Average Precipitation for the United Kingdom in December

The tables below give monthly averages for rainfall plus snowfall during December at cities and towns in the United Kingdom.

Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation. The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches).

The month's total precipitation is an average of weather data collected from 1991 to 2020.

In December, the entire UK averages 16 days of rain or snow, totalling 127 millimetres (5.0 inches).

Southern England

Average monthly precipitation in December
Days	Place	Inches	Millimetres
13	Birmingham	3.3	84
13	Bristol	3.2	82
–	Dover	3.7	95
16	Isles of Scilly	3.9	100
10	London, Greenwich	2.0	51
11	London, Kew Gardens	2.3	59
13	Norwich	2.5	64
12	Nottingham	2.7	70
16	Plymouth	4.9	125
13	Southampton	3.8	97
13	Stoke-on-Trent	3.2	82
13	Weymouth	3.6	92
13	Worthing	3.4	87

Northern England

December averages for total rainfall plus snowfall
Days	Place	Inches	Millimetres
–	Ambleside, Windermere Lake	10.8	274
–	Berwick-upon-Tweed	1.9	48
16	Dumfries	5.2	132
12	Hull	2.4	60
15	Liverpool	3.6	92
16	Manchester	3.8	97
–	Middlesbrough	2.1	52
13	Newcastle upon Tyne	4.1	103
17	Prestwick	4.1	104
15	Rochester, Northumberland Park	3.9	99
14	Sheffield	3.4	87

Wales

Average amount of rain and snow in December
Days	Place	Inches	Millimetres
15	Cardiff	5.5	140
18	Harlech	5.6	143
–	Llandrindod Wells	5.4	137
16	Rhyl	3.8	97
16	Swansea	4.5	114

Scotland

Precipitation totals for December
Days	Place	Inches	Millimetres
13	Aberdeen	3.1	78
12	Dundee	2.6	66
12	Edinburgh	2.7	67
17	Glasgow	6.4	161
14	Inverness	2.9	73
20	Kirkwall, Orkney Islands	4.5	114
23	Lerwick, Shetland Islands	5.9	150
21	Stornoway, Outer Hebrides	5.5	139
21	Tiree, Inner Hebrides	5.8	147

Northern Ireland

Total precipitation during December
Days	Place	Inches	Millimetres
14	Armagh	3.2	81
15	Belfast	3.7	93
19	Castlederg	5.2	133
17	Londonderry	3.8	96
15	Warrenpoint	4.4	111

Average December Precipitation in the United Kingdom

Southern England

Northern England

Wales

Scotland

Northern Ireland

Reference

More on Weather in the United Kingdom