Climate Overview
The climate in Saint-Pierre is cool. The average annual temperature is 7°C and approximately 1562mm of precipitation falls per year. Saint-Pierre receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Pierre is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, January, March, when temperatures can drop to -3°C. Saint-Pierre experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Saint-Pierre vary considerably across the year, with a 21°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 18°C with a mean of 17°C. The coldest month is February, when overnight lows fall to -3°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between June and July, with a 5°C shift in average temperatures.
Precipitation
Saint-Pierre is a fairly wet location, receiving approximately 1562mm of precipitation annually, which averages out to around 130mm per month. The wettest month is November, averaging 180mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 98mm. That's 82mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Saint-Pierre receives heavy snowfall, accumulating around 261cm annually from January through December. The snowiest month is February, with approximately 69cm. Winter travel should account for significant snow cover.
Wind
Saint-Pierre is very windy, with an average annual wind speed of 30km/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 38km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 15km/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 37km/h in winter, 30km/h in spring, 24km/h in summer, 31km/h in autumn.
Seasons
2 days until Autumn
It is currently summer in Saint-Pierre, which began on June 21, 2026. Saint-Pierre 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 August at around 18°C, while the coldest stretch bottoms out in February near -3°C. Autumn is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from -1 to 5°C. Rainfall is heavy, totalling around 361mm across the season with a monthly average of 120mm. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 18°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are moderate at around 24km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 16°C. Rainfall is heavy, totalling around 410mm across the season with a monthly average of 137mm. Expect around 7cm of snow accumulation during this period. Winds are strong, averaging 31km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 4°C. Rainfall is heavy, totalling around 451mm across the season with a monthly average of 150mm. Expect around 177cm of snow accumulation during this period. Winds are strong, averaging 37km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Saint-Pierre is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 98mm per month. By contrast, February can be quite cold with temperatures dropping to -3°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Saint-Pierre 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.