Climate Overview
The climate in Saint-Léonard Airport is cool. The average annual temperature is 4°C and approximately 1183mm of precipitation falls per year. Saint-Léonard Airport receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Léonard 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. Saint-Léonard Airport experiences heavy snowfall, typically from January through December.
Temperature
Saint-Léonard Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. The coldest month is February, when overnight lows fall to -15°C and the daily average is -10°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.
Precipitation
Saint-Léonard Airport is a moderately rainy area, receiving approximately 1183mm of precipitation annually, which averages out to around 99mm per month. The wettest month is October, averaging 112mm of rainfall. December and July also tend to see above-average precipitation. The driest month is February, with just 74mm. That's 38mm 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. Saint-Léonard Airport receives heavy snowfall, accumulating around 234cm annually from January through December. The snowiest month is January, with approximately 49cm. Winter travel should account for significant snow cover.
Wind
Saint-Léonard Airport 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 March, 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 18km/h in winter, 18km/h in spring, 15km/h in summer, 17km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Saint-Léonard Airport, which began on March 20, 2026. Saint-Léonard 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 24°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 -8 to 17°C. Precipitation is moderate at around 275mm for the season, averaging 92mm per month. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 24°C. Rainfall is heavy, totalling around 319mm across the season with a monthly average of 106mm. Winds are moderate at around 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -3 to 19°C. Rainfall is heavy, totalling around 312mm across the season with a monthly average of 104mm. Expect around 33cm of snow accumulation during this period. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -15 to -2°C. Precipitation is moderate at around 277mm for the season, averaging 92mm per month. Expect around 130cm of snow accumulation during this period. Winds are moderate at around 18km/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 Saint-Léonard 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.
