Weather on May 31
Hartford, CT
55 Years of Data
Avg High
77°F
Avg Low
55°F
Warmest
1987
81°F avg
Coldest
1996
50°F avg
About This Date
May 31st in Hartford, CT typically brings pleasant spring weather, with average highs around 77°F and lows near 55°F. Over 55 years of records, the warmest May 31st was in 1987 (81°F average), while the coldest was 1996 (50°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 31st dates historically, with the wettest May 31st recording 5.41" of rain. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Hartford, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 52° | 58° | 2.44" | — |
| 2024 | 77° | 50° | 64° | — | — |
| 2023 | 81° | 47° | 64° | — | — |
| 2022 | 95° | 62° | 79° | — | — |
| 2021 | 65° | 48° | 56° | 0.2" | — |
| 2020 | 69° | 51° | 60° | — | — |
| 2019 | 81° | 58° | 69° | — | — |
| 2018 | 78° | 51° | 65° | — | — |
| 2017 | 73° | 54° | 63° | 0.46" | — |
| 2016 | 89° | 69° | 79° | — | — |
| 2015 | 76° | 52° | 64° | 2.26" | — |
| 2014 | 69° | 51° | 60° | — | — |
| 2013 | 95° | 64° | 80° | — | — |
| 2012 | 80° | 63° | 71° | 0.03" | — |
| 2011 | 87° | 66° | 77° | — | — |
| 2010 | 82° | 61° | 71° | — | — |
| 2009 | 80° | 51° | 66° | 1.42" | — |
| 2008 | 75° | 60° | 68° | 0.23" | — |
| 2007 | 83° | 59° | 71° | 0.58" | — |
| 2006 | 80° | 60° | 70° | — | — |
| 2005 | 75° | 53° | 64° | 0.05" | — |
| 2004 | 72° | 48° | 60° | 0.03" | — |
| 2003 | 71° | 56° | 63° | 1.68" | — |
| 2002 | 81° | 63° | 72° | 4.65" | — |
| 2001 | 65° | 47° | 56° | — | — |
| 2000 | 72° | 50° | 61° | — | — |
| 1999 | 87° | 45° | 66° | — | — |
| 1998 | 86° | 58° | 72° | — | — |
| 1997 | 69° | 30° | 50° | — | — |
| 1996coldest | 58° | 43° | 50° | 0.51" | — |
| 1995 | 86° | 52° | 69° | — | — |
| 1994 | 80° | 62° | 71° | — | — |
| 1993 | 69° | 52° | 60° | 2.9" | — |
| 1992 | 62° | 57° | 60° | 2.95" | — |
| 1991 | 88° | 66° | 77° | 0.76" | — |
| 1990 | 68° | 43° | 55° | 0.03" | — |
| 1989 | 72° | 61° | 66° | — | — |
| 1988 | 79° | 58° | 68° | — | — |
| 1987warmest | 93° | 68° | 81° | 0.25" | — |
| 1986 | 92° | 67° | 79° | — | — |
| 1985 | 75° | 55° | 65° | — | — |
| 1984 | 68° | 47° | 57° | 5.41" | — |
| 1983 | 69° | 59° | 64° | 1.27" | — |
| 1982 | 77° | 58° | 67° | 0.25" | — |
| 1981 | 83° | 59° | 71° | — | — |
| 1980 | 75° | 56° | 65° | — | — |
| 1979 | 76° | 52° | 64° | 0.3" | — |
| 1978 | 85° | 59° | 72° | — | — |
| 1977 | 74° | 45° | 59° | — | — |
| 1976 | 70° | 57° | 63° | — | — |
| 1975 | 77° | 62° | 70° | 0.48" | — |
| 1974 | 72° | 50° | 61° | — | — |
| 1973 | 84° | 60° | 72° | 1.09" | — |
| 1972 | 74° | 60° | 67° | 4.45" | — |
| 1971 | 66° | 56° | 61° | — | — |
55 years of data from HARTFORD BRAINARD FLD