Last updated: June 18, 2025
In Harbour Breton, Canada, the average temperature in December hovers around 0°C (32°F), with minimum temperatures plummeting to -11°C (13°F) and peaking at 13°C (55°F). During this chilly month, expect about 168 mm (6.6 in) of precipitation over 15 days, contributing to an average humidity level of 81%. Stay warm and prepared for the elements!
In December in Harbour Breton, the average temperature is 0°C (32°F). The maximum can reach 13°C (55°F), and the minimum can be as low as -11°C (13°F). Travelers should be prepared for a chilly climate with potential fluctuations, so pack accordingly.
In Harbour Breton in December, the total precipitation amount is 168 mm (6.6 in) collected over a period of 15 days.
In Harbour Breton in December, humidity is 81%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.
In Harbour Breton in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check 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 December’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 |