Weather on April 21
Buffalo, NY
55 Years of Data
Avg High
59°F
Avg Low
40°F
Warmest
1977
71°F avg
Coldest
1981
31°F avg
About This Date
April 21st in Buffalo, NY typically brings cool spring weather, with average highs around 59°F and lows near 40°F. Over 55 years of records, the warmest April 21st was in 1977 (71°F average), while the coldest was 1981 (31°F) — a 40°F range across recorded history. Precipitation has occurred on 42% of recorded April 21st dates, with snow falling 7% of the time (heaviest snowfall: 3.1"). The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Buffalo, NY? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 45° | 58° | 1.47" | — |
| 2024 | 46° | 40° | 43° | — | — |
| 2023 | 77° | 47° | 62° | 0.05" | — |
| 2022 | 55° | 42° | 49° | 0.28" | — |
| 2021 | 37° | 30° | 34° | 0.84" | 3.1" |
| 2020 | 50° | 31° | 41° | 0.33" | 0.1" |
| 2019 | 49° | 40° | 44° | — | — |
| 2018 | 50° | 27° | 39° | — | — |
| 2017 | 53° | 44° | 49° | — | — |
| 2016 | 71° | 47° | 59° | — | — |
| 2015 | 52° | 40° | 46° | — | — |
| 2014 | 71° | 47° | 59° | — | — |
| 2013 | 47° | 28° | 38° | — | — |
| 2012 | 57° | 39° | 48° | 1.07" | — |
| 2011 | 43° | 31° | 37° | — | — |
| 2010 | 60° | 41° | 51° | — | — |
| 2009 | 56° | 40° | 48° | 0.2" | — |
| 2008 | 77° | 54° | 65° | — | — |
| 2007 | 65° | 39° | 52° | — | — |
| 2006 | 78° | 51° | 65° | 0.08" | — |
| 2005 | 54° | 35° | 44° | — | — |
| 2004 | 76° | 47° | 61° | 0.76" | — |
| 2003 | 63° | 49° | 56° | 0.3" | — |
| 2002 | 41° | 33° | 37° | 0.03" | — |
| 2001 | 66° | 47° | 56° | 0.28" | — |
| 2000 | 57° | 44° | 51° | 0.71" | — |
| 1999 | 61° | 36° | 48° | — | — |
| 1998 | 62° | 38° | 50° | — | — |
| 1997 | 58° | 30° | 44° | — | — |
| 1996 | 54° | 41° | 47° | — | — |
| 1995 | 68° | 45° | 56° | 0.48" | — |
| 1994 | 46° | 34° | 40° | — | — |
| 1993 | 54° | 35° | 44° | 0.05" | — |
| 1992 | 70° | 60° | 65° | 1.27" | — |
| 1991 | 44° | 40° | 42° | 3.15" | — |
| 1990 | 53° | 44° | 49° | 0.18" | — |
| 1989 | 55° | 35° | 45° | — | — |
| 1988 | 47° | 34° | 40° | — | — |
| 1987 | 75° | 50° | 63° | — | — |
| 1986 | 62° | 34° | 48° | 0.15" | — |
| 1985 | 74° | 55° | 64° | — | — |
| 1984 | 51° | 36° | 43° | — | — |
| 1983 | 45° | 33° | 39° | 0.03" | 0.1" |
| 1982 | 42° | 33° | 38° | — | — |
| 1981coldest | 40° | 23° | 31° | — | — |
| 1980 | 60° | 37° | 49° | — | — |
| 1979 | 74° | 41° | 57° | — | — |
| 1978 | 38° | 32° | 35° | 0.2" | 0.8" |
| 1977warmest | 80° | 63° | 71° | 0.1" | — |
| 1976 | 81° | 50° | 65° | 0.94" | — |
| 1975 | 44° | 32° | 38° | — | — |
| 1974 | 74° | 41° | 57° | — | — |
| 1973 | 80° | 59° | 70° | — | — |
| 1972 | 53° | 26° | 40° | — | — |
| 1971 | 66° | 29° | 47° | — | — |
55 years of data from GRAND ISLAND