Lac-Mégantic Weather in December
What's the weather like in Lac-Mégantic (Quebec) in December 2025?
The climate in Lac-Mégantic during December can be summarized as cold and a little damp.
December is in the winter in Lac-Mégantic and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -4°C (25°F), whilst at night -13°C (9°F) is normal.
| Daytime temperature | -3.7°C 25.3°F |
|---|---|
| Nightly temperature | -12.9°C 8.8°F |
| Average temperature | -8.3°C 17.1°F |
| Daily sunshine | 2 hrs |
| Avg rainfall | 92 mm 3.6 ins |
| Rainy days | 16 days |
| Sea temperature | 5.7°C 42.2°F |
| Humidity | 77% |
| Windspeed | 12.2kph 8 mph |
On average December is the 6th driest month of the year in Lac-Mégantic with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
December temperatures in Lac-Mégantic
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Lac-Mégantic in December 2025.
Other monthly averages
Best places to visit in December
Lac-Mégantic weather stats
| Hottest month: | July | 23°C 73.4°F |
|---|---|---|
| Driest month: | February | 67mm 2.6ins |
| Sunniest month: | July | 7.9hrs |
| Coldest month: | January | -7.1°C 19.2°F |
| Wettest month: | August | 125mm 4.9ins |
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