Weather on May 15
Spokane, WA
55 Years of Data
Avg High
69°F
Avg Low
44°F
Warmest
2023
71°F avg
Coldest
1974
38°F avg
About This Date
May 15th in Spokane, WA typically brings mild spring weather, with average highs around 69°F and lows near 44°F — a 25°F daily swing. Over 55 years of records, the warmest May 15th was in 2023 (71°F average), while the coldest was 1974 (38°F) — a 33°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 1.63" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°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
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 46° | 56° | — | — |
| 2024 | 79° | 48° | 63° | — | — |
| 2023warmest | 84° | 57° | 71° | 0.13" | — |
| 2022 | 70° | 42° | 56° | — | — |
| 2021 | 82° | 45° | 63° | — | — |
| 2020 | 64° | 45° | 54° | 0.08" | — |
| 2019 | 71° | 47° | 59° | — | — |
| 2018 | 87° | 50° | 69° | — | — |
| 2017 | 60° | 35° | 48° | — | — |
| 2016 | 59° | 52° | 55° | 0.13" | — |
| 2015 | 73° | 45° | 59° | — | — |
| 2014 | 83° | 48° | 65° | — | — |
| 2013 | 67° | 39° | 53° | — | — |
| 2012 | 88° | 47° | 67° | — | — |
| 2011 | 69° | 48° | 59° | 1.63" | — |
| 2010 | 80° | 43° | 61° | — | — |
| 2009 | 65° | 35° | 50° | — | — |
| 2008 | 80° | 42° | 61° | — | — |
| 2007 | 80° | 42° | 61° | — | — |
| 2006 | 91° | 45° | 68° | — | — |
| 2005 | 68° | 51° | 60° | 1.22" | — |
| 2004 | 70° | 40° | 55° | — | — |
| 2003 | 59° | 41° | 50° | — | — |
| 2002 | 64° | 35° | 50° | — | — |
| 2001 | 63° | 46° | 54° | 0.43" | — |
| 2000 | 75° | 45° | 60° | — | — |
| 1999 | 60° | 40° | 50° | — | — |
| 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 FELTS FLD