Weather on August 31
Manchester, NH
55 Years of Data
Avg High
80°F
Avg Low
57°F
Warmest
2010
81°F avg
Coldest
1976
49°F avg
About This Date
August 31st in Manchester, NH typically brings warm summer weather, with average highs around 80°F and lows near 57°F. Over 55 years of records, the warmest August 31st was in 2010 (81°F average), while the coldest was 1976 (49°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 31st dates historically, with the wettest August 31st recording 5.92" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for August 31st in Manchester, NH? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 48° | 64° | — | — |
| 2024 | 79° | 56° | 67° | — | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 84° | 60° | 72° | 2.18" | — |
| 2021 | 84° | 65° | 74° | — | — |
| 2020 | 77° | 51° | 64° | — | — |
| 2019 | 79° | 57° | 68° | — | — |
| 2018 | 75° | 58° | 66° | — | — |
| 2017 | 76° | 51° | 63° | — | — |
| 2016 | 86° | 62° | 74° | — | — |
| 2015 | 88° | 65° | 76° | — | — |
| 2014 | 84° | 66° | 75° | 0.08" | — |
| 2013 | 81° | 69° | 75° | 0.36" | — |
| 2012 | 90° | 61° | 75° | — | — |
| 2011 | 84° | 58° | 71° | — | — |
| 2010warmest | 96° | 67° | 81° | — | — |
| 2009 | 71° | 54° | 62° | — | — |
| 2008 | 80° | 63° | 71° | — | — |
| 2007 | 82° | 64° | 73° | 0.03" | — |
| 2006 | 76° | 50° | 63° | — | — |
| 2005 | 82° | 70° | 76° | 1.07" | — |
| 2004 | 80° | 64° | 72° | 0.08" | — |
| 2003 | 80° | 54° | 67° | — | — |
| 2002 | 70° | 49° | 59° | — | — |
| 2001 | 85° | 68° | 76° | 0.03" | — |
| 2000 | 87° | 65° | 76° | — | — |
| 1999 | 77° | 52° | 64° | — | — |
| 1998 | 79° | 63° | 71° | 0.03" | — |
| 1997 | 80° | 50° | 65° | — | — |
| 1996 | 84° | 51° | 68° | — | — |
| 1995 | 78° | 44° | 61° | — | — |
| 1994 | 73° | 51° | 62° | — | — |
| 1993 | 92° | 61° | 76° | — | — |
| 1992 | 79° | 57° | 68° | — | — |
| 1991 | — | 65° | — | 1.37" | — |
| 1990 | 86° | 48° | 67° | — | — |
| 1989 | 85° | 52° | 68° | — | — |
| 1988 | 73° | 49° | 61° | 0.03" | — |
| 1987 | 78° | 48° | 63° | — | — |
| 1986 | 73° | 45° | 59° | — | — |
| 1985 | 60° | 50° | 55° | 2.82" | — |
| 1984 | 85° | 64° | 74° | — | — |
| 1983 | 77° | 62° | 70° | 5.92" | — |
| 1982 | 74° | 52° | 63° | — | — |
| 1981 | 74° | 52° | 63° | — | — |
| 1980 | 84° | 65° | 74° | 0.03" | — |
| 1979 | 85° | 60° | 72° | 0.1" | — |
| 1978 | 82° | 61° | 71° | — | — |
| 1977 | 81° | 61° | 71° | — | — |
| 1976coldest | 60° | 37° | 49° | — | — |
| 1975 | 65° | 45° | 55° | 0.13" | — |
| 1974 | 64° | 55° | 60° | 0.64" | — |
| 1973 | 95° | 65° | 80° | — | — |
| 1972 | 88° | 49° | 68° | — | — |
| 1971 | 88° | 55° | 71° | — | — |
55 years of data from MANCHESTER