Weather on May 21
Quincy, MA
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
1996
78°F avg
Coldest
1990
43°F avg
About This Date
May 21st in Quincy, MA typically brings pleasant spring weather, with average highs around 72°F and lows near 49°F. Over 55 years of records, the warmest May 21st was in 1996 (78°F average), while the coldest was 1990 (43°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 21st dates historically, with the wettest May 21st recording 6.17" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Quincy, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 46° | 48° | — | — |
| 2024 | 84° | 53° | 69° | — | — |
| 2023 | 72° | 59° | 65° | 6.17" | — |
| 2022 | 81° | 59° | 70° | 0.1" | — |
| 2021 | 81° | 50° | 65° | — | — |
| 2020 | 77° | 37° | 57° | — | — |
| 2019 | 69° | 55° | 62° | — | — |
| 2018 | 78° | 51° | 65° | — | — |
| 2017 | 67° | 42° | 54° | — | — |
| 2016 | 76° | 47° | 61° | — | — |
| 2015 | 70° | 40° | 55° | — | — |
| 2014 | 70° | 44° | 57° | — | — |
| 2013 | 74° | 52° | 63° | 0.2" | — |
| 2012 | 64° | 46° | 55° | 0.05" | — |
| 2011 | 70° | 52° | 61° | — | — |
| 2010 | 70° | 54° | 62° | — | — |
| 2009 | 91° | 55° | 73° | — | — |
| 2008 | 70° | 46° | 58° | 0.08" | — |
| 2007 | 65° | 50° | 57° | 0.08" | — |
| 2006 | 69° | 46° | 58° | 0.51" | — |
| 2005 | 55° | 42° | 49° | 0.48" | — |
| 2004 | 80° | 53° | 67° | — | — |
| 2003 | 70° | 51° | 60° | 0.48" | — |
| 2002 | 63° | 34° | 48° | — | — |
| 2001 | 65° | 45° | 55° | — | — |
| 2000 | 55° | 48° | 52° | — | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 81° | 55° | 68° | — | — |
| 1997 | 62° | 43° | 52° | — | — |
| 1996warmest | 92° | 64° | 78° | 0.48" | — |
| 1995 | 78° | 47° | 62° | — | — |
| 1994 | 74° | 35° | 54° | — | — |
| 1993 | 68° | 49° | 58° | — | — |
| 1992 | 86° | 45° | 65° | — | — |
| 1991 | 82° | 50° | 66° | — | — |
| 1990coldest | 44° | 42° | 43° | 0.71" | — |
| 1989 | 81° | 56° | 68° | 0.1" | — |
| 1988 | 60° | 47° | 53° | 0.33" | — |
| 1987 | 72° | 41° | 56° | — | — |
| 1986 | 79° | 62° | 70° | — | — |
| 1985 | 76° | 61° | 68° | 0.05" | — |
| 1984 | 74° | 53° | 63° | 0.58" | — |
| 1983 | 77° | 57° | 67° | 0.15" | — |
| 1982 | 68° | 55° | 62° | — | — |
| 1981 | 73° | 44° | 59° | — | — |
| 1980 | 50° | 46° | 48° | 0.86" | — |
| 1979 | 70° | 51° | 60° | 0.03" | — |
| 1978 | 78° | 61° | 69° | 0.23" | — |
| 1977 | 80° | 55° | 68° | — | — |
| 1976 | 74° | 41° | 57° | 1.88" | — |
| 1975 | 88° | 56° | 72° | — | — |
| 1974 | 62° | 38° | 50° | — | — |
| 1973 | 66° | 51° | 59° | 2.72" | — |
| 1972 | 76° | 47° | 61° | 0.2" | — |
| 1971 | 60° | 49° | 54° | — | — |
55 years of data from HINGHAM