Climate Insights for Ilulissat

The climate in Ilulissat is cold. The average annual temperature is -4°C and approximately 331mm of precipitation falls per year. August is the wettest month, receiving around 49mm of rainfall. Ilulissat is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to -19°C. Snowfall occurs from January to December, with around 125cm accumulating over the season.

Temperatures in Ilulissat vary considerably across the year, with a 30°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 11°C with a mean of 9°C. February brings the harshest conditions, with lows dropping to -19°C and an average temperature of -17°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between March and April, with a 8°C shift in average temperatures.

Ilulissat is a quite dry location, receiving approximately 331mm of precipitation annually, which averages out to around 28mm per month. The wettest month is August, averaging 49mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 7mm. That's 41mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 125cm accumulating over the season. November typically sees the most snow at around 19cm.

Ilulissat is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 17km/h in spring, 15km/h in summer, 17km/h in autumn.

It is currently spring in Ilulissat, which began on March 20, 2026. Ilulissat is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 11°C, while the coldest stretch bottoms out in February near -19°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Ilulissat based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.