Saint-Marc-sur-Richelieu (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Marc-sur-Richelieu.
Climate overview of Saint-Marc-sur-Richelieu
Saint-Marc-sur-Richelieu, Quebec, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to -4°C (25°F) in January.
The city receives considerable rain/snowfall, with around 1171 mm (46 in) annually. October is the wettest month. July is the sunniest month, averaging 9.1 hours of sunshine per day.
Saint-Marc-sur-Richelieu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Marc-sur-Richelieu — and find the best time to visit.
Monthly Temperature in Saint-Marc-sur-Richelieu
Depending on the time of the year, temperatures range from comfortable to very cold in Saint-Marc-sur-Richelieu. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -14°C (7°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Marc-sur-Richelieu
Saint-Marc-sur-Richelieu has a relatively rain/snowy climate with high precipitation levels, averaging 1171 mm (46 in) of rain/snowfall annually. Precipitation levels in Saint-Marc-sur-Richelieu remain relatively steady throughout the year. October has the most rain, with 114 mm (4.5 in) over 12 days. In the driest month February, this drops slightly to 73 mm (2.9 in), making the city's climate fairly predictable. For more details, please visit our Saint-Marc-sur-Richelieu 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-Marc-sur-Richelieu
For those who appreciate different seasons, Saint-Marc-sur-Richelieu serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.1 hours of sunshine daily, and embrace the darker days in December, offering only 2.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Saint-Marc-sur-Richelieu by Month
The relative humidity is high throughout the year in Saint-Marc-sur-Richelieu.
The city experiences its highest humidity in December, reaching 71%. In May, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint-Marc-sur-Richelieu
Rainfall during this time ranges from 101 mm (4 in) in September to 114 mm (4.5 in) in June. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Saint-Marc-sur-Richelieu
What is the best time to visit Saint-Marc-sur-Richelieu?
May, June, July, August and September typically offer the most optimal weather in Saint-Marc-sur-Richelieu. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Saint-Marc-sur-Richelieu?
Daytime highs range from -4°C (25°F) in January to 27°C (81°F) in July. Nighttime lows range from -14°C (7°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Saint-Marc-sur-Richelieu get?
Annual rainfall is around 1171 mm (46 in). October is the wettest month with 114 mm (4.5 in), while February is the driest with 73 mm (2.9 in).
How sunny is Saint-Marc-sur-Richelieu?
Saint-Marc-sur-Richelieu receives around 2,042 hours of sunshine per year. July is the sunniest month with 272 hours, while December is the cloudiest with just 80 hours. Overall, Saint-Marc-sur-Richelieu enjoys abundant sunshine.
Saint-Marc-sur-Richelieu 3-Day Forecast
Saint-Marc-sur-Richelieu (QC) 3-Day Forecast
Saint-Marc-sur-Richelieu on the map
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