Last updated: June 18, 2025
In Salaberry-de-Valleyfield, Canada, the average temperature in May hovers around 14°C (57°F), but be prepared for a wide range as temperatures can drop to a chilly -2°C (29°F) or soar to a scorching 37°C (98°F). With an average humidity of 80%, the air can feel quite heavy, especially during the 12 days of rain that accumulate about 105 mm (4.1 in) of precipitation.
In May in Salaberry-de-Valleyfield, the average temperature is 14°C (57°F). Maximums can reach 37°C (98°F) and minimums can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling to Salaberry-de-Valleyfield during this month.
In Salaberry-de-Valleyfield in May, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.
In Salaberry-de-Valleyfield in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.
In Salaberry-de-Valleyfield in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Salaberry-de-Valleyfield.
UV Risk Categories
Weather in Salaberry-de-Valleyfield varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Salaberry-de-Valleyfield, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -8°C (19°F) | 85 mm (3.3 inches) | 93% | low |
| February Weather | -6°C (21°F) | 85 mm (3.3 inches) | 92% | moderate |
| March Weather | -2°C (29°F) | 86 mm (3.4 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 114 mm (4.5 inches) | 85% | high |
| May Weather | 14°C (57°F) | 105 mm (4.1 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 95 mm (3.7 inches) | 74% | very high |
| July Weather | 22°C (72°F) | 97 mm (3.8 inches) | 76% | very high |
| August Weather | 21°C (70°F) | 92 mm (3.6 inches) | 75% | very high |
| September Weather | 17°C (62°F) | 67 mm (2.6 inches) | 78% | high |
| October Weather | 10°C (50°F) | 130 mm (5.1 inches) | 86% | moderate |
| November Weather | 2°C (35°F) | 110 mm (4.3 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 85 mm (3.3 inches) | 89% | low |