Weather on May 20
Stamford, CT
55 Years of Data
Avg High
74°F
Avg Low
48°F
Warmest
1996
78°F avg
Coldest
2002
45°F avg
About This Date
May 20th in Stamford, CT typically brings pleasant spring weather, with average highs around 74°F and lows near 48°F — a 26°F daily swing. Over 55 years of records, the warmest May 20th was in 1996 (78°F average), while the coldest was 2002 (45°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 35% of May 20th dates historically, with the wettest May 20th recording 3.76" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 20th in Stamford, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 45° | 55° | — | — |
| 2024 | 73° | 52° | 62° | — | — |
| 2023 | 64° | 50° | 57° | 3.76" | — |
| 2022 | 68° | 50° | 59° | 0.46" | — |
| 2021 | 71° | 42° | 57° | — | — |
| 2020 | 63° | 41° | 52° | — | — |
| 2019 | 84° | 64° | 74° | 0.64" | — |
| 2018 | 80° | 51° | 66° | 0.08" | — |
| 2017 | 86° | 58° | 72° | — | — |
| 2016 | 75° | 44° | 60° | — | — |
| 2015 | 76° | 46° | 61° | — | — |
| 2014 | 79° | 36° | 57° | — | — |
| 2013 | 81° | 55° | 68° | 0.38" | — |
| 2012 | 77° | 54° | 65° | — | — |
| 2011 | 66° | 54° | 60° | — | — |
| 2010 | 80° | 49° | 64° | — | — |
| 2009 | 80° | 44° | 62° | — | — |
| 2008 | 55° | 44° | 50° | 0.63" | — |
| 2007 | 75° | 51° | 63° | — | — |
| 2006 | 67° | 48° | 57° | — | — |
| 2005 | 69° | 49° | 59° | — | — |
| 2004 | 75° | 56° | 65° | — | — |
| 2003 | 82° | 43° | 62° | — | — |
| 2002coldest | 60° | 31° | 45° | — | — |
| 2001 | 78° | 50° | 64° | — | — |
| 2000 | 52° | 43° | 47° | 0.61" | — |
| 1999 | 73° | 51° | 62° | 3.1" | — |
| 1998 | 82° | 53° | 68° | — | — |
| 1997 | 79° | 58° | 68° | 1.09" | — |
| 1996warmest | 97° | 60° | 78° | — | — |
| 1995 | 74° | 42° | 58° | — | — |
| 1994 | 63° | 44° | 53° | 0.3" | — |
| 1993 | 58° | 52° | 55° | 0.13" | — |
| 1992 | 78° | 36° | 57° | — | — |
| 1991 | 73° | 38° | 55° | — | — |
| 1990 | 69° | 47° | 58° | — | — |
| 1989 | 85° | 50° | 67° | — | — |
| 1988 | 73° | 55° | 64° | 1.32" | — |
| 1987 | 55° | 49° | 52° | 0.15" | — |
| 1986 | 76° | 59° | 67° | — | — |
| 1985 | 81° | 41° | 61° | — | — |
| 1984 | 73° | 45° | 59° | — | — |
| 1983 | 71° | 52° | 61° | 1.27" | — |
| 1982 | 83° | 58° | 70° | — | — |
| 1981 | 74° | 39° | 56° | — | — |
| 1980 | 76° | 58° | 67° | 1.42" | — |
| 1979 | 69° | 56° | 62° | 0.08" | — |
| 1978 | 88° | 50° | 69° | — | — |
| 1977 | 88° | 45° | 66° | — | — |
| 1976 | 70° | 42° | 56° | 0.28" | — |
| 1975 | 88° | 52° | 70° | — | — |
| 1974 | 75° | 39° | 57° | — | — |
| 1973 | 68° | 35° | 52° | 2.24" | — |
| 1972 | 62° | 53° | 58° | 2.49" | — |
| 1971 | 67° | 49° | 58° | — | — |
55 years of data from STAMFORD 5 N