Cowansville (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cowansville.
Climate overview of Cowansville
Cowansville, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 26°C (79°F) and January dropping to -3°C (27°F).
The city receives considerable rain/snowfall, with around 1309 mm (52 in) annually. June is the wettest month. It has warm summers and very cold winters. Sunshine peaks in July, when the city sees around 9.1 hours of sunshine per day.
Cowansville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cowansville - and find the best time to visit.
Monthly Temperature in Cowansville
Visitors to Cowansville can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold -3°C (27°F) in the coolest month, January.
Nights vary from 15°C (59°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 Cowansville
Cowansville is known for its substantial rain/snowfall, with annual precipitation reaching 1309 mm (52 in). Precipitation levels in Cowansville remain relatively steady throughout the year. June has the most rain, with 134 mm (5.3 in) over 13 days. In the driest month February, this drops slightly to 82 mm (3.2 in), making the city's climate fairly predictable. For more details, please visit our Cowansville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Cowansville
For those who appreciate different seasons, Cowansville 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
Humidity in Cowansville by Month
The relative humidity is high throughout the year in Cowansville.
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 Cowansville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Cowansville
What is the best time to visit Cowansville?
May, June, July, August and September typically offer the most optimal weather in Cowansville. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Cowansville has warm summers and very cold winters.
What temperatures can I expect in Cowansville?
Daytime highs range from -3°C (27°F) in January to 26°C (79°F) in July. Nighttime lows range from -14°C (7°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Cowansville get?
Annual rainfall is around 1309 mm (52 in). June is the wettest month with 134 mm (5.3 in), while February is the driest with 82 mm (3.2 in).
How sunny is Cowansville?
Cowansville 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, Cowansville enjoys abundant sunshine.
Cowansville 3-Day Forecast
Cowansville (QC) 3-Day Forecast
Cowansville on the map
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