Weather on May 20
Vancouver, WA
55 Years of Data
Avg High
66°F
Avg Low
47°F
Warmest
2023
69°F avg
Coldest
1975
44°F avg
About This Date
May 20th in Vancouver, WA typically brings mild spring weather, with average highs around 66°F and lows near 47°F. Over 55 years of records, the warmest May 20th was in 2023 (69°F average), while the coldest was 1975 (44°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 20th dates historically, with the wettest May 20th recording 2.36" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Vancouver, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 51° | 57° | 0.05" | — |
| 2024 | 69° | 41° | 55° | — | — |
| 2023warmest | 81° | 57° | 69° | — | — |
| 2022 | 62° | 43° | 52° | — | — |
| 2021 | 62° | 41° | 52° | 0.05" | — |
| 2020 | 62° | 50° | 56° | 0.18" | — |
| 2019 | 61° | 52° | 56° | 0.13" | — |
| 2018 | 71° | 54° | 62° | — | — |
| 2017 | 73° | 55° | 64° | — | — |
| 2016 | 66° | 49° | 57° | — | — |
| 2015 | 75° | 54° | 64° | — | — |
| 2014 | 74° | 49° | 61° | — | — |
| 2013 | 72° | 48° | 60° | — | — |
| 2012 | 66° | 57° | 62° | 0.18" | — |
| 2011 | 74° | 41° | 57° | — | — |
| 2010 | 57° | 45° | 51° | 0.61" | — |
| 2009 | 65° | 45° | 55° | — | — |
| 2008 | 64° | 52° | 58° | 0.63" | — |
| 2007 | 55° | 48° | 52° | 0.91" | — |
| 2006 | 74° | 55° | 64° | — | — |
| 2005 | 62° | 47° | 54° | 0.64" | — |
| 2004 | 69° | 45° | 57° | — | — |
| 2003 | 65° | 46° | 55° | — | — |
| 2002 | 65° | 48° | 56° | 0.51" | — |
| 2001 | 71° | 39° | 55° | — | — |
| 2000 | 76° | 53° | 64° | — | — |
| 1999 | 61° | 44° | 52° | — | — |
| 1998 | 56° | 51° | 53° | 2.11" | — |
| 1997 | 67° | 49° | 58° | — | — |
| 1996 | 62° | 48° | 55° | 0.05" | — |
| 1995 | 75° | 44° | 60° | — | — |
| 1994 | 63° | 53° | 58° | — | — |
| 1993 | 78° | 50° | 64° | 2.36" | — |
| 1992 | 72° | 38° | 55° | — | — |
| 1991 | 55° | 50° | 53° | — | — |
| 1990 | 64° | 48° | 56° | 0.05" | — |
| 1989 | 61° | 41° | 51° | 0.05" | — |
| 1988 | 66° | 40° | 53° | — | — |
| 1987 | 64° | 38° | 51° | — | — |
| 1986 | 75° | 51° | 63° | 1.6" | — |
| 1985 | 66° | 52° | 59° | — | — |
| 1984 | 59° | 41° | 50° | 0.46" | — |
| 1983 | 72° | 48° | 60° | — | — |
| 1982 | 68° | 42° | 55° | — | — |
| 1981 | 58° | 48° | 53° | 0.05" | — |
| 1980 | 70° | 47° | 58° | — | — |
| 1979 | 73° | 44° | 59° | — | — |
| 1978 | 81° | 45° | 63° | — | — |
| 1977 | 67° | 43° | 55° | — | — |
| 1976 | 53° | 44° | 49° | 0.61" | — |
| 1975coldest | 55° | 33° | 44° | 0.38" | — |
| 1974 | 59° | 45° | 52° | 0.25" | — |
| 1973 | 64° | 39° | 52° | — | — |
| 1972 | 73° | 50° | 62° | — | — |
| 1971 | 57° | 39° | 48° | 0.05" | — |
55 years of data from VANCOUVER PEARSON AP