Last updated: June 18, 2025
In October, the average temperature in St. Stephen, Canada hovers around 10°C (50°F), with a minimum dipping as low as -5°C (23°F) and a maximum peaking at 25°C (77°F). Expect frequent showers with an average precipitation of 109 mm (4.3 in) over 11 days, while the air remains quite humid with an average humidity of 82%.
In October in St. Stephen, the average temperature is 10°C (50°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -5°C (23°F). This makes it essential for travelers to pack layers to stay comfortable throughout the day.
In St. Stephen in October, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.
In St. Stephen in October, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.
In St. Stephen in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in St. Stephen.
UV Risk Categories
Weather in St. Stephen varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in St. Stephen, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 98 mm (3.9 inches) | 83% | low |
February Weather | -5°C (23°F) | 90 mm (3.5 inches) | 84% | moderate |
March Weather | -1°C (30°F) | 72 mm (2.8 inches) | 82% | moderate |
April Weather | 5°C (42°F) | 119 mm (4.7 inches) | 80% | high |
May Weather | 11°C (53°F) | 107 mm (4.2 inches) | 78% | very high |
June Weather | 17°C (62°F) | 91 mm (3.6 inches) | 82% | very high |
July Weather | 20°C (68°F) | 91 mm (3.6 inches) | 84% | very high |
August Weather | 20°C (68°F) | 76 mm (3.0 inches) | 82% | very high |
September Weather | 16°C (61°F) | 88 mm (3.5 inches) | 82% | high |
October Weather | 10°C (50°F) | 109 mm (4.3 inches) | 82% | moderate |
November Weather | 3°C (37°F) | 136 mm (5.4 inches) | 84% | moderate |
December Weather | -3°C (26°F) | 122 mm (4.8 inches) | 82% | low |