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Longyearbyen in December: Weather, Average temperature and Climate

Discover the weather for Longyearbyen in December and if it’s a good time to travel (based on historical data).
Check flight prices to Longyearbyen on Avionero:
December

Weather in Longyearbyen in December 2024

OK Weather
Cold
☁️
Cloudy
If you plan to visit Longyearbyen in December, the weather is typically alright, with an average high temperature of -10°C during the day and approximately 0 sunny days. Expect some snowy, though, as there are typically 13 snowy days in the month and around 37 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
-10°C
Avg. max. temperature
-35°C
Min.
+5°C
Max.
3 mm
Total precipitation
80%
Avg. humidity
3 m/s
Avg. wind
0 ☀️
Sunny Days
17 ⛅️
Cloudy
0 🌦
Rainy
Our opinion: Longyearbyen has OK weather in December.

Average temperature in Longyearbyen in December

Here are the expected maximum, average and minimum temperatures in Longyearbyen for December based on the historical data.
Last Year
Historical Data

The temperature in December is -5°C on average, with a range between a maximum of -1°C during the day and a minimum of -19°C at night.

The average maximum temperature goes up 44% by the end of the month, compared with the beginning of the month, from -9°C to -1°C.

Is Longyearbyen warm or cold in December?

Longyearbyen is typically cold in December.

Maximum temperatures go down compared to the previous month from -7°C to -10°C. The minimum temperature also goes down from -12°C to -15°C.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

Take a look at how December is compared to other months in Longyearbyen:

Climate in Longyearbyen in December

Longyearbyen weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
-7°C-10°C-11°C
Min. temperature
-31°C-35°C-35°C
Max. temperature
+7°C+5°C+5°C
Rainfall
6 mm3 mm4 mm
Wind
3 m/s3 m/s3 m/s
Humidity
82%80%80%
Air pressure
1007 HPa1004 HPa1005 HPa
Sunny days
001
Cloudy days
161717
Rainy days
000
Snowy days
131313

December weather is still as ok as in November. It’s getting colder in December. From -7°C in the day, the average maximum temperature lowers to -10°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 6 mm to 3 mm. It feels drier, as humidity decreases from 82% to 80%. The average wind speed doesn’t change much during December, staying around 3 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Longyearbyen in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Longyearbyen is gradually decreasing during December, going from 6 m/s to 4 m/s over the course of the month.

Snow

Amount of snow in mm during December in Longyearbyen based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of snow on an average day in December, with a total monthly snowfall of approximately 37 mm.

December is one of the snowiest months in Longyearbyen.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Longyearbyen?

This is the weather in Longyearbyen in December 2023:
1 December
☀️
-9°C
2 December
☁️
-8°C
3 December
☁️
-7°C
4 December
☁️
-4°C
5 December
☁️
-4°C
6 December
☁️
-6°C
7 December
☁️
-3°C
8 December
☁️
-2°C
9 December
🌨️
-4°C
10 December
🌨️
-2°C
11 December
🌨️
-3°C
12 December
☁️
-9°C
13 December
🌨️
-1°C
14 December
☁️
-1°C
15 December
☁️
-1°C
16 December
☀️
-2°C
17 December
🌨️
-1°C
18 December
☀️
-1°C
19 December
☀️
-5°C
20 December
☁️
-8°C
21 December
☀️
-11°C
22 December
☁️
-13°C
23 December
☀️
-16°C
24 December
☁️
-17°C
25 December
☁️
-14°C
26 December
🌨️
-9°C
27 December
☁️
-5°C
28 December
🌨️
-2°C
29 December
☁️
-1°C
30 December
☁️
-1°C
31 December
☁️
-1°C
In December 2023 Longyearbyen had 6 sunny days, 18 cloudy days, and 0 rainy days. The average maximum temperature was -5°C, with an absolute maximum of -1°C and a minimum of -17°C. The average humidity was 81%, with a maximum of 99% and a minimum of 63%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Longyearbyen climate have been changing during last 43 years period.

The climate in Longyearbyen in December has not changed much over the last 43 years.

The average temperature was the lowest in 1988 (-7°C) and the highest in 2016 (+1°C). The driest year was 1998 with only 51 mm of rainfall, and the wettest year was 2016 with 381 mm.

FAQ

Frequently asked questions about the weather in Longyearbyen in December:

Is December a good time to visit Longyearbyen?

It’s always a good time to visit Longyearbyen, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Longyearbyen in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Is Longyearbyen rainy in December?

Longyearbyen is usually dry in December. Plan your packing around outdoor activities and exploring.

Is it sunny in Longyearbyen in December?

Usually, it’s not very sunny in Longyearbyen in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Longyearbyen

Source of the data

For this page, we’ve looked at the typical weather in Longyearbyen, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.