Last updated: June 18, 2025
In October, the average temperature in Harbour Breton, Canada hovers around 9°C (49°F), with fluctuating conditions where temperatures can dip to a minimum of 0°C (32°F) and rise to a maximum of 19°C (66°F). Expect some moisture, as precipitation averages 124 mm (4.9 in) over about 13 days, accompanied by a high average humidity of 84%. Stay prepared for a mix of cool and damp weather throughout the month!
In October in Harbour Breton, the average temperature is 9°C (49°F). Maximums can reach 19°C (66°F), while minimums can drop as low as 0°C (32°F). This makes it a great time for travelers to experience the crisp air and explore outdoor activities.
In Harbour Breton in October, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.
In Harbour Breton in October, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.
In Harbour Breton in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Harbour Breton for better planning.
UV Risk Categories
Weather in Harbour Breton varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Harbour Breton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 118 mm (4.6 inches) | 83% | low |
| February Weather | -4°C (26°F) | 126 mm (5.0 inches) | 84% | moderate |
| March Weather | -2°C (29°F) | 145 mm (5.7 inches) | 85% | moderate |
| April Weather | 2°C (35°F) | 128 mm (5.0 inches) | 86% | high |
| May Weather | 4°C (40°F) | 105 mm (4.1 inches) | 88% | very high |
| June Weather | 10°C (50°F) | 118 mm (4.6 inches) | 91% | very high |
| July Weather | 14°C (58°F) | 124 mm (4.9 inches) | 93% | very high |
| August Weather | 17°C (63°F) | 104 mm (4.1 inches) | 92% | very high |
| September Weather | 14°C (57°F) | 120 mm (4.7 inches) | 88% | high |
| October Weather | 9°C (49°F) | 124 mm (4.9 inches) | 84% | moderate |
| November Weather | 5°C (41°F) | 164 mm (6.5 inches) | 82% | low |
| December Weather | 0°C (32°F) | 168 mm (6.6 inches) | 81% | low |