Last updated: June 18, 2025
In Saint-Jean-sur-Richelieu, Canada, the average temperature in April hovers around 6°C (44°F). Expect a range with minimums dipping to -8°C (17°F) and maximums soaring to 25°C (77°F). During this month, precipitation typically totals 114 mm (4.5 in) over about 13 days, while the average humidity sits at a brisk 85%.
In April in Saint-Jean-sur-Richelieu, the average temperature is 6°C (44°F). Maximum temperatures can reach 25°C (77°F), while minimums can dip as low as -8°C (17°F). Be prepared for a wide range of temperatures when traveling to Saint-Jean-sur-Richelieu during this month.
In Saint-Jean-sur-Richelieu in April, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 days.
In Saint-Jean-sur-Richelieu in April, humidity is 85%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that seeps into your clothes, making travel uncomfortable and adding an extra layer of chill to the air.
In Saint-Jean-sur-Richelieu in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Saint-Jean-sur-Richelieu.
UV Risk Categories
Weather in Saint-Jean-sur-Richelieu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Saint-Jean-sur-Richelieu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -6°C (21°F) | 79 mm (3.1 inches) | 92% | moderate |
| March Weather | -1°C (30°F) | 82 mm (3.2 inches) | 86% | moderate |
| April Weather | 6°C (44°F) | 114 mm (4.5 inches) | 85% | high |
| May Weather | 14°C (57°F) | 97 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 111 mm (4.4 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 113 mm (4.4 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 116 mm (4.6 inches) | 75% | very high |
| September Weather | 16°C (62°F) | 71 mm (2.8 inches) | 78% | high |
| October Weather | 10°C (51°F) | 144 mm (5.7 inches) | 86% | moderate |
| November Weather | 2°C (35°F) | 114 mm (4.5 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 81 mm (3.2 inches) | 89% | low |