Last updated: June 18, 2025
In Lac-Megantic, Canada, the average temperature in August hovers around 17°C (64°F). Expect a range that can dip to a minimum of 4°C (40°F) and soar to a maximum of 30°C (86°F). During this month, you might encounter around 114 mm (4.5 in) of precipitation spread over 15 days, resulting in an average humidity of 74%.
In August in Lac-Megantic, the average temperature is 17°C (64°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 4°C (40°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while still being prepared for cooler evenings.
In Lac-Megantic in August, the precipitation amount is 114 mm (4.5 in) spread over a duration of 15 days.
In Lac-Megantic in August, humidity is 74%. With an average temperature of 17°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities somewhat uncomfortable, especially for travelers who enjoy exploring. It's advisable to stay hydrated and take frequent breaks in the shade to fully enjoy your adventures.
In Lac-Megantic 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 Lac-Megantic.
UV Risk Categories
Weather in Lac-Megantic varies notably across the year, with each month offering distinct climate conditions. This page compares August’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 |