Last updated: June 18, 2025
In March, the average temperature in Saint-Denis-sur-Richelieu, Canada hovers around -2°C (28°F). Expect chilly days, with minimums plunging to -24°C (-11°F) and highs reaching up to 20°C (68°F). With 85 mm (3.3 in) of precipitation spread over 11 days, don't forget your umbrella! The air stays quite damp, with an average humidity of 86%, making it a perfectly brisk season to embrace the outdoors.
In March in Saint-Denis-sur-Richelieu, the average temperature is -2°C (28°F), with maximums reaching 20°C (68°F) and minimums dropping as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their visit.
In Saint-Denis-sur-Richelieu in March, the total precipitation amount is 85 mm (3.3 in) over a span of 11 days.
In Saint-Denis-sur-Richelieu in March, humidity is 86%. With an average temperature of -2°C (28°F), this humidity feels like a dense fog wrapping around you, making it feel even colder and creating an uncomfortable chill that can dampen any plans for outdoor exploration.
In Saint-Denis-sur-Richelieu in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Saint-Denis-sur-Richelieu.
UV Risk Categories
Weather in Saint-Denis-sur-Richelieu varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Saint-Denis-sur-Richelieu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -7°C (19°F) | 82 mm (3.2 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 85 mm (3.3 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 121 mm (4.8 inches) | 85% | very high |
| May Weather | 14°C (57°F) | 97 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 101 mm (4.0 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 96 mm (3.8 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 111 mm (4.4 inches) | 75% | very high |
| September Weather | 16°C (61°F) | 67 mm (2.6 inches) | 78% | high |
| October Weather | 10°C (50°F) | 132 mm (5.2 inches) | 86% | moderate |
| November Weather | 1°C (34°F) | 117 mm (4.6 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 90 mm (3.6 inches) | 89% | low |