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
YearHighLowAvgPrecipSnow
202545°30°37°
202427°14°21°0.1"
202335°22°29°
202239°21°30°
202144°24°34°
202037°25°31°
201930°11°21°
2018warmest66°35°51°1.93"
201729°20°25°
201642°19°31°
201551°30°41°
201433°29°31°
201356°34°45°
201253°34°43°1.83"
201136°22°29°0.15"
201039°25°32°
200930°18°24°
200825°11°18°0.91"
200727°10°19°
200652°36°44°
200528°10°19°
200426°-1°13°
200332°14°23°
200243°34°38°
200136°29°32°
200030°14°22°0.25"
199947°34°40°0.15"
199834°29°31°0.03"
199730°17°24°
199629°15°22°
199526°13°19°0.18"0.8"
199438°11°24°
199342°21°32°1.52"
199246°36°41°
199125°15°0.15"0.5"
199048°21°35°
198925°12°
198856°23°39°
198738°20°29°0.13"
198640°22°31°
198528°17°
198432°22°27°
198337°19°
198231°25°28°0.8"
198121°11°
1980coldest20°-8°
197923°13°
197833°15°24°1.57"0.5"
197733°27°30°0.28"1"
197633°23°28°1.27"1"
197517°10°0.89"11"
197441°31°36°
197355°21°38°0.61"
197231°15°23°0.15"2"
197125°12°0.25"0.6"
55 years of data from MANCHESTER

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.