Last updated: June 18, 2025
In December, the average temperature in Corner Brook, Canada hovers around -2°C (29°F), with daily extremes ranging from a chilly -13°C (8°F) to a mild 12°C (55°F). Expect 156 mm (6.1 in) of precipitation over 21 days, coupled with an average humidity of 85%. Prepare for a wintry mix that makes this time of year both crisp and captivating!
In December in Corner Brook, the average temperature is -2°C (29°F), with maximums reaching 12°C (55°F) and minimums dropping as low as -13°C (8°F). Be sure to pack warm clothing and prepare for chilly conditions if you plan to travel during this time.
In Corner Brook in December, the total precipitation amount is 156 mm (6.1 in) over the course of 21 days.
In Corner Brook in December, humidity is 85%. With an average temperature of -2°C (29°F), this humidity feels like a chilling, damp blanket that clings to your skin, making travel uncomfortable and often prompting an urgent search for warmth and shelter.
In Corner Brook in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Corner Brook.
UV Risk Categories
Weather in Corner Brook varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Corner Brook, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 101 mm (4.0 inches) | 88% | low |
| February Weather | -7°C (19°F) | 124 mm (4.9 inches) | 90% | moderate |
| March Weather | -4°C (25°F) | 109 mm (4.3 inches) | 89% | moderate |
| April Weather | 1°C (34°F) | 103 mm (4.0 inches) | 88% | high |
| May Weather | 6°C (42°F) | 98 mm (3.9 inches) | 87% | very high |
| June Weather | 11°C (52°F) | 105 mm (4.2 inches) | 85% | very high |
| July Weather | 15°C (60°F) | 86 mm (3.4 inches) | 90% | very high |
| August Weather | 17°C (63°F) | 125 mm (4.9 inches) | 90% | very high |
| September Weather | 13°C (55°F) | 123 mm (4.8 inches) | 87% | high |
| October Weather | 7°C (45°F) | 130 mm (5.1 inches) | 84% | moderate |
| November Weather | 3°C (37°F) | 163 mm (6.4 inches) | 83% | low |
| December Weather | -2°C (29°F) | 156 mm (6.1 inches) | 85% | low |