Weather on May 18
Stamford, CT
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
2017
80°F avg
Coldest
1983
47°F avg
About This Date
May 18th in Stamford, CT typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 55 years of records, the warmest May 18th was in 2017 (80°F average), while the coldest was 1983 (47°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 44% of May 18th dates historically, with the wettest May 18th recording 7.21" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Stamford, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 58° | 65° | — | — |
| 2024 | 70° | 55° | 62° | — | — |
| 2023 | 60° | 39° | 50° | — | — |
| 2022 | 72° | 52° | 62° | 0.03" | — |
| 2021 | 80° | 52° | 66° | — | — |
| 2020 | 67° | 51° | 59° | — | — |
| 2019 | 73° | 48° | 61° | — | — |
| 2018 | 69° | 51° | 60° | — | — |
| 2017warmest | 95° | 64° | 80° | — | — |
| 2016 | 68° | 46° | 57° | — | — |
| 2015 | 85° | 59° | 72° | — | — |
| 2014 | 71° | 44° | 58° | — | — |
| 2013 | 74° | 43° | 58° | 0.13" | — |
| 2012 | 69° | 43° | 56° | — | — |
| 2011 | 67° | 57° | 62° | 7.21" | — |
| 2010 | 57° | 50° | 54° | 2.46" | — |
| 2009 | 56° | 40° | 48° | — | — |
| 2008 | 64° | 49° | 56° | 0.36" | — |
| 2007 | 51° | 45° | 48° | 0.18" | — |
| 2006 | 72° | 51° | 61° | 0.23" | — |
| 2005 | 70° | 45° | 57° | — | — |
| 2004 | 79° | 58° | 68° | 0.1" | — |
| 2003 | 70° | 37° | 53° | — | — |
| 2002 | 74° | 42° | 58° | 4.01" | — |
| 2001 | 62° | 50° | 56° | 0.05" | — |
| 2000 | 75° | 55° | 65° | 0.58" | — |
| 1999 | 72° | 48° | 60° | 0.08" | — |
| 1998 | 85° | 44° | 64° | — | — |
| 1997 | 69° | 38° | 53° | 0.05" | — |
| 1996 | 72° | 48° | 60° | 0.2" | — |
| 1995 | 72° | 56° | 64° | 0.13" | — |
| 1994 | 65° | 44° | 54° | 0.03" | — |
| 1993 | 70° | 46° | 58° | — | — |
| 1992 | 75° | 50° | 63° | — | — |
| 1991 | 80° | 52° | 66° | — | — |
| 1990 | 67° | 51° | 59° | 0.33" | — |
| 1989 | 86° | 49° | 67° | — | — |
| 1988 | 62° | 59° | 61° | 2.34" | — |
| 1987 | 86° | 54° | 70° | — | — |
| 1986 | 85° | 53° | 69° | — | — |
| 1985 | 70° | 51° | 60° | 0.51" | — |
| 1984 | 65° | 33° | 49° | — | — |
| 1983coldest | 63° | 31° | 47° | — | — |
| 1982 | 82° | 51° | 67° | — | — |
| 1981 | 70° | 39° | 54° | — | — |
| 1980 | 72° | 55° | 63° | 0.41" | — |
| 1979 | 70° | 49° | 59° | 0.56" | — |
| 1978 | 65° | 50° | 57° | 0.74" | — |
| 1977 | 89° | 54° | 71° | — | — |
| 1976 | 72° | 60° | 66° | 0.15" | — |
| 1975 | 72° | 49° | 60° | — | — |
| 1974 | 76° | 56° | 66° | — | — |
| 1973 | 64° | 46° | 55° | 0.81" | — |
| 1972 | 75° | 51° | 63° | — | — |
| 1971 | 82° | 46° | 64° | — | — |
55 years of data from STAMFORD 5 N