Last updated: June 18, 2025
In December, the average temperature in Morinville, Canada hovers around -9°C (15°F), with extremes that can plunge to a chilling -40°C (-41°F) or rise to a mild 8°C (47°F). Expect approximately 20 mm (0.8 in) of precipitation spread over 5 days, while the air maintains a high average humidity of 91%, making for a distinctly crisp atmosphere.
In December in Morinville, the average temperature is -9°C (15°F). Maximums can reach 8°C (47°F) and minimums can be as low as -40°C (-41°F). Be prepared for extreme cold if you're planning to travel during this time.
In Morinville in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.
In Morinville in December humidity is 91%. With an average temperature of -9°C (15°F), this humidity feels like a biting chill that cuts through layers of clothing, making every step outdoors feel increasingly cumbersome and encouraging travelers to seek shelter and warmth as the dampness seeps into their bones.
In Morinville 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 Morinville.
UV Risk Categories
Weather in Morinville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Morinville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 18 mm (0.7 inches) | 90% | low |
| February Weather | -13°C (9°F) | 20 mm (0.8 inches) | 92% | moderate |
| March Weather | -5°C (23°F) | 23 mm (0.9 inches) | 87% | moderate |
| April Weather | 2°C (36°F) | 29 mm (1.1 inches) | 81% | high |
| May Weather | 11°C (52°F) | 57 mm (2.2 inches) | 77% | high |
| June Weather | 15°C (60°F) | 105 mm (4.1 inches) | 77% | high |
| July Weather | 17°C (63°F) | 98 mm (3.9 inches) | 81% | very high |
| August Weather | 16°C (60°F) | 63 mm (2.5 inches) | 78% | high |
| September Weather | 10°C (51°F) | 41 mm (1.6 inches) | 73% | high |
| October Weather | 3°C (38°F) | 27 mm (1.1 inches) | 78% | moderate |
| November Weather | -5°C (23°F) | 37 mm (1.5 inches) | 82% | low |
| December Weather | -9°C (15°F) | 20 mm (0.8 inches) | 91% | low |