December Temperatures in the United Kingdom

Average temperatures for December at cities and towns throughout the United Kingdom are listed below in degrees Celsius and Fahrenheit.

The tables give the normals for maximum and minimum daily temperatures based on weather data collected from 1991 to 2020.

Across the UK, December temperatures average a daily high of 7 degrees Celsius (45 degrees Fahrenheit) and a low of 1 °C (35 °F).

Southern England

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
45	35	Birmingham	7	2
45	35	Bristol	7	2
48	40	Dover	9	4
51	45	Isles of Scilly	11	7
48	39	London, Greenwich	9	4
48	36	London, Kew Gardens	9	2
46	36	Norwich	8	2
45	36	Nottingham	7	2
49	41	Plymouth	10	5
49	38	Southampton	9	4
45	35	Stoke-on-Trent	7	2
49	41	Weymouth	10	5
48	37	Worthing	9	3

Average daily temperatures in December
High °F	Low °F	Place	High °C	Low °C
45	35	Ambleside, Windermere Lake	7	2
45	36	Berwick-upon-Tweed	7	2
45	35	Dumfries	7	2
46	36	Hull	8	2
46	38	Liverpool	8	3
45	34	Manchester	7	1
45	34	Middlesbrough	7	1
48	38	Newcastle upon Tyne	9	3
46	36	Prestwick	8	2
42	32	Rochester, Northumberland Park	6	0
45	37	Sheffield	7	3

December temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
48	37	Cardiff	9	3
48	38	Harlech	9	3
45	35	Llandrindod Wells	7	2
47	38	Rhyl	9	3
48	41	Swansea	9	5

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
44	34	Aberdeen	7	1
44	33	Dundee	7	1
45	35	Edinburgh	7	2
45	36	Glasgow	7	2
45	35	Inverness	7	1
45	37	Kirkwall, Orkney Islands	7	3
44	36	Lerwick, Shetland Islands	7	2
46	37	Stornoway, Outer Hebrides	8	3
47	39	Tiree, Inner Hebrides	9	4

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
46	36	Armagh	8	2
47	36	Belfast	8	2
46	35	Castlederg	8	2
47	37	Londonderry	8	3
48	39	Warrenpoint	9	4