Greenland
Ilulissat in December: weather, sea & travel advice
This month's data profile
Clear transition month
Ilulissat in December is climatically mixed. The average daily high is around -7 °C, and the sea is about 0 °C. With about 9 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
28/100 · #11
Warmth
#9
Dryness
#9
Sun
#11
Sea warmth
#8
Published best categories: none
Ilulissat · DecemberPhoto: Christoph Strässler from Oberdorf BL, Schweiz · CC BY-SA 2.0Climate facts
- Average high
- -7 °C
- Average low
- -12 °C
- Sea
- 0 °C
- Rainy days (est.)
- 9 rainy days (est.)
- Sun (est.)
- 0 h/day
- Humidity
- 81 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | -5 | -9 | 8 | 36 | 0.1 | 80 | 4.1 | 1 | 28 |
| December (selected) | -7 | -12 | 9 | 28 | 0.0 | 81 | 4.2 | -0 | 28 |
| January | -11 | -15 | 7 | 22 | 0.0 | 84 | 3.8 | -1 | 30 |
How do the previous and next months compare?
Baseline: December (28/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | ±0 | +2.2 °C | +2.4 °C | ±0 | +7.7 mm | +0.1 h | -1.4 % | -0.1 m/s | +1.1 °C |
| January | +2 | -3.2 °C | -3.7 °C | -1.9 | -5.5 mm | ±0 h | +2.7 % | -0.4 m/s | -0.6 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Ilulissat in December?
The average daily high is around -7 °C, with an average daily low of about -12 °C.
Can you swim in Ilulissat in December?
The sea is about 0 °C (cold).
Does it rain a lot in Ilulissat in December?
The curated estimate is about 9 rainy days per month, not a directly measured long-term average. Total precipitation averages around 28 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Ilulissat?
No month in Ilulissat reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.