Last updated: June 18, 2025
In Plattsville, Canada, the average temperature in December hovers around -1°C (30°F). Expect a chilly range with minimums dipping to -27°C (-16°F) and maximums reaching up to 16°C (61°F). Precipitation during this month typically totals 72 mm (2.8 in) across about 13 days, while the average humidity remains high at 87%.
In December in Plattsville, the average temperature is -1°C (30°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.
In Plattsville in December, the precipitation amount is 72 mm (2.8 in) over a period of 13 days.
In Plattsville in December, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.
In Plattsville 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 Plattsville, you can visit Hourly UV Index in Plattsville.
UV Risk Categories
Weather in Plattsville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Plattsville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 72 mm (2.8 inches) | 90% | low |
| February Weather | -4°C (25°F) | 76 mm (3.0 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 67 mm (2.6 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 103 mm (4.1 inches) | 87% | very high |
| May Weather | 13°C (56°F) | 99 mm (3.9 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 108 mm (4.3 inches) | 81% | very high |
| July Weather | 22°C (72°F) | 88 mm (3.5 inches) | 79% | very high |
| August Weather | 21°C (69°F) | 96 mm (3.8 inches) | 80% | very high |
| September Weather | 17°C (63°F) | 75 mm (3.0 inches) | 81% | high |
| October Weather | 11°C (51°F) | 107 mm (4.2 inches) | 84% | moderate |
| November Weather | 3°C (37°F) | 79 mm (3.1 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 72 mm (2.8 inches) | 87% | low |