London Snowfall Totals & Accumulation Averages

How Often it Snows in London

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 London

Days		Inches	Centi­metres
15.3	January	19.4	49
12.1	February	15.1	38
9.1	March	11.6	29
3.5	April	3.7	9
0.2	May	0.2	0
1.2	October	1.3	3
5.7	November	6.5	17
13.2	December	18.7	48
60.3	Year	76.5	194

When London Has Its First & Last Snowfalls

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

The season's last snowfall typically happens in April. In some years a late skiff or even a few centimetres of snow lands in May, and quickly melts.

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

How Many Snowstorms London Gets

Most days of snowfall in London leave less than five centimetres (2 inches), of fresh snow on the ground. For 13 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 about four times a year. But major blizzards that dump 25 cm or more in one day are rare events that happen only once a decade.

Number of days per month and year on average in London 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	3.3	0.8	0.0
February	2.4	0.8	0.0
March	2.1	0.6	0.0
April	0.6	0.2	0.0
May	0.1	0.0	0.0
October	0.1	0.0	0.0
November	1.2	0.3	0.0
December	3.5	1.0	0.0
Year	13.2	3.7	0.1

How Much Snow Normally Accumulates in London

For about 84 days a year, London has at least a centimetre of snow on the ground. In mid-winter the snowpack averages around 11 cm deep.

Generally the snow cover begins to build in late December and accumulates further during January.

By the end of March the snow has mainly melted. April rarely has snow deeper than 5 cm.

Average total days per month and year in London 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
24.8	19.0	January	13.7	7.0
22.3	17.8	February	12.4	4.5
14.2	8.3	March	4.6	1.0
1.3	0.5	April	0.2	0.0
0.3	0.0	October	0.0	0.0
4.0	1.1	November	0.2	0.0
16.6	10.4	December	5.1	1.7
83.5	57.1	Year	36.3	14.2