Last updated: June 18, 2025
In January, the average temperature in Saint-Jean-sur-Richelieu, Canada hovers around -7°C (19°F). Expect chilly days, with minimums plunging to -31°C (-24°F) and maximums only reaching 12°C (54°F). During this month, you'll likely experience 84 mm (3.3 in) of precipitation spread over 11 days, all while contending with average humidity levels of 93%. Stay warm and prepare for the damp!
In January in Saint-Jean-sur-Richelieu, the average temperature is -7°C (19°F), with maximums reaching 12°C (54°F) and minimums dipping as low as -31°C (-24°F). This climate makes it essential for travelers to pack warm clothing and prepare for potentially extreme weather conditions.
In Saint-Jean-sur-Richelieu, in January, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.
In Saint-Jean-sur-Richelieu in January humidity is 93%. With an average temperature of -7°C (19°F), this humidity feels like an icy grip on the lungs, making travel challenging as each breath draws in the cold, damp air and clings uncomfortably to the skin.
In Saint-Jean-sur-Richelieu in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint-Jean-sur-Richelieu, you can visit 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 January’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 |