Weather on December 21
Manchester, NH
55 Years of Data
Avg High
36°F
Avg Low
19°F
Warmest
2018
51°F avg
Coldest
1980
6°F avg
About This Date
December 21st in Manchester, NH typically brings cold winter weather, with average highs around 36°F and lows near 19°F. Over 55 years of records, the warmest December 21st was in 2018 (51°F average), while the coldest was 1980 (6°F) — a 45°F range across recorded history. Precipitation has occurred on 33% of recorded December 21st dates, with snow falling 18% of the time (heaviest snowfall: 11"). The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Manchester, NH? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 30° | 37° | — | — |
| 2024 | 27° | 14° | 21° | — | 0.1" |
| 2023 | 35° | 22° | 29° | — | — |
| 2022 | 39° | 21° | 30° | — | — |
| 2021 | 44° | 24° | 34° | — | — |
| 2020 | 37° | 25° | 31° | — | — |
| 2019 | 30° | 11° | 21° | — | — |
| 2018warmest | 66° | 35° | 51° | 1.93" | — |
| 2017 | 29° | 20° | 25° | — | — |
| 2016 | 42° | 19° | 31° | — | — |
| 2015 | 51° | 30° | 41° | — | — |
| 2014 | 33° | 29° | 31° | — | — |
| 2013 | 56° | 34° | 45° | — | — |
| 2012 | 53° | 34° | 43° | 1.83" | — |
| 2011 | 36° | 22° | 29° | 0.15" | — |
| 2010 | 39° | 25° | 32° | — | — |
| 2009 | 30° | 18° | 24° | — | — |
| 2008 | 25° | 11° | 18° | 0.91" | — |
| 2007 | 27° | 10° | 19° | — | — |
| 2006 | 52° | 36° | 44° | — | — |
| 2005 | 28° | 10° | 19° | — | — |
| 2004 | 26° | -1° | 13° | — | — |
| 2003 | 32° | 14° | 23° | — | — |
| 2002 | 43° | 34° | 38° | — | — |
| 2001 | 36° | 29° | 32° | — | — |
| 2000 | 30° | 14° | 22° | 0.25" | — |
| 1999 | 47° | 34° | 40° | 0.15" | — |
| 1998 | 34° | 29° | 31° | 0.03" | — |
| 1997 | 30° | 17° | 24° | — | — |
| 1996 | 29° | 15° | 22° | — | — |
| 1995 | 26° | 13° | 19° | 0.18" | 0.8" |
| 1994 | 38° | 11° | 24° | — | — |
| 1993 | 42° | 21° | 32° | 1.52" | — |
| 1992 | 46° | 36° | 41° | — | — |
| 1991 | 25° | 5° | 15° | 0.15" | 0.5" |
| 1990 | 48° | 21° | 35° | — | — |
| 1989 | 25° | 0° | 12° | — | — |
| 1988 | 56° | 23° | 39° | — | — |
| 1987 | 38° | 20° | 29° | 0.13" | — |
| 1986 | 40° | 22° | 31° | — | — |
| 1985 | 28° | 5° | 17° | — | — |
| 1984 | 32° | 22° | 27° | — | — |
| 1983 | 37° | 2° | 19° | — | — |
| 1982 | 31° | 25° | 28° | — | 0.8" |
| 1981 | 21° | 0° | 11° | — | — |
| 1980coldest | 20° | -8° | 6° | — | — |
| 1979 | 23° | 4° | 13° | — | — |
| 1978 | 33° | 15° | 24° | 1.57" | 0.5" |
| 1977 | 33° | 27° | 30° | 0.28" | 1" |
| 1976 | 33° | 23° | 28° | 1.27" | 1" |
| 1975 | 17° | 3° | 10° | 0.89" | 11" |
| 1974 | 41° | 31° | 36° | — | — |
| 1973 | 55° | 21° | 38° | 0.61" | — |
| 1972 | 31° | 15° | 23° | 0.15" | 2" |
| 1971 | 25° | 0° | 12° | 0.25" | 0.6" |
55 years of data from MANCHESTER