Greenland
Ilulissat in August: weather, sea & travel advice
This month's data profile
Clear transition month
Ilulissat in August is climatically mixed. The average daily high is around 9 °C, and the sea is about 6 °C. With about 11 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
34/100 · #6
Warmth
#2
Dryness
#12
Sun
#4
Sea warmth
#1
Published best categories: none
Ilulissat · AugustPhoto: Christoph Strässler from Oberdorf BL, Schweiz · CC BY-SA 2.0Climate facts
- Average high
- 9 °C
- Average low
- 4 °C
- Sea
- 6 °C
- Rainy days (est.)
- 11 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 78 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| July | 11 | 5 | 8 | 48 | 6.9 | 75 | 1.9 | 5 | 43 |
| August (selected) | 9 | 4 | 11 | 63 | 4.6 | 78 | 2.1 | 6 | 34 |
| September | 4 | 0 | 10 | 47 | 2.5 | 76 | 2.9 | 4 | 30 |
How do the previous and next months compare?
Baseline: August (34/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| July | +9 | +1.7 °C | +1.1 °C | -2.5 | -14.5 mm | +2.3 h | -2.3 % | -0.3 m/s | -0.4 °C |
| September | -4 | -4.9 °C | -3.9 °C | -1 | -15.6 mm | -2.1 h | -1.3 % | +0.8 m/s | -1.5 °C |
All twelve months in context
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Frequently asked questions
How warm is Ilulissat in August?
The average daily high is around 9 °C, with an average daily low of about 4 °C.
Can you swim in Ilulissat in August?
The sea is about 6 °C (cold).
Does it rain a lot in Ilulissat in August?
The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 63 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.