Weather on May 15
Stamford, CT
55 Years of Data
Avg High
72°F
Avg Low
48°F
Warmest
1976
71°F avg
Coldest
1984
47°F avg
About This Date
May 15th in Stamford, CT typically brings pleasant spring weather, with average highs around 72°F and lows near 48°F. Over 55 years of records, the warmest May 15th was in 1976 (71°F average), while the coldest was 1984 (47°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 15th dates historically, with the wettest May 15th recording 4.32" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Stamford, CT? 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 | 69° | 60° | 65° | 0.05" | — |
| 2024 | 64° | 58° | 61° | 1.17" | — |
| 2023 | 74° | 43° | 58° | — | — |
| 2022 | 77° | 61° | 69° | 0.08" | — |
| 2021 | 73° | 50° | 62° | — | — |
| 2020 | 82° | 52° | 67° | — | — |
| 2019 | 66° | 41° | 54° | — | — |
| 2018 | 84° | 57° | 71° | 1.04" | — |
| 2017 | 65° | 50° | 57° | — | — |
| 2016 | 67° | 44° | 55° | — | — |
| 2015 | 73° | 46° | 60° | — | — |
| 2014 | 71° | 57° | 64° | 0.13" | — |
| 2013 | 65° | 34° | 49° | 0.05" | — |
| 2012 | 64° | 60° | 62° | 1.22" | — |
| 2011 | 66° | 55° | 61° | 2.54" | — |
| 2010 | 71° | 51° | 61° | — | — |
| 2009 | 73° | 56° | 64° | — | — |
| 2008 | 72° | 50° | 61° | 0.05" | — |
| 2007 | 84° | 50° | 67° | — | — |
| 2006 | 59° | 48° | 54° | 0.94" | — |
| 2005 | 75° | 56° | 65° | 0.25" | — |
| 2004 | 87° | 53° | 70° | — | — |
| 2003 | 72° | 44° | 58° | — | — |
| 2002 | 68° | 44° | 56° | — | — |
| 2001 | 74° | 42° | 58° | — | — |
| 2000 | 74° | 42° | 58° | — | — |
| 1999 | 72° | 38° | 55° | — | — |
| 1998 | 85° | 43° | 64° | — | — |
| 1997 | 74° | 52° | 63° | — | — |
| 1996 | 71° | 34° | 52° | — | — |
| 1995 | 63° | 51° | 57° | 0.36" | — |
| 1994 | 74° | 41° | 57° | — | — |
| 1993 | 73° | 42° | 58° | — | — |
| 1992 | 75° | 53° | 64° | — | — |
| 1991 | 84° | 56° | 70° | 1.78" | — |
| 1990 | 75° | 44° | 60° | — | — |
| 1989 | 72° | 47° | 59° | — | — |
| 1988 | 71° | 41° | 56° | — | — |
| 1987 | 76° | 53° | 64° | 0.33" | — |
| 1986 | 66° | 48° | 57° | — | — |
| 1985 | 68° | 47° | 57° | — | — |
| 1984coldest | 61° | 34° | 47° | — | — |
| 1983 | 68° | 52° | 60° | 0.46" | — |
| 1982 | 79° | 43° | 61° | — | — |
| 1981 | 72° | 58° | 65° | 0.18" | — |
| 1980 | 72° | 41° | 56° | — | — |
| 1979 | 73° | 53° | 63° | 0.36" | — |
| 1978 | 55° | 50° | 53° | 4.32" | — |
| 1977 | 73° | 34° | 53° | — | — |
| 1976warmest | 83° | 59° | 71° | — | — |
| 1975 | 78° | 48° | 63° | — | — |
| 1974 | 78° | 49° | 63° | — | — |
| 1973 | 67° | 49° | 58° | 0.23" | — |
| 1972 | 72° | 54° | 63° | 3.1" | — |
| 1971 | 66° | 32° | 49° | — | — |
55 years of data from STAMFORD 5 N