Longyearbyen · Svalbard & Jan Mayen

Longyearbyen in December: every year compared

In December, Longyearbyen averages highs of -8.4 °C and lows of -12.9 °C, with 45 mm of precipitation. The warmest December was 1984 (-3.5 °C), the coldest 1988 (-22.5 °C).

Avg. highAvg. high -8.4 °C

Avg. lowAvg. low -12.9 °C

PrecipitationPrecipitation 45 mm

Rainy daysRainy days 10

Day by day through December

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

Normal high and low, day by dayNormal 1991–2020

Every December in Longyearbyen, ranked

86 months of December since 1940. The last one, 2025, ranks 7 of 86 (+4.1 °C vs normal).

194019832025

2025 · -6.5 °C · +4.1 °C vs normal · rank 7 of 86

Warmest years

11984-3.5 °C
22005-5.2 °C
32017-5.4 °C
41956-6.0 °C
52009-6.0 °C

Coldest years

11988-22.5 °C
21980-20.2 °C
32003-19.9 °C
41987-19.7 °C
51983-19.6 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Frost days	Snowfall	Rainy days
2025	-6.5 °C	-4.9 °C	-8.1 °C	32 mm	29 days	22 cm	12 days
2024	-9.4 °C	-7.7 °C	-11.3 °C	24 mm	31 days	17 cm	8 days
2023	-6.6 °C	-4.8 °C	-8.5 °C	43 mm	31 days	30 cm	10 days
2022	-9.6 °C	-7.3 °C	-12.1 °C	48 mm	31 days	30 cm	10 days
2021	-7.3 °C	-5.4 °C	-9.4 °C	19 mm	31 days	19 cm	5 days
2020	-8.4 °C	-6.1 °C	-10.7 °C	30 mm	30 days	26 cm	11 days
2019	-12.2 °C	-9.9 °C	-14.6 °C	14 mm	31 days	12 cm	5 days
2018	-6.7 °C	-4.6 °C	-8.7 °C	82 mm	30 days	62 cm	15 days
2017	-5.4 °C	-3.6 °C	-7.0 °C	52 mm	31 days	40 cm	12 days
2016	-7.1 °C	-5.2 °C	-9.4 °C	70 mm	31 days	52 cm	13 days
2015	-6.9 °C	-4.8 °C	-9.1 °C	86 mm	29 days	55 cm	14 days
2014	-11.7 °C	-9.9 °C	-13.5 °C	29 mm	31 days	26 cm	8 days
2013	-10.1 °C	-7.8 °C	-12.5 °C	9 mm	31 days	11 cm	4 days
2012	-9.0 °C	-6.3 °C	-11.8 °C	65 mm	31 days	49 cm	11 days
2011	-7.8 °C	-5.9 °C	-10.0 °C	24 mm	31 days	21 cm	8 days
2010	-13.0 °C	-10.2 °C	-15.6 °C	38 mm	31 days	30 cm	11 days
2009	-6.0 °C	-4.5 °C	-7.8 °C	50 mm	31 days	36 cm	8 days
2008	-9.3 °C	-6.2 °C	-12.3 °C	57 mm	31 days	46 cm	11 days
2007	-9.1 °C	-7.0 °C	-11.4 °C	56 mm	31 days	44 cm	10 days
2006	-7.6 °C	-5.6 °C	-9.9 °C	41 mm	30 days	34 cm	9 days
2005	-5.2 °C	-3.4 °C	-7.1 °C	25 mm	31 days	25 cm	10 days
2004	-8.2 °C	-6.0 °C	-10.5 °C	77 mm	31 days	60 cm	15 days
2003	-19.9 °C	-18.2 °C	-21.7 °C	13 mm	31 days	11 cm	4 days
2002	-10.1 °C	-8.0 °C	-12.2 °C	47 mm	28 days	27 cm	9 days
2001	-10.5 °C	-7.8 °C	-12.8 °C	42 mm	29 days	30 cm	11 days
2000	-12.0 °C	-10.0 °C	-14.0 °C	22 mm	31 days	21 cm	6 days
1999	-11.4 °C	-9.6 °C	-13.3 °C	6 mm	31 days	9 cm	1 day
1998	-14.7 °C	-12.4 °C	-17.0 °C	68 mm	31 days	53 cm	13 days
1997	-11.9 °C	-8.7 °C	-15.0 °C	61 mm	31 days	49 cm	18 days
1996	-17.5 °C	-15.6 °C	-19.4 °C	16 mm	31 days	11 cm	7 days
1995	-16.3 °C	-13.9 °C	-19.1 °C	94 mm	29 days	60 cm	12 days
1994	-9.4 °C	-7.0 °C	-12.2 °C	46 mm	31 days	36 cm	9 days
1993	-13.0 °C	-10.8 °C	-15.2 °C	42 mm	30 days	28 cm	7 days
1992	-14.0 °C	-11.6 °C	-16.3 °C	33 mm	31 days	27 cm	9 days
1991	-14.6 °C	-11.9 °C	-17.3 °C	57 mm	31 days	44 cm	11 days
1990	-11.1 °C	-8.7 °C	-13.5 °C	91 mm	31 days	71 cm	19 days
1989	-17.0 °C	-14.9 °C	-19.1 °C	29 mm	31 days	23 cm	6 days
1988	-22.5 °C	-19.8 °C	-24.9 °C	16 mm	31 days	18 cm	3 days
1987	-19.7 °C	-17.5 °C	-22.0 °C	20 mm	31 days	18 cm	5 days
1986	-13.9 °C	-12.1 °C	-15.8 °C	6 mm	31 days	7 cm	2 days
1985	-15.1 °C	-13.0 °C	-17.4 °C	17 mm	31 days	14 cm	3 days
1984	-3.5 °C	-1.4 °C	-5.5 °C	67 mm	29 days	47 cm	19 days
1983	-19.6 °C	-16.8 °C	-22.3 °C	4 mm	31 days	6 cm	1 day
1982	-14.8 °C	-12.4 °C	-17.3 °C	36 mm	31 days	29 cm	9 days
1981	-17.8 °C	-15.2 °C	-20.5 °C	15 mm	31 days	14 cm	4 days
1980	-20.2 °C	-17.7 °C	-22.6 °C	11 mm	31 days	10 cm	2 days
1979	-13.4 °C	-10.6 °C	-16.2 °C	21 mm	31 days	20 cm	4 days
1978	-12.1 °C	-9.6 °C	-14.7 °C	44 mm	31 days	31 cm	11 days
1977	-10.0 °C	-7.8 °C	-12.3 °C	54 mm	30 days	37 cm	14 days
1976	-8.8 °C	-6.9 °C	-10.9 °C	34 mm	31 days	23 cm	10 days
1975	-19.2 °C	-17.5 °C	-21.0 °C	17 mm	31 days	12 cm	4 days
1974	-7.3 °C	-5.7 °C	-9.2 °C	40 mm	31 days	28 cm	15 days
1973	-17.2 °C	-15.2 °C	-19.2 °C	25 mm	31 days	17 cm	8 days
1972	-10.1 °C	-7.5 °C	-12.4 °C	86 mm	31 days	60 cm	18 days
1971	-13.0 °C	-10.7 °C	-15.5 °C	57 mm	31 days	40 cm	19 days
1970	-14.6 °C	-12.2 °C	-16.4 °C	41 mm	31 days	29 cm	13 days
1969	-10.7 °C	-8.3 °C	-12.9 °C	61 mm	31 days	42 cm	15 days
1968	-19.5 °C	-17.2 °C	-21.7 °C	32 mm	31 days	22 cm	8 days
1967	-15.1 °C	-13.2 °C	-16.9 °C	18 mm	31 days	12 cm	4 days
1966	-6.9 °C	-5.2 °C	-8.9 °C	72 mm	30 days	50 cm	15 days
1965	-13.8 °C	-11.6 °C	-16.2 °C	41 mm	31 days	28 cm	8 days
1964	-9.3 °C	-7.6 °C	-11.1 °C	44 mm	31 days	31 cm	9 days
1963	-17.7 °C	-15.1 °C	-20.5 °C	22 mm	31 days	15 cm	9 days
1962	-18.8 °C	-16.7 °C	-20.9 °C	45 mm	31 days	31 cm	10 days
1961	-16.9 °C	-13.5 °C	-19.6 °C	58 mm	31 days	41 cm	12 days
1960	-14.5 °C	-11.8 °C	-17.1 °C	70 mm	31 days	48 cm	12 days
1959	-10.7 °C	-8.1 °C	-13.2 °C	81 mm	28 days	56 cm	19 days
1958	-14.8 °C	-12.2 °C	-17.6 °C	48 mm	31 days	33 cm	9 days
1957	-16.6 °C	-14.2 °C	-19.5 °C	12 mm	31 days	8 cm	5 days
1956	-6.0 °C	-3.6 °C	-8.6 °C	46 mm	31 days	32 cm	15 days
1955	-18.1 °C	-15.6 °C	-20.4 °C	11 mm	31 days	8 cm	3 days
1954	-6.3 °C	-4.2 °C	-8.9 °C	38 mm	31 days	26 cm	10 days
1953	-8.1 °C	-5.2 °C	-10.8 °C	160 mm	31 days	98 cm	21 days
1952	-15.3 °C	-12.9 °C	-17.4 °C	36 mm	31 days	25 cm	13 days
1951	-16.4 °C	-14.7 °C	-18.3 °C	19 mm	31 days	13 cm	10 days
1950	-19.5 °C	-17.3 °C	-21.6 °C	42 mm	31 days	29 cm	11 days
1949	-7.5 °C	-5.8 °C	-9.3 °C	47 mm	31 days	33 cm	16 days
1948	-18.3 °C	-15.4 °C	-21.4 °C	89 mm	31 days	62 cm	14 days
1947	-14.3 °C	-12.3 °C	-16.2 °C	33 mm	31 days	23 cm	9 days
1946	-10.2 °C	-7.7 °C	-12.6 °C	49 mm	31 days	33 cm	15 days
1945	-14.4 °C	-11.9 °C	-16.9 °C	49 mm	31 days	32 cm	12 days
1944	-7.7 °C	-6.0 °C	-9.4 °C	53 mm	31 days	37 cm	17 days
1943	-11.8 °C	-9.1 °C	-14.5 °C	73 mm	31 days	50 cm	15 days
1942	-15.4 °C	-13.1 °C	-17.8 °C	42 mm	31 days	29 cm	8 days
1941	-15.4 °C	-13.2 °C	-17.9 °C	36 mm	31 days	24 cm	9 days
1940	-12.7 °C	-10.6 °C	-14.7 °C	54 mm	31 days	36 cm	10 days

December records

Hottest day

4.7 °C

December 7, 2002 estimate

Coldest night

-32.8 °C

December 20, 1988 estimate

Wettest day

26 mm

December 18, 1953 estimate

The weather on your birthday in Longyearbyen

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 Longyearbyen in December?

Highs average -8.4 °C and lows -12.9 °C. A typical December brings 0 hot days (30 °C or more) and 31 frost days.

Does it rain a lot in Longyearbyen in December?

About 45 mm falls in December, over some 10 days with at least 1 mm. The wettest December was 1953 (160 mm), the driest 1983 (4 mm).

What was the warmest December in Longyearbyen?

1984, with a mean temperature of -3.5 °C. The coldest was 1988 (-22.5 °C). The last one, 2025, ranks 7 of 86.