Nashua Snowfall Totals & Snowstorm Averages

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This page pulls together information on when, how much and how often Nashua, New Hampshire has snow.

There are data and descriptions of how many days it snows and the total amount of snowfall that Nashua usually gets. There are also monthly and yearly counts of the days that Nashua normally has heavy snowstorms. Plus there's information on when Nashua can expect the first and last snowfalls of winter.

All the numbers are averages, based on weather data gathered from 1981 to 2010 in Nashua.

How Often it Snows in Nashua

This first table lists monthly and yearly totals for amount of snow and how many days it snows at least 0.1 inches (0.25 centimetres).

Average total snowfall and days with fresh snow in Nashua
Days   Inches Centimetres
  5.7 January 16.5   41.9
  4.2 February 13.2   33.5
  3.5 March 10.7   27.2
  0.4 April   0.8     2.0
  1.0 November   2.1     5.3
  3.9 December 11.6   29.5
18.7 Year 54.9 139.4

These averages don't show how much the snowfall in Nashua varies from year to year.

In December, for instance, one in four years totals over 17 inches of snow. Another 25 percent of years receive six inches or less for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to over 20.4 inches, while the lightest years get less than 6.6 inches.

New snow for February ranges from over 19.3 inches in heavy snowfall years to under 6.1 inches in light years.

When Nashua Has Its First & Last Snowfalls

The first snowfall of winter for Nashua usually arrives in December. Some years start to see snow in November.

The season's last snowfall typically happens in March, but can occur as late as April.

Nashua is normally free of snow every year from May to October.

How Many Snowstorms Nashua Gets

Most days of snowfall in Nashua leave at least an inch of fresh snow on the ground. For six or seven days a year on average, the amount of new snow totals three inches or more.

Snowstorms of over five inches a day normally occur about four times a year. But major blizzards that dump ten inches or more in one day are rare events that don't happen every year.

Number of days per month and year on average in Nashua with a total snowfall of at least 1, 3, 5 or 10 inches
1 inch
2.5 cm
3 inches
7.6 cm
  5 inches
12.7 cm
10 inches
25.4 cm
  4.3 2.0 January 1.0 0.2
  3.2 1.2 February 0.6 0.2
  2.5 1.4 March 0.9 0.2
  0.2 0.1 April 0.1 0.0
  0.8 0.3 November 0.1 0.0
  3.2 1.5 December 1.0 0.1
14.2 6.5 Year 3.7 0.7
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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