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Manchester, NH Weather on April 21
April 21st in Manchester, NH typically brings mild spring weather, with average highs around 62°F and lows near 37°F — a 25°F daily swing. Over 55 years of records, the warmest April 21st was in 2012 (67°F average), while the coldest was 1981 (38°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 29% of April 21st dates historically, with the wettest April 21st recording 5.51" of rain. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on April 21
Planning for April 21st in Manchester, NH? Great weather for outdoor activities.
April 21 Weather Records for Manchester
- •The all-time record high for April 21st in Manchester, NH is 82°F, set in 1976.
- •The coldest April 21st on record dropped to 21°F in 1994.
- •A freeze (32°F or below) has occurred on April 21st in 10 of the last 55 years.
- •Last year (1971), April 21st was 7°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 21 ever in Manchester?
The warmest April 21 in Manchester, NH reached 82°F in 1976. That is 20°F above the long-term average high of 62°F.
What was the coldest April 21 ever in Manchester?
The coldest April 21 in Manchester, NH dropped to 21°F in 1994. That is 16°F below the long-term average low of 37°F.
What is the average temperature on April 21 in Manchester?
On April 21, Manchester averages a high of 62°F and a low of 37°F based on 55 years of NOAA weather observations from MANCHESTER.
How many years of weather data are available for April 21 in Manchester?
We have 55 years of weather records for April 21 in Manchester, NH, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 21 Weather History in Manchester
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 66°F | 34°F | 0" | -- |
| 2024 | 55°F | 32°F | 0" | -- |
| 2023 | 61°F | 42°F | 0" | -- |
| 2022 | 66°F | 33°F | 0" | -- |
| 2021 | 68°F | 35°F | 1.02" | -- |
| 2020 | 55°F | 33°F | 0.79" | -- |
| 2019 | 70°F | 56°F | 1.02" | -- |
| 2018 | 61°F | 34°F | 0" | -- |
| 2017 | 46°F | 42°F | 1.04" | -- |
| 2016 | 79°F | 34°F | 0" | -- |
| 2015 | 63°F | 42°F | 0.48" | -- |
| 2014 | 73°F | 34°F | 0" | -- |
| 2013 | 54°F | 35°F | 0" | -- |
| 2012 | 78°F | 56°F | 0" | -- |
| 2011 | 52°F | 37°F | 0" | -- |
| 2010 | 72°F | 39°F | 0" | -- |
| 2009 | 50°F | 42°F | 3.35" | -- |
| 2008 | 71°F | 41°F | 0" | -- |
| 2007 | 76°F | 36°F | 0" | -- |
| 2006 | 61°F | 39°F | 0" | -- |
| 2005 | 58°F | 41°F | 0.81" | -- |
| 2004 | 61°F | 39°F | 0" | -- |
| 2003 | 68°F | 36°F | 0" | -- |
| 2002 | 52°F | 38°F | 0" | -- |
| 2001 | 68°F | 37°F | 0.05" | -- |
| 2000 | 48°F | 39°F | 5.51" | -- |
| 1999 | 64°F | 39°F | 0" | -- |
| 1998 | 64°F | 34°F | 0" | -- |
| 1997 | 59°F | 34°F | 0" | -- |
| 1996 | 67°F | 46°F | 0" | -- |
| 1995 | 64°F | 33°F | 0" | -- |
| 1994 | 56°F | 21°F | 0" | -- |
| 1993 | 76°F | 29°F | 0" | -- |
| 1992 | 75°F | 44°F | 0" | -- |
| 1991 | 40°F | 37°F | 0.76" | -- |
| 1990 | 61°F | 32°F | 0.46" | -- |
| 1989 | 58°F | 27°F | 0" | -- |
| 1988 | 53°F | 25°F | 0" | -- |
| 1987 | 53°F | 53°F | 0" | -- |
| 1986 | 65°F | 43°F | 0" | -- |
| 1985 | 64°F | 40°F | 0" | -- |
| 1984 | 58°F | 42°F | 0.23" | -- |
| 1983 | 45°F | 33°F | 0.05" | -- |
| 1982 | 72°F | 53°F | 0" | -- |
| 1981 | 50°F | 26°F | 0.1" | -- |
| 1980 | 74°F | 41°F | 0" | -- |
| 1979 | 65°F | 27°F | 0" | -- |
| 1978 | 50°F | 40°F | 0.74" | -- |
| 1977 | 73°F | 46°F | 0" | -- |
| 1976 | 82°F | 46°F | 0" | -- |
| 1975 | 65°F | 33°F | 0" | -- |
| 1974 | 60°F | 29°F | 0" | -- |
| 1973 | 61°F | 34°F | 0" | -- |
| 1972 | 49°F | 29°F | 1.32" | -- |
| 1971 | 69°F | 39°F | 0" | -- |
Based on 55 years of data from NOAA station: MANCHESTER
Monthly Climate Averages
Historical temperature and precipitation averages for Manchester, NH, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.