Saint-Jean (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Jean.
Climate overview of Saint-Jean
Saint-Jean, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to -6°C (21°F).
With around 1330 mm (52 in) of annual rain/snowfall, Saint-Jean has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is October. The most sunshine falls in July, with an average of 8.4 hours of daily sunshine.
Saint-Jean Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Jean - and find the best time to visit.
Monthly Temperature in Saint-Jean
Visitors to Saint-Jean can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -6°C (21°F).
At night, temperatures range from around 14°C (57°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Jean
Saint-Jean is known for its substantial rain/snowfall, with annual precipitation reaching 1330 mm (52 in). Despite minor fluctuations, Saint-Jean enjoys fairly consistent precipitation throughout the year. In October, you can expect around 132 mm (5.2 in) of precipitation, while in February, Saint-Jean receives about 85 mm (3.3 in). For more details, please visit our Saint-Jean Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Saint-Jean
Saint-Jean can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.4 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 2.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Saint-Jean by Month
The relative humidity is high throughout the year in Saint-Jean.
The city experiences its highest humidity in December, reaching 73%. In May, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint-Jean
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: January, February, March and April
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Saint-Jean
What is the best time to visit Saint-Jean?
June, July, August and September typically offer the most optimal weather in Saint-Jean. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Saint-Jean has warm summers and very cold winters.
What temperatures can I expect in Saint-Jean?
Daytime highs range from -6°C (21°F) in January to 25°C (77°F) in July. Nighttime lows range from -17°C (1°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Saint-Jean get?
Annual rainfall is around 1330 mm (52 in). October is the wettest month with 132 mm (5.2 in), while February is the driest with 85 mm (3.3 in).
How sunny is Saint-Jean?
Saint-Jean receives around 1,916 hours of sunshine per year. July is the sunniest month with 253 hours, while November is the cloudiest with just 77 hours.
Saint-Jean 3-Day Forecast
Saint-Jean on the map
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