Saint-Jean-sur-Richelieu
May
Weather in Saint-Jean-sur-Richelieu for May 2026
Your guide to Saint-Jean-sur-Richelieu weather in May - trends and predictions
In general, the average temperature in Saint-Jean-sur-Richelieu at the beginning of May is 15.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °C by the end of May.
Saint-Jean-sur-Richelieu in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 85.1 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
18°/8°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Saint-Jean-sur-Richelieu Weather May
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Temperatures trend during May in Saint-Jean-sur-Richelieu
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May weather in Saint-Jean-sur-Richelieu day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Mist | 13° /3° | 10 mm | 3 | |
| 2 May |  Moderate or heavy rain shower | 15° /7° | 12.8 mm | 3 | |
| 3 May |  Heavy rain at times | 13° /6° | 3 mm | 3 | |
| 4 May |  Patchy rain possible | 14° /6° | 2.1 mm | 3 | |
| 5 May |  Overcast | 17° /6° | 2.9 mm | 4 | |
| 6 May |  Partly cloudy | 19° /7° | 0.9 mm | 4 | |
| 7 May |  Cloudy | 20° /8° | 0 mm | 5 | |
| 8 May |  Sunny | 12° /7° | 1.1 mm | 3 | |
| 9 May | Partly cloudy | 10° /4° | 0.1 mm | 3 | |
| 10 May | Partly cloudy | 16° /5° | 0 mm | 4 | |
| 11 May | Cloudy | 18° /7° | 1.3 mm | 4 | |
| 12 May | Patchy rain possible | 17° /8° | 0.7 mm | 4 | |
| 13 May | Partly cloudy | 19° /9° | 0.7 mm | 5 | |
| 14 May | Cloudy | 20° /9° | 7.1 mm | 5 | |
| 15 May | Overcast | 22° /9° | 0.1 mm | 5 | |
| 16 May | Moderate or heavy rain shower | 20° /10° | 3.1 mm | 5 | |
| 17 May | Patchy rain possible | 19° /10° | 7.2 mm | 5 | |
| 18 May | Sunny | 15° /7° | 8.4 mm | 4 | |
| 19 May | Overcast | 17° /6° | 5.7 mm | 4 | |
| 20 May | Heavy rain at times | 18° /10° | 1.6 mm | 4 | |
| 21 May | Patchy rain possible | 20° /10° | 3.2 mm | 5 | |
| 22 May | Sunny | 17° /9° | 5 mm | 4 | |
| 23 May | Sunny | 17° /9° | 0.9 mm | 4 | |
| 24 May | Heavy rain at times | 13° /6° | 4.8 mm | 3 | |
| 25 May | Partly cloudy | 17° /5° | 0.1 mm | 5 | |
| 26 May | Sunny | 21° /7° | 0.1 mm | 6 | |
| 27 May | Partly cloudy | 24° /9° | 2.6 mm | 6 | |
| 28 May | Sunny | 25° /12° | 6.5 mm | 6 | |
| 29 May | Sunny | 20° /11° | 0 mm | 5 | |
| 30 May | Cloudy | 22° /10° | 0 mm | 5 | |
| 31 May | Sunny | 21° /9° | 2 mm | 5 | |
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Important Notice
Our weather forecast for Saint-Jean-sur-Richelieu 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 Saint-Jean-sur-Richelieu forecast closer to your planned date for the most up-to-date weather information.
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Saint-Jean-sur-Richelieu in May - FAQ
What are the expected maximum and minimum temperatures in Saint-Jean-sur-Richelieu during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint-Jean-sur-Richelieu during May?
Moderate rainfall is anticipated in Saint-Jean-sur-Richelieu during May, with a total of 85.1 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint-Jean-sur-Richelieu during May?
The average wind speed in Saint-Jean-sur-Richelieu during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint-Jean-sur-Richelieu
Explore the daily rainfall trends and prepare for Saint-Jean-sur-Richelieus May weather 💧
UV exposure in Saint-Jean-sur-Richelieu during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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