Châteauguay Heights (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Châteauguay Heights.
Climate overview of Châteauguay Heights
Châteauguay Heights, 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 1132 mm (45 in) annually. October is the wettest month. It has warm summers and very cold winters. July is the sunniest month, averaging 9.1 hours of sunshine per day.
Châteauguay Heights Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Châteauguay Heights - and find the best time to visit.
Monthly Temperature in Châteauguay Heights
Depending on the time of the year, temperatures range from comfortable to very cold in Châteauguay Heights. 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 17°C (63°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Châteauguay Heights
Châteauguay Heights has a relatively rain/snowy climate with high precipitation levels, averaging 1132 mm (45 in) of rain/snowfall annually. Precipitation levels in Châteauguay Heights remain relatively steady throughout the year. October has the most rain, with 112 mm (4.4 in) over 12 days. In the driest month February, this drops slightly to 72 mm (2.8 in), making the city's climate fairly predictable. For more details, please visit our Châteauguay Heights 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 Châteauguay Heights
For those who appreciate different seasons, Châteauguay Heights 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
Water Temperature in Châteauguay Heights
The mean water temperature over the year ranges from 3°C (37°F) in February to 21°C (70°F) in August.
Water temperature over the year
Humidity in Châteauguay Heights by Month
The relative humidity is high throughout the year in Châteauguay Heights.
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
Wind Speed in Châteauguay Heights
The mean wind speed varies between 5 m/s (10 knots) and 7 m/s (14 knots) throughout the year. It is lowest in June, July, August and September and highest during January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Châteauguay Heights
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Best for swimming: August and September.
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Châteauguay Heights
What is the best time to visit Châteauguay Heights?
July, August and September typically offer the most optimal weather in Châteauguay Heights. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Châteauguay Heights has warm summers and very cold winters.
What temperatures can I expect in Châteauguay Heights?
Daytime highs range from -4°C (25°F) in January to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Châteauguay Heights get?
Annual rainfall is around 1132 mm (45 in). October is the wettest month with 112 mm (4.4 in), while February is the driest with 72 mm (2.8 in).
How sunny is Châteauguay Heights?
Châteauguay Heights 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, Châteauguay Heights enjoys abundant sunshine.
Châteauguay Heights 3-Day Forecast
Châteauguay Heights on the map
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