Last updated: June 18, 2025
In May, the average temperature in Lac-Megantic, Canada hovers around 10°C (51°F). While you might experience minimum temperatures dipping to -3°C (26°F), it’s possible to feel the warmth of the sun with highs reaching 30°C (86°F). Be prepared for 111 mm (4.4 in) of precipitation spread over about 14 days, and keep in mind the average humidity is around 78%. 🌦️
In May in Lac-Megantic, the average temperature is 10°C (51°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as -3°C (26°F). This varied climate makes Lac-Megantic an ideal destination for travelers seeking both warm and cool experiences during their visit.
In Lac-Megantic in May, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.
In Lac-Megantic in May, humidity is 78%. With an average temperature of 10°C (51°F), this humidity feels like a cool, damp mist enveloping you, making travel feel somewhat brisk and invigorating, yet slightly uncomfortable for prolonged outdoor activities.
In Lac-Megantic in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lac-Megantic.
UV Risk Categories
Weather in Lac-Megantic varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Lac-Megantic, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 92 mm (3.6 inches) | 91% | low |
| February Weather | -8°C (17°F) | 87 mm (3.4 inches) | 89% | moderate |
| March Weather | -4°C (24°F) | 84 mm (3.3 inches) | 85% | moderate |
| April Weather | 3°C (38°F) | 121 mm (4.7 inches) | 84% | high |
| May Weather | 10°C (51°F) | 111 mm (4.4 inches) | 78% | very high |
| June Weather | 15°C (60°F) | 115 mm (4.5 inches) | 72% | very high |
| July Weather | 18°C (65°F) | 114 mm (4.5 inches) | 75% | very high |
| August Weather | 17°C (64°F) | 114 mm (4.5 inches) | 74% | very high |
| September Weather | 13°C (56°F) | 79 mm (3.1 inches) | 77% | high |
| October Weather | 7°C (45°F) | 136 mm (5.4 inches) | 85% | moderate |
| November Weather | -1°C (30°F) | 112 mm (4.4 inches) | 86% | moderate |
| December Weather | -7°C (20°F) | 92 mm (3.6 inches) | 85% | low |