Climate Insights for Saint-Siméon

The climate in Saint-Siméon is cool. The average annual temperature is 4°C and approximately 1095mm of precipitation falls per year. Saint-Siméon receives a notable amount of rainfall throughout the year, including during its driest month. Saint-Siméon 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 -13°C. Saint-Siméon experiences heavy snowfall, typically from January through December.

Temperatures in Saint-Siméon 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 20°C with a mean of 16°C. The coldest month is February, when overnight lows fall to -13°C and the daily average is -10°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Saint-Siméon is a moderately rainy area, receiving approximately 1095mm of precipitation annually, which averages out to around 91mm per month. The wettest month is October, averaging 137mm of rainfall. June and April also tend to see above-average precipitation. The driest month is February, with just 63mm. That's 74mm 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-Siméon receives heavy snowfall, accumulating around 242cm annually from January through December. The snowiest month is March, with approximately 52cm. Winter travel should account for significant snow cover.

Saint-Siméon is moderately windy, with an average annual wind speed of 20km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 23km/h in winter, 21km/h in spring, 17km/h in summer, 20km/h in autumn.

It is currently spring in Saint-Siméon, which began on March 20, 2026. Saint-Siméon 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 20°C, while the coldest stretch bottoms out in February near -13°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Saint-Siméon is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 86mm per month. By contrast, February can be quite cold with temperatures dropping to -13°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.

The table below shows monthly climate averages for Saint-Siméon 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.