Châteauguay
May
Weather in Châteauguay for May 2026
Your guide to Châteauguay weather in May - trends and predictions
Snowfall in Châteauguay during May is quite rare, with fewer than 2 snowy days on average.
According to Châteauguay snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Sunday, 3 May.The forecast for the first days of May 2026 in Châteauguay predicts temperatures to be around 12 °C, close to the historical average.
In general, the average temperature in Châteauguay at the beginning of May is 11.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.3 °C by the end of May.
With an average of 5 rainy days, Châteauguay experiences minimal rainfall in May.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
20°/7°
Temperatures
17 km/h
Avg max wind
75 %
Avg humidity
Châteauguay Weather May
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Temperatures trend during May in Châteauguay
See the weather trend as well as the moving average line
May weather in Châteauguay day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 9° /3° | 0.3 mm | 0 cm | |
| 2 May | Patchy rain possible | 10° /1° | 0.6 mm | 0 cm | |
| 3 May | Patchy rain possible | 8° /2° | 1.5 mm | 0.2 cm | |
| 4 May | Patchy rain possible | 6° /3° | 0.8 mm | 0 cm | |
| 5 May | Patchy rain possible | 14° /4° | 1.8 mm | 0 cm | |
| 6 May | Patchy rain possible | 16° /13° | 1.5 mm | 0 cm | |
| 7 May |  Moderate rain | 16° /7° | 5.4 mm | 0 cm | |
| 8 May |  Partly cloudy | 15° /5° | 0 mm | 0 cm | |
| 9 May | Moderate rain | 9° /5° | 10.3 mm | 0 cm | |
| 10 May | Patchy rain possible | 12° /5° | 2.6 mm | 0 cm | |
| 11 May | Patchy rain possible | 10° /4° | 0.2 mm | 0 cm | |
| 12 May | Partly cloudy | 14° /2° | 0 mm | 0 cm | |
| 13 May |  Light drizzle | 21° /10° | 1.8 mm | 0 cm | |
| 14 May | Light rain shower | 21° /12° | 10.6 mm | 0 cm | |
| 15 May | Partly cloudy | 21° /12° | 0 mm | 0 cm | |
| 16 May | Patchy rain possible | 23° /14° | 1.6 mm | 0 cm | |
| 17 May | Patchy rain possible | 24° /15° | 2.6 mm | 0 cm | |
| 18 May | Light rain shower | 15° /11° | 12.9 mm | 0 cm | |
| 19 May | Partly cloudy | 14° /8° | 14.4 mm | 0 cm | |
| 20 May |  Moderate or heavy rain shower | 13° /8° | 11.7 mm | 0 cm | |
| 21 May | Patchy rain possible | 17° /8° | 2.6 mm | 0 cm | |
| 22 May |  Sunny | 17° /9° | 4.8 mm | 0 cm | |
| 23 May | Sunny | 18° /9° | 0 mm | 0 cm | |
| 24 May | Moderate or heavy rain shower | 13° /7° | 8.4 mm | 0 cm | |
| 25 May | Partly cloudy | 17° /6° | 0 mm | 0 cm | |
| 26 May | Sunny | 22° /8° | 0 mm | 0 cm | |
| 27 May | Partly cloudy | 22° /10° | 2.9 mm | 0 cm | |
| 28 May | Sunny | 25° /12° | 2.4 mm | 0 cm | |
| 29 May | Sunny | 19° /12° | 0 mm | 0 cm | |
| 30 May |  Cloudy | 22° /10° | 0 mm | 0 cm | |
| 31 May | Sunny | 22° /10° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Châteauguay in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Châteauguay forecast closer to your planned date for the most up-to-date weather information.
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Châteauguay in May - FAQ
What are the expected maximum and minimum temperatures in Châteauguay during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Châteauguay during May?
Significant rainfall exceeding 243.9 mm is expected in Châteauguay during May, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Châteauguay during May?
The average wind speed in Châteauguay during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Châteauguay snow forecast May 2026
Track daily snowfall levels and discover Châteauguay’s snowy potential this May ❄️
May rainfall patterns in Châteauguay
Explore the daily rainfall trends and prepare for Châteauguays May weather 💧
Typically, Châteauguay has 5 rainy days in May with a total of 243.9 mm of rainfall.
UV exposure in Châteauguay during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Châteauguay?Get accurate weather forecasts for Châteauguay, located at latitude 45.383 and longitude -73.749. Stay updated with localized weather information tailored for Châteauguay.
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