Last updated: June 18, 2025
In December, the average temperature in Simcoe, Canada hovers around 1°C (34°F), with minimums dipping as low as -18°C (0°F) and maximums reaching up to 14°C (57°F). Expect significant precipitation, averaging 89 mm (3.5 in) spread over about 14 days, and a notably high humidity level of 87%. Prepare for a chilly and damp month!
In December in Simcoe, the average temperature is 1°C (34°F). Maximum temperatures can reach 14°C (57°F), while the minimum can drop to as low as -18°C (0°F). This range means travelers should be well-prepared for both chilly days and potentially colder nights.
In Simcoe in December, the precipitation amount is 89 mm (3.5 in) over a span of 14 days.
In Simcoe in December humidity is 87%. With an average temperature of 1°C (34°F), this humidity feels like a chilling blanket enveloping you, making every step outside feel heavy and damp, and leaving you longing for warmth and comfort while traveling.
In Simcoe 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 Simcoe, you can visit Hourly UV Index in Simcoe.
UV Risk Categories
Weather in Simcoe varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Simcoe, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 78 mm (3.1 inches) | 90% | moderate |
| February Weather | -2°C (28°F) | 81 mm (3.2 inches) | 90% | moderate |
| March Weather | 1°C (34°F) | 80 mm (3.2 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 104 mm (4.1 inches) | 87% | very high |
| May Weather | 13°C (55°F) | 106 mm (4.2 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 85 mm (3.3 inches) | 81% | very high |
| July Weather | 23°C (73°F) | 101 mm (4.0 inches) | 79% | very high |
| August Weather | 22°C (72°F) | 91 mm (3.6 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 80 mm (3.2 inches) | 81% | very high |
| October Weather | 13°C (55°F) | 118 mm (4.6 inches) | 84% | high |
| November Weather | 5°C (41°F) | 92 mm (3.6 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 89 mm (3.5 inches) | 87% | low |