London · United Kingdom

London in December: every year compared

In December, London averages highs of 7.9 °C and lows of 3.4 °C, with 57 mm of precipitation. The warmest December was 2015 (11.1 °C), the coldest 2010 (0.8 °C).

Avg. highAvg. high 7.9 °C

Avg. lowAvg. low 3.4 °C

PrecipitationPrecipitation 57 mm

Rainy daysRainy days 11

Day by day through December

Normal high and low for each day of December in London.

Normal high and low, day by dayNormal 1991–2020

Every December in London, ranked

86 months of December since 1940. The last one, 2025, ranks 4 of 86 (+1.9 °C vs normal).

194019832025

2025 · 7.6 °C · +1.9 °C vs normal · rank 4 of 86

Warmest years

1201511.1 °C
219748.3 °C
320238.2 °C
419887.6 °C
520187.6 °C

Coldest years

120100.8 °C
219501.3 °C
319811.5 °C
419622.1 °C
519762.5 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Frost days	Snowfall	Rainy days
2025	7.6 °C	9.7 °C	5.2 °C	43 mm	2 days	0 cm	8 days
2024	7.5 °C	9.4 °C	5.6 °C	43 mm	0 days	0 cm	8 days
2023	8.2 °C	10.0 °C	6.0 °C	77 mm	3 days	0 cm	13 days
2022	4.7 °C	7.1 °C	2.2 °C	55 mm	12 days	2 cm	11 days
2021	7.5 °C	9.4 °C	5.4 °C	79 mm	2 days	1 cm	18 days
2020	5.9 °C	8.0 °C	3.6 °C	91 mm	4 days	3 cm	16 days
2019	6.7 °C	9.3 °C	4.0 °C	98 mm	3 days	0 cm	16 days
2018	7.6 °C	9.8 °C	5.2 °C	50 mm	1 day	0 cm	9 days
2017	5.5 °C	7.8 °C	3.0 °C	95 mm	9 days	12 cm	13 days
2016	6.6 °C	9.2 °C	4.0 °C	8 mm	6 days	0 cm	2 days
2015	11.1 °C	12.8 °C	9.0 °C	51 mm	0 days	0 cm	15 days
2014	5.9 °C	8.8 °C	3.3 °C	35 mm	8 days	0 cm	7 days
2013	6.8 °C	9.5 °C	4.1 °C	82 mm	0 days	0 cm	14 days
2012	5.6 °C	7.9 °C	3.0 °C	86 mm	8 days	1 cm	16 days
2011	6.7 °C	8.9 °C	4.2 °C	58 mm	3 days	1 cm	15 days
2010	0.8 °C	2.7 °C	-1.6 °C	30 mm	21 days	13 cm	7 days
2009	4.1 °C	6.1 °C	1.9 °C	63 mm	10 days	5 cm	16 days
2008	4.4 °C	6.5 °C	2.4 °C	29 mm	8 days	0 cm	4 days
2007	5.8 °C	8.2 °C	3.4 °C	38 mm	7 days	0 cm	8 days
2006	7.2 °C	9.4 °C	5.1 °C	58 mm	4 days	0 cm	13 days
2005	4.8 °C	7.2 °C	2.4 °C	29 mm	7 days	2 cm	7 days
2004	5.7 °C	7.9 °C	3.0 °C	35 mm	4 days	0 cm	7 days
2003	5.8 °C	8.0 °C	3.4 °C	50 mm	3 days	0 cm	11 days
2002	6.7 °C	8.2 °C	5.1 °C	102 mm	0 days	0 cm	15 days
2001	4.1 °C	6.6 °C	1.3 °C	21 mm	11 days	0 cm	8 days
2000	6.5 °C	8.1 °C	4.7 °C	66 mm	6 days	2 cm	11 days
1999	5.5 °C	7.6 °C	3.2 °C	82 mm	4 days	2 cm	15 days
1998	6.4 °C	8.4 °C	4.2 °C	65 mm	4 days	0 cm	13 days
1997	6.5 °C	8.4 °C	4.4 °C	61 mm	1 day	5 cm	16 days
1996	3.6 °C	5.3 °C	1.9 °C	25 mm	8 days	2 cm	6 days
1995	3.0 °C	4.8 °C	1.2 °C	85 mm	12 days	7 cm	13 days
1994	6.9 °C	9.2 °C	4.0 °C	63 mm	7 days	0 cm	12 days
1993	6.2 °C	8.4 °C	3.7 °C	80 mm	2 days	3 cm	18 days
1992	4.4 °C	6.5 °C	2.0 °C	45 mm	9 days	0 cm	7 days
1991	4.5 °C	6.7 °C	2.2 °C	18 mm	11 days	0 cm	4 days
1990	4.7 °C	6.8 °C	2.5 °C	52 mm	6 days	3 cm	12 days
1989	6.2 °C	8.1 °C	3.9 °C	84 mm	1 day	0 cm	13 days
1988	7.6 °C	9.5 °C	5.5 °C	14 mm	0 days	0 cm	3 days
1987	6.3 °C	8.0 °C	4.4 °C	20 mm	4 days	0 cm	7 days
1986	6.5 °C	8.7 °C	4.0 °C	56 mm	2 days	0 cm	10 days
1985	7.5 °C	9.1 °C	5.4 °C	84 mm	5 days	0 cm	14 days
1984	5.7 °C	8.1 °C	3.0 °C	52 mm	6 days	0 cm	15 days
1983	5.7 °C	7.9 °C	3.2 °C	58 mm	9 days	1 cm	11 days
1982	4.8 °C	7.2 °C	2.3 °C	62 mm	8 days	0 cm	10 days
1981	1.5 °C	3.7 °C	-1.2 °C	70 mm	16 days	30 cm	11 days
1980	5.7 °C	7.6 °C	3.3 °C	32 mm	6 days	0 cm	7 days
1979	6.5 °C	8.6 °C	4.3 °C	81 mm	5 days	4 cm	12 days
1978	5.0 °C	6.9 °C	2.6 °C	99 mm	11 days	10 cm	20 days
1977	6.7 °C	8.5 °C	4.9 °C	61 mm	0 days	0 cm	9 days
1976	2.5 °C	4.5 °C	0.1 °C	53 mm	11 days	6 cm	11 days
1975	4.6 °C	6.7 °C	2.0 °C	26 mm	10 days	0 cm	5 days
1974	8.3 °C	10.3 °C	6.0 °C	35 mm	0 days	1 cm	7 days
1973	5.3 °C	7.6 °C	2.7 °C	35 mm	7 days	0 cm	11 days
1972	6.3 °C	8.6 °C	3.7 °C	55 mm	4 days	0 cm	9 days
1971	6.8 °C	8.6 °C	4.9 °C	16 mm	1 day	0 cm	4 days
1970	4.2 °C	6.1 °C	1.6 °C	48 mm	12 days	16 cm	11 days
1969	3.9 °C	5.6 °C	1.3 °C	51 mm	12 days	5 cm	15 days
1968	3.2 °C	4.8 °C	1.1 °C	40 mm	10 days	5 cm	8 days
1967	4.5 °C	6.7 °C	1.5 °C	48 mm	12 days	2 cm	10 days
1966	5.3 °C	8.1 °C	2.1 °C	58 mm	7 days	0 cm	17 days
1965	4.9 °C	7.5 °C	2.0 °C	85 mm	7 days	0 cm	16 days
1964	3.8 °C	6.2 °C	1.2 °C	41 mm	12 days	5 cm	9 days
1963	2.5 °C	4.5 °C	0.4 °C	6 mm	16 days	0 cm	2 days
1962	2.1 °C	4.7 °C	-0.6 °C	56 mm	22 days	23 cm	10 days
1961	3.8 °C	6.3 °C	1.1 °C	61 mm	15 days	2 cm	12 days
1960	4.1 °C	6.3 °C	1.4 °C	56 mm	8 days	0 cm	11 days
1959	6.3 °C	8.6 °C	3.8 °C	99 mm	1 day	0 cm	18 days
1958	5.2 °C	7.5 °C	2.8 °C	46 mm	3 days	0 cm	9 days
1957	4.4 °C	6.7 °C	1.9 °C	48 mm	9 days	0 cm	8 days
1956	5.7 °C	7.6 °C	3.6 °C	43 mm	8 days	3 cm	10 days
1955	6.2 °C	8.8 °C	3.3 °C	52 mm	5 days	0 cm	13 days
1954	6.6 °C	8.9 °C	3.6 °C	27 mm	4 days	0 cm	7 days
1953	7.4 °C	9.3 °C	5.2 °C	18 mm	1 day	0 cm	5 days
1952	3.1 °C	5.3 °C	0.7 °C	46 mm	12 days	3 cm	12 days
1951	5.9 °C	8.3 °C	3.4 °C	49 mm	7 days	0 cm	11 days
1950	1.3 °C	3.0 °C	-0.9 °C	40 mm	20 days	10 cm	10 days
1949	6.0 °C	8.5 °C	3.2 °C	28 mm	3 days	0 cm	8 days
1948	6.2 °C	8.4 °C	3.9 °C	65 mm	6 days	0 cm	15 days
1947	5.7 °C	7.8 °C	3.5 °C	32 mm	3 days	0 cm	7 days
1946	2.6 °C	5.2 °C	-0.0 °C	46 mm	19 days	0 cm	10 days
1945	5.4 °C	8.0 °C	2.6 °C	55 mm	10 days	0 cm	13 days
1944	3.2 °C	5.7 °C	0.9 °C	34 mm	11 days	0 cm	6 days
1943	3.5 °C	6.0 °C	1.0 °C	16 mm	10 days	0 cm	6 days
1942	7.0 °C	9.0 °C	4.9 °C	36 mm	4 days	3 cm	11 days
1941	5.8 °C	8.3 °C	3.2 °C	8 mm	7 days	0 cm	2 days
1940	3.5 °C	5.6 °C	1.2 °C	21 mm	11 days	1 cm	9 days

December records

Hottest day

15.4 °C

December 19, 2015 estimate

Coldest night

-12.6 °C

December 13, 1981 estimate

Wettest day

26 mm

December 24, 1999 estimate

The weather on your birthday in London

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is London in December?

Highs average 7.9 °C and lows 3.4 °C. A typical December brings 0 hot days (30 °C or more) and 6 frost days.

Does it rain a lot in London in December?

About 57 mm falls in December, over some 11 days with at least 1 mm. The wettest December was 2002 (102 mm), the driest 1963 (6 mm).

What was the warmest December in London?

2015, with a mean temperature of 11.1 °C. The coldest was 2010 (0.8 °C). The last one, 2025, ranks 4 of 86.