Last updated: June 18, 2025
In May, the average temperature in Thorold, Canada hovers around 12°C (54°F). Expect fluctuations, with minimums dipping to 0°C (33°F) and maximums reaching a pleasant 25°C (78°F). Be prepared for 104 mm (4.1 in) of precipitation over 13 days, accompanied by an average humidity of 82%.
In May in Thorold, the average temperature is 12°C (54°F), with maximums reaching up to 25°C (78°F) and minimums dipping as low as 0°C (33°F). This mild weather makes Thorold an ideal destination for outdoor activities and exploring the local sights during this time of year.
In Thorold in May, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.
In Thorold in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.
In Thorold 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 Thorold.
UV Risk Categories
Weather in Thorold varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Thorold, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -2°C (29°F) | 79 mm (3.1 inches) | 91% | low |
February Weather | -2°C (29°F) | 85 mm (3.4 inches) | 91% | moderate |
March Weather | 1°C (34°F) | 77 mm (3.0 inches) | 88% | moderate |
April Weather | 6°C (43°F) | 118 mm (4.6 inches) | 88% | very high |
May Weather | 12°C (54°F) | 104 mm (4.1 inches) | 82% | very high |
June Weather | 18°C (65°F) | 84 mm (3.3 inches) | 79% | very high |
July Weather | 22°C (73°F) | 124 mm (4.9 inches) | 77% | very high |
August Weather | 22°C (72°F) | 85 mm (3.4 inches) | 72% | very high |
September Weather | 19°C (66°F) | 80 mm (3.2 inches) | 76% | high |
October Weather | 13°C (56°F) | 133 mm (5.2 inches) | 83% | moderate |
November Weather | 6°C (42°F) | 92 mm (3.6 inches) | 88% | moderate |
December Weather | 1°C (35°F) | 93 mm (3.7 inches) | 87% | low |