Last updated: June 18, 2025
In Rimouski, Canada, the average temperature in May is a brisk 7°C (45°F). Expect extremes ranging from a chilly -2°C (28°F) to a pleasant 22°C (72°F). This month, precipitation averages around 82 mm (3.2 in) spread across 11 days, with an average humidity of 82%, creating a notably damp atmosphere.
In May in Rimouski, the average temperature is 7°C (45°F). Maximums can reach 22°C (72°F), and minimums can be as low as -2°C (28°F). This variation in temperature suggests that travelers should pack both warm and light clothing to stay comfortable during their visit.
In Rimouski in May, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.
In Rimouski in May humidity is 82%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities feel much colder and less inviting, which can make exploring less enjoyable unless you're dressed warmly.
In Rimouski in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rimouski.
UV Risk Categories
Weather in Rimouski varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rimouski, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 78 mm (3.1 inches) | 94% | low |
| February Weather | -9°C (16°F) | 62 mm (2.4 inches) | 93% | moderate |
| March Weather | -4°C (24°F) | 75 mm (3.0 inches) | 91% | moderate |
| April Weather | 1°C (35°F) | 104 mm (4.1 inches) | 89% | high |
| May Weather | 7°C (45°F) | 82 mm (3.2 inches) | 82% | very high |
| June Weather | 13°C (55°F) | 69 mm (2.7 inches) | 74% | very high |
| July Weather | 16°C (62°F) | 64 mm (2.5 inches) | 80% | very high |
| August Weather | 17°C (63°F) | 61 mm (2.4 inches) | 83% | very high |
| September Weather | 13°C (55°F) | 83 mm (3.3 inches) | 85% | high |
| October Weather | 8°C (46°F) | 123 mm (4.8 inches) | 88% | moderate |
| November Weather | 1°C (34°F) | 108 mm (4.3 inches) | 89% | low |
| December Weather | -5°C (23°F) | 86 mm (3.4 inches) | 94% | low |