Climate Insights for Tasiilaq

The climate in Tasiilaq is cold. The average annual temperature is -1°C and approximately 1216mm of precipitation falls per year. Tasiilaq receives a notable amount of rainfall throughout the year, including during its driest month. Tasiilaq 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 December, January, February, when temperatures can drop to -11°C. Tasiilaq experiences heavy snowfall, typically from January through December.

Temperatures in Tasiilaq vary considerably across the year, with a 23°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 12°C with a mean of 9°C. The coldest month is December, when overnight lows fall to -11°C and the daily average is -9°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Tasiilaq is a fairly wet location, receiving approximately 1216mm of precipitation annually, which averages out to around 101mm per month. The wettest month is October, averaging 131mm of rainfall. February and April also tend to see above-average precipitation. The driest month is August, with just 62mm. That's 69mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Tasiilaq receives heavy snowfall, accumulating around 542cm annually from January through December. The snowiest month is February, with approximately 91cm. Winter travel should account for significant snow cover.

Tasiilaq is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 11km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 14km/h in spring, 10km/h in summer, 16km/h in autumn.

It is currently spring in Tasiilaq, which began on March 20, 2026. Tasiilaq 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 12°C, while the coldest stretch bottoms out in December near -11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Tasiilaq 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.