Saint-Jérôme Weather in December
What's the weather like in Saint-Jérôme (Quebec) in December 2025?
The climate in Saint-Jérôme during December can be summarized as cold and a little damp.
December is in the winter in Saint-Jérôme 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 (8°F) is normal.
| Daytime temperature | -4.1°C 24.6°F |
|---|---|
| Nightly temperature | -13.3°C 8.1°F |
| Average temperature | -8.7°C 16.3°F |
| Daily sunshine | 3 hrs |
| Avg rainfall | 94 mm 3.7 ins |
| Rainy days | 15 days |
| Sea temperature | 5.2°C 41.4°F |
| Humidity | 78% |
| Windspeed | 13.7kph 9 mph |
On average December is the 5th wettest month of the year in Saint-Jérôme with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 3 hours of sunshine per day.
December temperatures in Saint-Jérôme
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 Saint-Jérôme in December 2025.
Other monthly averages
Best places to visit in December
Saint-Jérôme weather stats
| Hottest month: | July | 25.2°C 77.4°F |
|---|---|---|
| Driest month: | February | 67mm 2.6ins |
| Sunniest month: | July | 9.2hrs |
| Coldest month: | January | -7°C 19.4°F |
| Wettest month: | August | 101mm 4ins |
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