Weather on May 20
Buffalo, NY
55 Years of Data
Avg High
69°F
Avg Low
50°F
Warmest
2021
75°F avg
Coldest
2002
39°F avg
About This Date
May 20th in Buffalo, NY typically brings mild spring weather, with average highs around 69°F and lows near 50°F. Over 55 years of records, the warmest May 20th was in 2021 (75°F average), while the coldest was 2002 (39°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 20th dates historically, with the wettest May 20th recording 1.52" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Buffalo, NY? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 38° | 49° | — | — |
| 2024 | 86° | 60° | 73° | — | — |
| 2023 | 66° | 51° | 59° | 1.07" | — |
| 2022 | 78° | 58° | 68° | — | — |
| 2021warmest | 90° | 60° | 75° | — | — |
| 2020 | 76° | 52° | 64° | — | — |
| 2019 | 67° | 47° | 57° | — | — |
| 2018 | 71° | 55° | 63° | 0.79" | — |
| 2017 | 65° | 49° | 57° | 0.03" | — |
| 2016 | 74° | 43° | 58° | — | — |
| 2015 | 52° | 40° | 46° | — | — |
| 2014 | 71° | 48° | 60° | 0.36" | — |
| 2013 | 85° | 62° | 73° | — | — |
| 2012 | 89° | 59° | 74° | — | — |
| 2011 | 58° | 51° | 54° | 0.48" | — |
| 2010 | 69° | 52° | 60° | — | — |
| 2009 | 76° | 49° | 62° | — | — |
| 2008 | 59° | 37° | 48° | — | — |
| 2007 | 57° | 48° | 53° | 0.1" | — |
| 2006 | 57° | 49° | 53° | 0.03" | — |
| 2005 | 68° | 49° | 58° | — | — |
| 2004 | 78° | 53° | 66° | 0.03" | — |
| 2003 | 73° | 47° | 60° | 1.52" | — |
| 2002coldest | 45° | 33° | 39° | — | — |
| 2001 | 73° | 51° | 62° | — | — |
| 2000 | 50° | 45° | 47° | 0.03" | — |
| 1999 | 64° | 42° | 53° | — | — |
| 1998 | 77° | 60° | 69° | — | — |
| 1997 | 50° | 41° | 46° | — | — |
| 1996 | 78° | 62° | 70° | 0.15" | — |
| 1995 | 68° | 42° | 55° | 0.03" | — |
| 1994 | 73° | 40° | 56° | — | — |
| 1993 | 59° | 39° | 49° | — | — |
| 1992 | 82° | 55° | 69° | — | — |
| 1991 | 78° | 48° | 63° | — | — |
| 1990 | 60° | 46° | 53° | 1.12" | — |
| 1989 | 81° | 60° | 70° | 0.46" | — |
| 1988 | 73° | 58° | 65° | — | — |
| 1987 | 67° | 54° | 60° | — | — |
| 1986 | 55° | 49° | 52° | 0.56" | — |
| 1985 | 79° | 59° | 69° | 0.84" | — |
| 1984 | 59° | 49° | 54° | 0.36" | — |
| 1983 | 68° | 54° | 61° | — | — |
| 1982 | 72° | 55° | 63° | 0.66" | — |
| 1981 | 67° | 42° | 54° | — | — |
| 1980 | 73° | 45° | 59° | — | — |
| 1979 | 80° | 58° | 69° | — | — |
| 1978 | 75° | 55° | 65° | 1.12" | — |
| 1977 | 84° | 58° | 71° | — | — |
| 1976 | 57° | 44° | 51° | — | — |
| 1975 | 82° | 64° | 73° | — | — |
| 1974 | 68° | 41° | 55° | — | — |
| 1973 | 55° | 48° | 52° | 0.81" | — |
| 1972 | — | 50° | — | — | — |
| 1971 | 68° | 48° | 58° | 0.51" | — |
55 years of data from GRAND ISLAND