SeasonMapIlulissat (Disko Bay) weather by month
Greenland
The best time to visit Ilulissat (Disko Bay) is June to August — 84/100 in July, 12°C and 8 rainy days. The best season is summer, June to August (80/100 on average).
The worst month is January at 24/100 — freezing, dry, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Greenland →
Ilulissat, month by month
Comfort score out of 100 for the kind of trip Ilulissat is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 24 | F | -10°C | 5 d | 1 h | Quiet | 2 |
| FebFebruary | 31 | F | -11°C | 3 d | 3 h | Quiet | 2 |
| MarMarch | 42 | F | -7°C | 3 d | 8 h | Shoulder | 2 |
| AprApril | 55 | D | 0°C | 5 d | 11 h | Shoulder | 2 |
| MayMay | 66 | C | 4°C | 6 d | 14 h | Shoulder | — |
| JunJune | 77 | B | 8°C | 7 d | 15 h | Busy | 3 |
| JulJuly | 84 | A | 12°C | 8 d | 14 h | Busy | 2 |
| AugAugust | 80 | A | 11°C | 10 d | 10 h | Busy | 2 |
| SepSeptember | 63 | C | 5°C | 8 d | 8 h | Shoulder | 3 |
| OctOctober | 46 | F | 1°C | 7 d | 4 h | Shoulder | 2 |
| NovNovember | 34 | F | -4°C | 7 d | 1 h | Shoulder | 2 |
| DecDecember | 27 | F | -7°C | 6 d | 0 h | Quiet | 2 |
What's on in Ilulissat through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Dog sledding season5 Jan – 15 Apr (usually)Season
- June
- Whales in Disko Bay1 Jun – 30 Sep (usually)Nature
- Greenland's National Day21 JunHoliday
- Icefjord boat season1 Jun – 30 Sep (usually)Season
- September
- Aurora season15 Sep – 10 Apr (usually)Nature
- October
- Between the seasons15 Oct – 15 Dec (usually)Season
Crowds in Ilulissat in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 7 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet