Normally, average daily temperatures in Longyearbyen through the whole of December is -8, with highs being around -6 with lows around -11. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | -8 |
| High Temperature | -6 |
| Low Temperature | -11 |
Longyearbyen, Svalbard Weather in December FAQs
How is the weather looking?
Generally it will be -8 degress celsius.
How cold can it get?
The average lows this month are-11 degrees.Useful Links: Longyearbyen Weather: Average Weather & Yearly Climate