IlulissatPhoto: Christoph Strässler from Oberdorf BL, Schweiz · CC BY-SA 2.0Greenland · North America
Best time to visit Ilulissat
Ilulissat sits by the UNESCO icefjord where huge icebergs drift. An arctic destination, cold all year and bright in summer.
Climate decision
Best travel months for Ilulissat
Top recommendation
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
March · Mean daily maximum
-9 °C
1991–2025: -11.1 °C
+2.2 °C · higher
July · Monthly precipitation
89.6 mm/month
1991–2025: 48.1 mm/month
+41.5 mm/month · higher
June · Wet days
11.4 days/month
1991–2025: 7.7 days/month
+3.7 days/month · higher
July · Sunshine per day
6.3 h/day
1991–2025: 6.9 h/day
-0.6 h/day · lower
August · Sea temperature
7.4 °C
1991–2025: 5.8 °C
+1.6 °C · higher
July: 0/155 days at or above 30 °C; highest single value 15.3 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Seasonal contrast
Ilulissat: temperature opens and closes the travel window
Average daily highs span 23.8 °C across the year. This marked contrast shapes the choice of month more than small differences in rain or sunshine.
The key decision
Choose the suitable temperature range first. Within that window, dryness and sunshine identify the stronger month.
Lowest average daily low
February · -18.2 °C
Highest average daily high
July · 10.9 °C
Warmest sea
August · 5.8 °C
Most sunshine
June · 7.4 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | -11 | -15 | 7 | 22 | 0.0 | 84 | 3.8 | -1 | 30 |
| February | -13 | -18 | 5 | 17 | 0.4 | 85 | 3.4 | -1 | 33 |
| March | -11 | -17 | 5 | 20 | 2.0 | 84 | 2.9 | -1 | 35 |
| April | -4 | -10 | 6 | 27 | 4.3 | 81 | 2.9 | -1 | 37 |
| May | 2 | -2 | 8 | 35 | 6.2 | 76 | 2.5 | 0 | 38 |
| June | 8 | 3 | 8 | 38 | 7.4 | 76 | 2.1 | 3 | 41 |
| July | 11 | 5 | 8 | 48 | 6.9 | 75 | 1.9 | 5 | 43 |
| August | 9 | 4 | 11 | 63 | 4.6 | 78 | 2.1 | 6 | 34 |
| September | 4 | 0 | 10 | 47 | 2.5 | 76 | 2.9 | 4 | 30 |
| October | -1 | -5 | 9 | 45 | 0.8 | 78 | 3.5 | 3 | 29 |
| November | -5 | -9 | 8 | 36 | 0.1 | 80 | 4.1 | 1 | 28 |
| December | -7 | -12 | 9 | 28 | 0.0 | 81 | 4.2 | -0 | 28 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
Find a place to stay
Where to stay in Ilulissat
Compare available stays, prices and cancellation terms for Ilulissat on Booking.com.
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Useful next decisions
Similar destinations
The number is the overall climate score, not a similarity score.
Frequently asked questions
When is the best time to visit Ilulissat?
The best time depends on the trip type; the cards above show each monthly decision.
Which month has the highest average daily maximum temperature in Ilulissat?
The average daily maximum temperature in Ilulissat is highest in July at around 11 °C.
When is the sea warmest at Ilulissat?
In August, at around 6 °C.