Peterborough Snowfall Totals & Accumulation Averages





This page pulls together information on when, how much and how often Peterborough, Ontario has snow.

There are data and descriptions here of how many days it snows and the total amount of snowfall that Peterborough usually gets. There are also monthly and yearly counts of the days that Peterborough normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when the city can expect its first and last snowfalls of the season.

All the numbers are long-term historical averages based on weather data gathered from 1981 to 2010 in Peterborough.

How Often it Snows in Peterborough

This first table lists monthly and yearly totals for amount of snow and how many days it snows at least 0.2 centimetres (0.08 inches).

Average total snowfall and days with fresh snow in Peterborough
Days   Inches Centi­metres
10.3 January 14.6 37
6.6 February 12.9 33
4.4 March 7.7 19
1.4 April 1.3 3
0.3 October 0.5 1
2.7 November 3.3 8
8.2 December 14.0 36
33.9 Year 54.3 138

When Peterborough Has Its First & Last Snowfalls

The first snowfall of winter for Peterborough usually arrives in November, but can show up as early as October.

The season's last snowfall typically happens in March or April although in some years a late snow lands in May.

Peterborough is normally free of snow every year from June to September.

How Many Snowstorms Peterborough Gets

Most days of snowfall in Peterborough leave less than five centimetres (2 inches) of fresh snow on the ground. For nine days a year on average, the amount of new snow totals at least five cm.

Big snowstorms of over ten cm a day normally occur three or four times a year. But major blizzards that dump 25 cm or more in one day are rare events that only happen twice a decade. Storms this severe are most likely to appear in December or February.

Number of days per month and year on average in Peterborough with a total snowfall of at least 5, 10 or 20 centimetres
  5 cm
2.0 inches
10 cm
3.9 inches
25 cm
9.8 inches
January 2.4 0.5 0.0
February 2.3 1.3 0.1
March 1.3 0.8 0.0
April 0.2 0.1 0.0
October 0.1 0.0 0.0
November 0.5 0.2 0.0
December 2.7 0.9 0.1
Year 9.4 3.8 0.2

How Much Snow Normally Accumulates in Peterborough

For about 109 days a year, Peterborough has at least a centimetre of snow on the ground. In mid-winter the snowpack averages around 19 cm deep.

Average total days per month and year in Peterborough with snow depth of at least 1, 5, 10 or 20 cm on the ground
1 cm
0.4 inches
5 cm
2.0 inches
  10 cm
3.9 inches
20 cm
7.9 inches
29.6 28.1 January 23.2 14.3
26.1 23.7 February 18.6 10.2
21.6 17.8 March 13.9 6.4
2.1 1.4 April 0.6 0.0
0.2 0.1 October 0.0 0.0
5.1 3.3 November 1.4 0.3
24.6 17.4 December 11.6 5.6
109.3 91.8 Year 69.3 36.8
Reference

Environment Canada. Meteorological Service of Canada. Canadian Climate Normals. 1981-2010 Climate Normals & Averages.

Ontario Snowfall
Back to Top