Last updated: June 18, 2025
In Saint-Jerome, Canada, the average temperature in December hovers around -6°C (21°F). However, be prepared for a range, as temperatures can plummet to a minimum of -27°C (-16°F) and rise to a maximum of 14°C (57°F). Expect 93 mm (3.7 in) of precipitation spread over 11 days, accompanied by an average humidity level of 89%.
In December in Saint-Jerome, the average temperature is -6°C (21°F). The maximum can reach 14°C (57°F) and the minimum can be as low as -27°C (-16°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable while exploring.
In Saint-Jerome in December, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.
In Saint-Jerome in December, humidity is 89%. With an average temperature of -6°C (21°F), this humidity feels like an uncomfortable chill that seeps into your bones, making traveling outdoors an arduous task as the cold air mixes with dampness, often leaving you feeling cold and clammy despite layers of clothing.
In Saint-Jerome in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint-Jerome, you can visit Hourly UV Index in Saint-Jerome.
UV Risk Categories
Weather in Saint-Jerome varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Jerome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 85 mm (3.4 inches) | 93% | low |
| February Weather | -8°C (18°F) | 89 mm (3.5 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 90 mm (3.6 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 121 mm (4.8 inches) | 85% | high |
| May Weather | 13°C (56°F) | 105 mm (4.1 inches) | 80% | very high |
| June Weather | 18°C (65°F) | 106 mm (4.2 inches) | 74% | very high |
| July Weather | 21°C (71°F) | 110 mm (4.3 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 104 mm (4.1 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 82 mm (3.2 inches) | 78% | high |
| October Weather | 9°C (48°F) | 129 mm (5.1 inches) | 86% | moderate |
| November Weather | 0°C (33°F) | 112 mm (4.4 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 93 mm (3.7 inches) | 89% | low |