Last updated: June 18, 2025
In August, the average temperature in Harbour Breton, Canada hovers around 17°C (63°F), with a minimum of 9°C (49°F) and a maximum reaching up to 22°C (72°F). Expect 104 mm (4.1 in) of precipitation spread over 13 days, contributing to an average humidity level of a brisk 92%. Be prepared for the wet weather while enjoying the mild temperatures!
In August in Harbour Breton, the average temperature is 17°C (63°F), with maximums reaching 22°C (72°F) and minimums dropping to as low as 9°C (49°F). This climate makes it a great time for travelers to enjoy outdoor activities while experiencing mild and comfortable weather.
In Harbour Breton in August, the precipitation amount is 104 mm (4.1 in) over the course of 13 days.
In Harbour Breton in August, humidity is 92%. With an average temperature of 17°C (63°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making even the simplest outdoor activities feel exhausting and sticky for travelers.
In Harbour Breton in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Harbour Breton.
UV Risk Categories
Weather in Harbour Breton varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 |