Climate Insights for Carleton-sur-Mer

The climate in Carleton-sur-Mer is cool. The average annual temperature is 4°C and approximately 1252mm of precipitation falls per year. Carleton-sur-Mer receives a notable amount of rainfall throughout the year, including during its driest month. Carleton-sur-Mer 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 January, February, December, when temperatures can drop to -14°C. Carleton-sur-Mer experiences heavy snowfall, typically from January through December.

Carleton-sur-Mer has a wide annual temperature range, spanning 38°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 January, when overnight lows fall to -14°C and the daily average is -10°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.

Carleton-sur-Mer is a fairly wet location, receiving approximately 1252mm of precipitation annually, which averages out to around 104mm per month. The wettest month is November, averaging 123mm of rainfall. October and December also tend to see above-average precipitation. The driest month is July, with just 83mm. That's 40mm 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. Carleton-sur-Mer receives heavy snowfall, accumulating around 404cm annually from January through December. The snowiest month is January, with approximately 83cm. Winter travel should account for significant snow cover.

Carleton-sur-Mer is relatively calm, with an average annual wind speed of 4km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Carleton-sur-Mer, which began on June 21, 2026. Carleton-sur-Mer 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 January near -14°C. Autumn is next, beginning on September 23, 2026 — 91 days from now.

The best time to visit Carleton-sur-Mer is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 90mm per month. By contrast, January can be quite cold with temperatures dropping to -14°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 Carleton-sur-Mer 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.