Sisimiut Weather in August
August in Sisimiut sees daytime temperatures around 9°C (48°F) and lows of 5°C (41°F) at night. With around 67 mm (2.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Sisimiut in August
Typically, you can expect about 11 days of rain this month, with 67 mm (2.6 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Sisimiut in August
In August, Sisimiut gets low temperatures, with highs of 9°C (48°F). Nights cool to around 5°C (41°F). This month falls in the summer season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Sisimiut in August
The city usually sees around 182 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Sisimiut in August
August sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greenland, check out our Sisimiut's climate page.
Sisimiut Temperature in August
Min Temperature
5°C (41°F)
Max Temperature
9°C (48°F)
Chance of Rain
38%
Precipitation
67 mm (2.6 in)
Rainy days
11 days
Humidity
87%
Windspeed
2 m/s (4 knots)
Sunshine
182 hours
Percentage Sunshine
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Sisimiut typically stay consistent throughout August, with daily highs averaging around 9°C (48°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).
Average temperatures in August
Historical weather for Sisimiut in August
Browse day-by-day weather records for Sisimiut spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sisimiut historical weather extremes in August
According to our 21 years of weather records for Sisimiut, the following extremes were recorded between 2004 and 2025.
- On August 7, 2010, temperatures climbed to 21°C (70°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 4°C (39°F), recorded on August 31, 2025.
- Sisimiut registered its coldest August night on August 31, 2025, with temperatures dropping to 0°C (32°F).
Best Places in Greenland in August
Find out more about the weather in Greenland and which places have the best travel conditions in this month. See all of Greenland in August →
perfect weather
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What to Wear in Sisimiut in August
Cold weather calls for smart layering in August. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sisimiut in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greenland, check out our Sisimiut's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sisimiut climate overview or explore weather in Greenland.
