Weather on May 21
Syracuse, NY
55 Years of Data
Avg High
71°F
Avg Low
49°F
Warmest
2022
79°F avg
Coldest
2002
43°F avg
About This Date
May 21st in Syracuse, NY typically brings pleasant spring weather, with average highs around 71°F and lows near 49°F. Over 55 years of records, the warmest May 21st was in 2022 (79°F average), while the coldest was 2002 (43°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 21st dates historically, with the wettest May 21st recording 1.78" of rain. The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.0°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Syracuse, NY? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 57° | 44° | 51° | 0.33" | — |
| 2024 | 90° | 63° | 76° | — | — |
| 2023 | 73° | 53° | 63° | — | — |
| 2022warmest | 91° | 67° | 79° | 0.03" | — |
| 2021 | 93° | 60° | 77° | — | — |
| 2020 | 79° | 43° | 61° | — | — |
| 2019 | 64° | 45° | 54° | — | — |
| 2018 | 75° | 44° | 60° | — | — |
| 2017 | 70° | 49° | 59° | 0.99" | — |
| 2016 | 70° | 46° | 58° | — | — |
| 2015 | 56° | 42° | 49° | — | — |
| 2014 | 73° | 50° | 62° | — | — |
| 2013 | 85° | 66° | 75° | — | — |
| 2012 | 89° | 61° | 75° | — | — |
| 2011 | 72° | 57° | 64° | — | — |
| 2010 | 80° | 55° | 68° | — | — |
| 2009 | 85° | 56° | 70° | — | — |
| 2008 | 54° | 43° | 48° | 0.08" | — |
| 2007 | 62° | 42° | 52° | — | — |
| 2006 | 52° | 38° | 45° | 0.56" | — |
| 2005 | 70° | 41° | 55° | 0.08" | — |
| 2004 | 74° | 58° | 66° | 0.05" | — |
| 2003 | 58° | 42° | 50° | 0.18" | — |
| 2002coldest | 50° | 36° | 43° | — | — |
| 2001 | 65° | 53° | 59° | 0.56" | — |
| 2000 | 58° | 49° | 53° | — | — |
| 1999 | 74° | 40° | 57° | — | — |
| 1998 | 62° | 50° | 56° | — | — |
| 1997 | 54° | 42° | 48° | 0.03" | — |
| 1996 | 71° | 50° | 61° | 0.97" | — |
| 1995 | 77° | 50° | 64° | 0.05" | — |
| 1994 | 73° | 41° | 57° | — | — |
| 1993 | 65° | 42° | 53° | — | — |
| 1992 | 82° | 46° | 64° | — | — |
| 1991 | 80° | 54° | 67° | — | — |
| 1990 | 51° | 41° | 46° | 0.23" | — |
| 1989 | 74° | 59° | 66° | 0.41" | — |
| 1988 | 73° | 53° | 63° | 1.12" | — |
| 1987 | 72° | 54° | 63° | — | — |
| 1986 | 60° | 52° | 56° | 1.6" | — |
| 1985 | 69° | 46° | 58° | 0.43" | — |
| 1984 | 69° | 46° | 58° | — | — |
| 1983 | 71° | 47° | 59° | — | — |
| 1982 | 70° | 47° | 58° | — | — |
| 1981 | 80° | 42° | 61° | — | — |
| 1980 | 74° | 55° | 64° | — | — |
| 1979 | 69° | 47° | 58° | 0.38" | — |
| 1978 | 62° | 47° | 54° | 0.1" | — |
| 1977 | 96° | 59° | 78° | — | — |
| 1976 | 59° | 38° | 48° | 0.05" | — |
| 1975 | 85° | 59° | 72° | 0.03" | — |
| 1974 | 76° | 42° | 59° | — | — |
| 1973 | 59° | 48° | 54° | 1.78" | — |
| 1972 | 76° | 55° | 65° | — | — |
| 1971 | 69° | 48° | 59° | — | — |
55 years of data from SUNY ESF SYRACUSE