Climate Insights for Saguenay

The climate in Saguenay is cool. The average annual temperature is 4°C and approximately 1303mm of precipitation falls per year. Saguenay receives a notable amount of rainfall throughout the year, including during its driest month. Saguenay is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to -18°C. Saguenay experiences heavy snowfall, typically from January through December.

Saguenay has a wide annual temperature range, spanning 41°C from the coldest to warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 18°C. February brings the harshest conditions, with lows dropping to -18°C and an average temperature of -13°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 12°C shift in average temperatures.

Saguenay is a fairly wet location, receiving approximately 1303mm of precipitation annually, which averages out to around 109mm per month. The wettest month is July, averaging 171mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 58mm. That's 113mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Saguenay receives heavy snowfall, accumulating around 426cm annually from January through December. The snowiest month is February, with approximately 101cm. Winter travel should account for significant snow cover.

Saguenay is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Saguenay, which began on June 21, 2026. Saguenay 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 23°C, while the coldest stretch bottoms out in February near -18°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Saguenay is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 95mm per month. By contrast, February can be quite cold with temperatures dropping to -18°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 Saguenay 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.