Weather on May 20
Cambridge, MA
55 Years of Data
Avg High
68°F
Avg Low
48°F
Warmest
1986
75°F avg
Coldest
2000
46°F avg
About This Date
May 20th in Cambridge, MA typically brings mild spring weather, with average highs around 68°F and lows near 48°F. Over 55 years of records, the warmest May 20th was in 1986 (75°F average), while the coldest was 2000 (46°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 20th dates historically, with the wettest May 20th recording 3.25" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 20th in Cambridge, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 49° | 57° | — | — |
| 2024 | 57° | 51° | 54° | 0.13" | — |
| 2023 | 71° | 50° | 61° | — | — |
| 2022 | 58° | 49° | 53° | — | — |
| 2021 | 76° | 49° | 62° | — | — |
| 2020 | 60° | 41° | 51° | — | — |
| 2019 | 72° | 56° | 64° | 0.56" | — |
| 2018 | 66° | 50° | 58° | 0.66" | — |
| 2017 | 93° | 55° | 74° | — | — |
| 2016 | 69° | 46° | 58° | 0.23" | — |
| 2015 | 65° | 54° | 59° | 0.61" | — |
| 2014 | 68° | 49° | 58° | 0.25" | — |
| 2013 | 71° | 54° | 62° | 0.33" | — |
| 2012 | 73° | 50° | 62° | — | — |
| 2011 | 64° | 51° | 58° | 0.46" | — |
| 2010 | 56° | 51° | 53° | 0.41" | — |
| 2009 | 71° | 49° | 60° | — | — |
| 2008 | 61° | 42° | 51° | — | — |
| 2007 | 64° | 50° | 57° | 1.32" | — |
| 2006 | 68° | 50° | 59° | — | — |
| 2005 | 64° | 48° | 56° | — | — |
| 2004 | 72° | 52° | 62° | — | — |
| 2003 | 82° | 51° | 67° | — | — |
| 2002 | 60° | 38° | 49° | — | — |
| 2001 | 77° | 49° | 63° | — | — |
| 2000coldest | 51° | 41° | 46° | 1.19" | — |
| 1999 | 78° | 50° | 64° | 1.75" | — |
| 1998 | 75° | 52° | 63° | — | — |
| 1997 | 56° | 45° | 50° | 3.25" | — |
| 1996 | 76° | 59° | 67° | — | — |
| 1995 | 55° | 45° | 50° | 0.28" | — |
| 1994 | 52° | 43° | 47° | 0.05" | — |
| 1993 | 51° | 48° | 50° | 0.05" | — |
| 1992 | 68° | 41° | 55° | — | — |
| 1991 | 70° | 40° | 55° | — | — |
| 1990 | 64° | 46° | 55° | — | — |
| 1989 | 77° | 52° | 64° | — | — |
| 1988 | 51° | 49° | 50° | 2.49" | — |
| 1987 | 65° | 39° | 52° | — | — |
| 1986warmest | 93° | 57° | 75° | — | — |
| 1985 | 65° | 44° | 54° | 0.18" | — |
| 1984 | 74° | 37° | 55° | 0.18" | — |
| 1983 | 68° | 49° | 58° | 0.05" | — |
| 1982 | 80° | 55° | 68° | — | — |
| 1981 | 70° | 38° | 54° | — | — |
| 1980 | 77° | 59° | 68° | — | — |
| 1979 | 54° | 50° | 52° | 1.65" | — |
| 1978 | 78° | 52° | 65° | 0.03" | — |
| 1977 | 64° | 46° | 55° | 0.03" | — |
| 1976 | — | 33° | — | 0.36" | — |
| 1975 | 85° | 59° | 72° | — | — |
| 1974 | 68° | 43° | 55° | — | — |
| 1973 | 65° | 47° | 56° | — | — |
| 1972 | 72° | 46° | 59° | 0.25" | — |
| 1971 | 66° | 52° | 59° | — | — |
55 years of data from CHESTNUT HILL