Weather on May 21
Manchester, NH
55 Years of Data
Avg High
73°F
Avg Low
49°F
Warmest
1975
75°F avg
Coldest
1990
44°F avg
About This Date
May 21st in Manchester, NH typically brings pleasant spring weather, with average highs around 73°F and lows near 49°F. Over 55 years of records, the warmest May 21st was in 1975 (75°F average), while the coldest was 1990 (44°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 21st dates historically, with the wettest May 21st recording 3.43" of rain. The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
Planning for May 21st in Manchester, NH? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 45° | 48° | 0.03" | — |
| 2024 | 90° | 54° | 72° | 0.15" | — |
| 2023 | 77° | 55° | 66° | — | — |
| 2022 | 89° | 57° | 73° | — | — |
| 2021 | 88° | 56° | 72° | — | — |
| 2020 | 82° | 44° | 63° | — | — |
| 2019 | 66° | 56° | 61° | — | — |
| 2018 | 82° | 52° | 67° | — | — |
| 2017 | 72° | 46° | 59° | — | — |
| 2016 | 76° | 49° | 62° | — | — |
| 2015 | 71° | 41° | 56° | — | — |
| 2014 | 76° | 49° | 62° | — | — |
| 2013 | 71° | 50° | 61° | 1.27" | — |
| 2012 | 76° | 51° | 63° | — | — |
| 2011 | 75° | 48° | 62° | — | — |
| 2010 | 75° | 56° | 65° | — | — |
| 2009 | 92° | 57° | 74° | — | — |
| 2008 | 68° | 48° | 58° | 0.05" | — |
| 2007 | 66° | 46° | 56° | — | — |
| 2006 | 64° | 42° | 53° | 0.33" | — |
| 2005 | 58° | 47° | 52° | 0.84" | — |
| 2004 | 79° | 52° | 65° | 0.2" | — |
| 2003 | 63° | 54° | 58° | 0.56" | — |
| 2002 | 60° | 35° | 48° | — | — |
| 2001 | 68° | 46° | 57° | — | — |
| 2000 | 53° | 48° | 51° | 0.05" | — |
| 1999 | 77° | 45° | 61° | — | — |
| 1998 | 82° | 51° | 67° | 0.03" | — |
| 1997 | 70° | 36° | 53° | — | — |
| 1996 | 86° | 60° | 73° | — | — |
| 1995 | 72° | 38° | 55° | — | — |
| 1994 | 62° | 33° | 48° | — | — |
| 1993 | 63° | 47° | 55° | 0.05" | — |
| 1992 | 77° | 46° | 62° | 0.15" | — |
| 1991 | 83° | 48° | 65° | — | — |
| 1990coldest | 50° | 38° | 44° | 1.22" | — |
| 1989 | 88° | 57° | 72° | — | — |
| 1988 | 57° | 53° | 55° | 0.08" | — |
| 1987 | 60° | 37° | 49° | — | — |
| 1986 | 80° | 63° | 71° | 0.13" | — |
| 1985 | 84° | 53° | 69° | — | — |
| 1984 | 73° | 50° | 62° | 0.2" | — |
| 1983 | 65° | 55° | 60° | 0.97" | — |
| 1982 | 80° | 52° | 66° | 0.2" | — |
| 1981 | 74° | 38° | 56° | — | — |
| 1980 | 71° | 48° | 60° | — | — |
| 1979 | 72° | 55° | 63° | 0.58" | — |
| 1978 | 89° | 59° | 74° | 0.56" | — |
| 1977 | 85° | 51° | 68° | — | — |
| 1976 | 58° | 38° | 48° | 0.1" | — |
| 1975warmest | 92° | 58° | 75° | — | — |
| 1974 | 65° | 36° | 50° | — | — |
| 1973 | 70° | 50° | 60° | 3.43" | — |
| 1972 | 63° | 46° | 54° | 1.14" | — |
| 1971 | 74° | 50° | 62° | — | — |
55 years of data from MANCHESTER