Sisimiut in December
In December, Sisimiut averages -8°C (17°F) during the day and -14°C (7°F) at night, with frequent rain — about 14 days of the month see precipitation (59 mm total).
Off-peakConditions are deeply cold — proper winter gear is essential. Plan for unsettled weather and bring rain gear.
December is one of the wetter and less comfortable months in Sisimiut. If your dates are flexible, consider a different time of year.
How December compares to the rest of the year in Sisimiut
December is in the middle of the year for warmth in Sisimiut (9th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 7°C below the annual average (-1°C). December runs 3°C cooler than November (-6°C) and cools 3°C in January (-11°C).
December sunrise & sunset in Sisimiut
Times shown for Sisimiut local time (America/Nuuk), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Sisimiut — December
Golden-hour and blue-hour windows for the 15th of December, in Sisimiut's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sisimiut in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Off-peak) and Sisimiut's popularity.
Crowds & pricing — December in Sisimiut
This is off-peak for Sisimiut — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: challenging tourism weather Christmas / New Year travel surge
Sun & mosquito risk — December in Sisimiut
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
🥶 Bitter cold — Sisimiut in December
Gear: Snow rare but air is freezing. Insulated coat, hat, and gloves still required — wind chill is the real enemy.
Sisimiut in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -11°C / 11°F | -17°C / 2°F | 42 mm | 16 | — |
| February | -14°C / 6°F | -20°C / -3°F | 22 mm | 11 | — |
| March | -10°C / 13°F | -16°C / 4°F | 28 mm | 12 | — |
| April | -3°C / 26°F | -9°C / 16°F | 46 mm | 12 | — |
| May | 2°C / 36°F | -2°C / 28°F | 35 mm | 11 | — |
| June | 8°C / 46°F | 3°C / 37°F | 38 mm | 13 | — |
| July | 11°C / 53°F | 6°C / 43°F | 73 mm | 12 | — |
| August | 10°C / 51°F | 6°C / 42°F | 68 mm | 16 | — |
| September | 5°C / 42°F | 1°C / 34°F | 65 mm | 16 | — |
| October | -1°C / 31°F | -5°C / 22°F | 75 mm | 16 | — |
| November | -6°C / 22°F | -11°C / 12°F | 57 mm | 17 | — |
| December | -8°C / 17°F | -14°C / 7°F | 59 mm | 14 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Sisimiut in December →
Frequently asked questions
How hot is Sisimiut in December?
In December, Sisimiut averages a high of -8°C (17°F) and a low of -14°C (7°F) — generally cold.
Does it rain a lot in Sisimiut in December?
December can be fairly wet in Sisimiut, with about 14 rainy days on average.
Is December a good time to visit Sisimiut?
December is cold but on the rainy side. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sisimiut in December?
Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full December packing list for Sisimiut for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.