Climate Overview
The climate in Sept-Îles Airport is cool. The average annual temperature is 3°C and approximately 1222mm of precipitation falls per year. Sept-Îles Airport receives a notable amount of rainfall throughout the year, including during its driest month. Sept-Îles Airport 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, December, when temperatures can drop to -15°C. Sept-Îles Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Sept-Îles Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 16°C. February brings the harshest conditions, with lows dropping to -15°C and an average temperature of -12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.
Precipitation
Sept-Îles Airport is a fairly wet location, receiving approximately 1222mm of precipitation annually, which averages out to around 102mm per month. The wettest month is October, averaging 140mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 62mm. That's 78mm 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. Sept-Îles Airport receives heavy snowfall, accumulating around 273cm annually from January through December. The snowiest month is January, with approximately 51cm. Winter travel should account for significant snow cover.
Wind
Sept-Îles Airport is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap 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 27km/h in winter, 24km/h in spring, 21km/h in summer, 24km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Sept-Îles Airport, which began on March 20, 2026. Sept-Îles Airport 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 18°C, while the coldest stretch bottoms out in February near -15°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -9 to 9°C. Precipitation is moderate at around 267mm for the season, averaging 89mm per month. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 18°C. Rainfall is heavy, totalling around 323mm across the season with a monthly average of 108mm. Winds are moderate at around 21km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -3 to 14°C. Rainfall is heavy, totalling around 385mm across the season with a monthly average of 128mm. Expect around 46cm of snow accumulation during this period. Winds are moderate at around 24km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -15 to -4°C. Precipitation is moderate at around 247mm for the season, averaging 82mm per month. Expect around 138cm of snow accumulation during this period. Winds are strong, averaging 27km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Sept-Îles Airport 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.
