Last updated: June 18, 2025
In May, the average temperature in Richelieu, Canada is a mild 14°C (57°F), with a temperature range that can swing from a chilly -2°C (28°F) to a sizzling 36°C (97°F). Expect 98 mm (3.8 in) of precipitation spread over about 12 days, contributing to an average humidity of 80%. Be prepared for a mix of weather as you enjoy your time in this vibrant location!
In May in Richelieu, the average temperature is 14°C (57°F). The maximum can reach 36°C (97°F), and the minimum can be as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both lightweight and warm clothing for their visit.
In Richelieu in May, the precipitation amount is 98 mm (3.8 in) spread over 12 days.
In Richelieu 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 Richelieu 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 Richelieu.
UV Risk Categories
Weather in Richelieu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Richelieu, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (17°F) | 85 mm (3.4 inches) | 93% | low |
February Weather | -7°C (20°F) | 81 mm (3.2 inches) | 92% | moderate |
March Weather | -2°C (29°F) | 84 mm (3.3 inches) | 86% | moderate |
April Weather | 6°C (43°F) | 119 mm (4.7 inches) | 85% | very high |
May Weather | 14°C (57°F) | 98 mm (3.8 inches) | 80% | very high |
June Weather | 19°C (66°F) | 105 mm (4.1 inches) | 74% | very high |
July Weather | 22°C (72°F) | 103 mm (4.1 inches) | 76% | very high |
August Weather | 21°C (70°F) | 113 mm (4.5 inches) | 75% | very high |
September Weather | 16°C (61°F) | 70 mm (2.8 inches) | 78% | high |
October Weather | 10°C (50°F) | 141 mm (5.5 inches) | 86% | moderate |
November Weather | 1°C (35°F) | 117 mm (4.6 inches) | 88% | moderate |
December Weather | -5°C (24°F) | 87 mm (3.4 inches) | 89% | low |