Weather on July 21
Stamford, CT
55 Years of Data
Avg High
87°F
Avg Low
65°F
Warmest
1977
86°F avg
Coldest
1974
64°F avg
About This Date
July 21st in Stamford, CT typically brings warm summer weather, with average highs around 87°F and lows near 65°F. Over 55 years of records, the warmest July 21st was in 1977 (86°F average), while the coldest was 1974 (64°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 25% of July 21st dates historically, with the wettest July 21st recording 8.86" of rain. The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in Stamford, CT? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 65° | 74° | — | — |
| 2024 | 88° | 69° | 78° | — | — |
| 2023 | 85° | 68° | 76° | 0.18" | — |
| 2022 | 91° | 71° | 81° | — | — |
| 2021 | 80° | 66° | 73° | — | — |
| 2020 | 89° | 70° | 79° | — | — |
| 2019 | 97° | 73° | 85° | — | — |
| 2018 | 79° | 62° | 70° | 0.36" | — |
| 2017 | 90° | 70° | 80° | — | — |
| 2016 | 92° | 59° | 75° | — | — |
| 2015 | 91° | 68° | 80° | — | — |
| 2014 | 85° | 56° | 70° | — | — |
| 2013 | 89° | 69° | 79° | — | — |
| 2012 | 76° | 61° | 68° | 0.23" | — |
| 2011 | 92° | 72° | 82° | — | — |
| 2010 | 91° | 69° | 80° | 0.3" | — |
| 2009 | 68° | 63° | 65° | 1.22" | — |
| 2008 | 89° | 72° | 80° | — | — |
| 2007 | 82° | 57° | 70° | — | — |
| 2006 | 83° | 69° | 76° | 0.18" | — |
| 2005 | 90° | 63° | 76° | — | — |
| 2004 | 88° | 61° | 74° | — | — |
| 2003 | 84° | 61° | 72° | 0.13" | — |
| 2002 | 85° | 66° | 75° | — | — |
| 2001 | 90° | 56° | 73° | — | — |
| 2000 | 85° | 53° | 69° | — | — |
| 1999 | 84° | 61° | 72° | — | — |
| 1998 | 94° | 64° | 79° | — | — |
| 1997 | 83° | 55° | 69° | — | — |
| 1996 | 84° | 58° | 71° | — | — |
| 1995 | 85° | 69° | 77° | — | — |
| 1994 | 91° | 71° | 81° | — | — |
| 1993 | 86° | 60° | 73° | — | — |
| 1992 | 86° | 66° | 76° | — | — |
| 1991 | 98° | 71° | 85° | — | — |
| 1990 | 88° | 69° | 78° | — | — |
| 1989 | 72° | 63° | 67° | 1.7" | — |
| 1988 | 83° | 71° | 77° | 1.96" | — |
| 1987 | 95° | 64° | 80° | — | — |
| 1986 | 90° | 69° | 79° | — | — |
| 1985 | 91° | 62° | 77° | — | — |
| 1984 | 79° | 60° | 69° | 1.04" | — |
| 1983 | 91° | 62° | 77° | — | — |
| 1982 | 82° | 55° | 69° | — | — |
| 1981 | 89° | 71° | 80° | 2.49" | — |
| 1980 | 99° | 72° | 85° | — | — |
| 1979 | 83° | 63° | 73° | — | — |
| 1978 | 91° | 65° | 78° | — | — |
| 1977warmest | 100° | 71° | 86° | — | — |
| 1976 | 80° | 66° | 73° | — | — |
| 1975 | 86° | 70° | 78° | 2.16" | — |
| 1974coldest | 80° | 49° | 64° | — | — |
| 1973 | 82° | 65° | 73° | 8.86" | — |
| 1972 | 89° | 69° | 79° | 0.03" | — |
| 1971 | 80° | 52° | 66° | — | — |
55 years of data from STAMFORD 5 N