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Saint-Eustache (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Eustache.
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Climate overview of Saint-Eustache
Saint-Eustache, Quebec, Canada, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to -4°C (25°F).
Rain/snowfall is high, totalling around 1140 mm (45 in) per year. October is the wettest month and February the driest. The city also experiences warm summers and very cold winters. The most sunshine falls in July, with an average of 9.1 hours of daily sunshine.
Saint-Eustache Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Eustache - and find the best time to visit.
Monthly Temperature in Saint-Eustache
Visitors to Saint-Eustache can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around -14°C (7°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Eustache
Saint-Eustache is known for its substantial rain/snowfall, with annual precipitation reaching 1140 mm (45 in). Year-round, Saint-Eustache has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 112 mm (4.4 in), and the driest month, February, with 73 mm (2.9 in), is minimal. For more details, please visit our Saint-Eustache 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-Eustache
Seasonal changes in sunshine hours are quite dramatic in Saint-Eustache. While July receives considerable daily sunshine with up to 9.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Montréal, Canada (25 KM, 15 Miles).
Daily hours of sunshine
Data from: Montréal, Canada (25 KM, 15 Miles).
Daily percentage of sunshine
Data from: Montréal, Canada (25 KM, 15 Miles).
Humidity in Saint-Eustache by Month
The relative humidity is high throughout the year in Saint-Eustache.
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
Data from: Montréal, Canada (25 KM, 15 Miles).
Best Time to Visit Saint-Eustache
The most comfortable overall weather for exploring Saint-Eustache is usually found in May, July, August and September. Conditions are generally least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
wet
May
excellent
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
cold
Dec
cold
- Best overall: May, 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 Saint-Eustache
What is the best time to visit Saint-Eustache?
May, July, August and September typically offer the most optimal weather in Saint-Eustache. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Saint-Eustache has warm summers and very cold winters.
What temperatures can I expect in Saint-Eustache?
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 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Saint-Eustache get?
Annual rainfall is around 1140 mm (45 in). October is the wettest month with 112 mm (4.4 in), while February is the driest with 73 mm (2.9 in).
How sunny is Saint-Eustache?
Saint-Eustache 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-Eustache enjoys abundant sunshine.
Saint-Eustache 3-Day Forecast
Saint-Eustache on the map
Saint-Eustache is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
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