° | 60° | — | — |
| 1971 | 63° | 46° | 54° | — | — |
55 years of data from SPOKANE