Ilulissat in August

In August, Ilulissat averages 11°C (51°F) during the day and 4°C (40°F) at night, with around 13 days of rain (58 mm total).

High season

Conditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.

August in Ilulissat is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).

11°C
Avg high
4°C
Avg low
13
Rain days
58 mm
Rainfall

How August compares to the rest of the year in Ilulissat

2nd
warmest month of the 12
3rd
wettest month of the 12
16%
of yearly rainfall falls in August
17 h 57 min
daylight on the 15th

August is one of the warmest months in Ilulissat (2nd of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 12°C above the annual average (-2°C). August runs 3°C cooler than July (13°C) and cools 6°C in September (4°C).

August sunrise & sunset in Ilulissat

🌅
Sunrise (15th)
5:30 AM
🌇
Sunset (15th)
11:27 PM
Day length
17 h 57 min

Times shown for Ilulissat local time (America/Nuuk), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Ilulissat — August

Golden-hour and blue-hour windows for the 15th of August, in Ilulissat's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:30 AM – 5:10 AM
🌄 Golden hour (AM)
5:10 AM – 6:10 AM
🌇 Golden hour (PM)
10:47 PM – 11:47 PM
🌆 Blue hour (PM)
11:47 PM – 12:27 AM

📅 When to book — Ilulissat in August

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 August's tier (High season) and Ilulissat's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Ilulissat

High season

This is a busy month in Ilulissat — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Northern Hemisphere summer holidays

Sun & mosquito risk — August in Ilulissat

☀️ UV Index (noon, 15th)
6.2
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 Mosquito risk
●○○○○
Minimal
Occasional mosquitoes possible near standing water. Repellent rarely needed.

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.

Ilulissat in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January -13°C / 9°F -19°C / -2°F 18 mm 13
February -14°C / 6°F -21°C / -6°F 11 mm 10
March -11°C / 12°F -18°C / 0°F 14 mm 11
April -3°C / 26°F -10°C / 14°F 25 mm 11
May 3°C / 38°F -3°C / 27°F 27 mm 10
June 10°C / 49°F 3°C / 38°F 24 mm 10
July 13°C / 56°F 6°C / 43°F 44 mm 10
August 11°C / 51°F 4°C / 40°F 58 mm 13
September 4°C / 40°F -1°C / 30°F 39 mm 14
October -2°C / 28°F -8°C / 18°F 41 mm 13
November -7°C / 19°F -13°C / 8°F 26 mm 12
December -9°C / 15°F -15°C / 4°F 26 mm 12

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Ilulissat in August →

Frequently asked questions

How hot is Ilulissat in August?

In August, Ilulissat averages a high of 11°C (51°F) and a low of 4°C (40°F) — generally cool.

Does it rain a lot in Ilulissat in August?

August can be fairly wet in Ilulissat, with about 13 rainy days on average.

Is August a good time to visit Ilulissat?

August is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Ilulissat in August?

Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full August packing list for Ilulissat for a complete, climate-based checklist.

Open Ilulissat on the interactive map

Check the live 10-day forecast and sunrise/sunset.