Weather on May 31
Boston, MA
55 Years of Data
About This Date
May 31st in Boston, MA typically brings pleasant spring weather, with average highs around 75°F and lows near 56°F. Over 55 years of records, the warmest May 31st was in 2013 (83°F average), while the coldest was 2005 (53°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 31st dates historically, with the wettest May 31st recording 10.46" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Boston, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 52° | 61° | 0.53" | — |
| 2024 | 77° | 54° | 65° | — | — |
| 2023 | 77° | 49° | 63° | — | — |
| 2022 | 83° | 55° | 69° | — | — |
| 2021 | 62° | 51° | 57° | 0.38" | — |
| 2020 | 68° | 50° | 59° | — | — |
| 2019 | 75° | 57° | 66° | 0.18" | — |
| 2018 | 83° | 56° | 69° | — | — |
| 2017 | 68° | 54° | 61° | 0.15" | — |
| 2016 | 87° | 68° | 78° | — | — |
| 2015 | 77° | 48° | 63° | 2.31" | — |
| 2014 | 60° | 52° | 56° | — | — |
| 2013warmest | 94° | 72° | 83° | — | — |
| 2012 | 83° | 63° | 73° | — | — |
| 2011 | 74° | 64° | 69° | — | — |
| 2010 | 74° | 60° | 67° | — | — |
| 2009 | 80° | 51° | 66° | 0.08" | — |
| 2008 | 76° | 62° | 69° | 0.05" | — |
| 2007 | 65° | 57° | 61° | — | — |
| 2006 | 79° | 54° | 66° | — | — |
| 2005coldest | 56° | 50° | 53° | 0.03" | — |
| 2004 | 64° | 49° | 56° | — | — |
| 2003 | 70° | 55° | 62° | 0.41" | — |
| 2002 | 82° | 64° | 73° | 0.58" | — |
| 2001 | 66° | 45° | 55° | — | — |
| 2000 | 72° | 45° | 58° | — | — |
| 1999 | 87° | 62° | 75° | — | — |
| 1998 | 79° | 57° | 68° | 1.75" | — |
| 1997 | 72° | 57° | 64° | — | — |
| 1996 | 76° | 46° | 61° | — | — |
| 1995 | 89° | 58° | 73° | — | — |
| 1994 | 86° | 63° | 74° | — | — |
| 1993 | 62° | 53° | 58° | 0.58" | — |
| 1992 | 65° | 52° | 58° | 0.36" | — |
| 1991 | 66° | 57° | 62° | 0.05" | — |
| 1990 | 75° | 49° | 62° | — | — |
| 1989 | 67° | 56° | 61° | — | — |
| 1988 | 83° | 57° | 70° | — | — |
| 1987 | 92° | 73° | 82° | 0.05" | — |
| 1986 | 80° | 56° | 68° | 0.25" | — |
| 1985 | 76° | 54° | 65° | — | — |
| 1984 | 62° | 53° | 58° | 10.46" | — |
| 1983 | 74° | 61° | 67° | — | — |
| 1982 | 59° | 55° | 57° | 0.1" | — |
| 1981 | 80° | 62° | 71° | 0.03" | — |
| 1980 | 76° | 58° | 67° | — | — |
| 1979 | 80° | 56° | 68° | — | — |
| 1978 | 67° | 57° | 62° | — | — |
| 1977 | 81° | 53° | 67° | — | — |
| 1976 | 74° | 57° | 65° | — | — |
| 1975 | 84° | 63° | 73° | 0.08" | — |
| 1974 | 66° | 52° | 59° | — | — |
| 1973 | 79° | 59° | 69° | 0.28" | — |
| 1972 | 78° | 65° | 71° | 1.4" | — |
| 1971 | 68° | 52° | 60° | — | — |
Boston, MA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Boston, MA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Boston, MA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Boston, MA
Boston, MA has no months that meet our "pleasant" threshold — every season has tradeoffs.