Last updated: June 18, 2025
In October, the average temperature in Saint-Hyacinthe, Canada hovers around 10°C (49°F). However, you may experience a chill with minimums plummeting to -6°C (21°F), while the maximum can reach a pleasant 26°C (79°F). Expect a decent amount of rainfall, with 133 mm (5.3 in) spread across 13 days. Don't forget, the atmosphere carries a notable 86% humidity, adding to the overall sensation of the season!
In October in Saint-Hyacinthe, the average temperature is 10°C (49°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop as low as -6°C (21°F). This varied climate makes Saint-Hyacinthe a great destination for travelers seeking diverse weather experiences.
In Saint-Hyacinthe in October, the precipitation amount is 133 mm (5.3 in) over the course of 13 days.
In Saint-Hyacinthe in October, humidity is 86%. With an average temperature of 10°C (49°F), this humidity feels like a chilly blanket enveloping you, making travel somewhat uncomfortable as the dampness accentuates the cold, leaving you feeling clammy and chilled, which is a reminder to dress in layers and stay prepared for the damp air.
In Saint-Hyacinthe 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 Saint-Hyacinthe.
UV Risk Categories
Weather in Saint-Hyacinthe varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Saint-Hyacinthe, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 86 mm (3.4 inches) | 93% | low |
| February Weather | -7°C (19°F) | 82 mm (3.2 inches) | 92% | moderate |
| March Weather | -2°C (28°F) | 85 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) | 107 mm (4.2 inches) | 74% | very high |
| July Weather | 22°C (71°F) | 98 mm (3.9 inches) | 76% | very high |
| August Weather | 21°C (69°F) | 113 mm (4.5 inches) | 75% | very high |
| September Weather | 16°C (61°F) | 64 mm (2.5 inches) | 78% | high |
| October Weather | 10°C (49°F) | 133 mm (5.3 inches) | 86% | moderate |
| November Weather | 1°C (34°F) | 118 mm (4.6 inches) | 88% | moderate |
| December Weather | -5°C (23°F) | 89 mm (3.5 inches) | 89% | low |