Last updated: June 18, 2025
In Milton, Canada, the average temperature in December hovers around -1°C (30°F). Temperatures can swing dramatically, with minimums reaching -25°C (-13°F) and maximums peaking at 16°C (61°F). Expect about 70 mm (2.8 in) of precipitation spread over 11 days, contributing to an average humidity of 87%. Stay cozy!
In December in Milton, the average temperature is -1°C (30°F), with maximums reaching 16°C (61°F) and minimums plummeting to as low as -25°C (-13°F). Be sure to pack accordingly for your trip, as you'll experience a wide range of temperatures that can vary significantly day to day.
In Milton in December, the precipitation amount is 70 mm (2.8 in) distributed over 11 days.
In Milton 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 Milton 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 Milton, you can visit Hourly UV Index in Milton.
UV Risk Categories
Weather in Milton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Milton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 67 mm (2.6 inches) | 90% | low |
| February Weather | -4°C (25°F) | 72 mm (2.8 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 60 mm (2.4 inches) | 87% | moderate |
| April Weather | 6°C (43°F) | 102 mm (4.0 inches) | 87% | very high |
| May Weather | 13°C (56°F) | 95 mm (3.7 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 97 mm (3.8 inches) | 81% | very high |
| July Weather | 22°C (72°F) | 79 mm (3.1 inches) | 79% | very high |
| August Weather | 21°C (70°F) | 87 mm (3.4 inches) | 80% | very high |
| September Weather | 17°C (63°F) | 64 mm (2.5 inches) | 81% | high |
| October Weather | 11°C (52°F) | 98 mm (3.9 inches) | 84% | moderate |
| November Weather | 3°C (37°F) | 73 mm (2.9 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 70 mm (2.8 inches) | 87% | low |