Last updated: June 18, 2025
In May, the average temperature in Harbour Breton, Canada hovers around 4°C (40°F). Expect chilly conditions with a minimum of -1°C (30°F) and a maximum of 14°C (57°F). This time of year brings about 105 mm (4.1 in) of precipitation spread over approximately 12 days, contributing to a high average humidity of 88%. Stay warm and prepared for the wet weather!
In May in Harbour Breton, the average temperature is 4°C (40°F). Maximum temperatures can reach 14°C (57°F), while minimum temperatures can drop as low as -1°C (30°F). It's advisable to pack accordingly for a mix of cool days and colder nights.
In Harbour Breton in May, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.
In Harbour Breton in May, humidity is 88%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and prompting you to seek cozy indoor activities instead.
In Harbour Breton in May, 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 May’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 |