Last updated: June 18, 2025
In December, the average temperature in Seaforth, Canada hovers around 0°C (32°F). Expect chilly days, with minimum temperatures dipping to -17°C (2°F) and a cozy maximum of 14°C (58°F). The month brings 88 mm (3.5 in) of precipitation spread over 17 days, contributing to an average humidity of 87%. Prepare for a brisk yet captivating experience!
In December in Seaforth, the average temperature is 0°C (32°F). Maximums can reach 14°C (58°F) and minimums can be as low as -17°C (2°F). Travelers should be prepared for a chilly climate with the possibility of significant temperature variations.
In Seaforth in December, the precipitation amount is 88 mm (3.5 in) spread over 17 days.
In Seaforth in December, humidity is 87%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your skin, making travel uncomfortable and cold, as each breath brings a heavy moisture that seeps into your clothes.
In Seaforth 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 Seaforth, you can visit Hourly UV Index in Seaforth.
UV Risk Categories
Weather in Seaforth varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Seaforth, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 85 mm (3.4 inches) | 90% | low |
| February Weather | -4°C (26°F) | 90 mm (3.5 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 78 mm (3.1 inches) | 87% | moderate |
| April Weather | 5°C (41°F) | 104 mm (4.1 inches) | 87% | very high |
| May Weather | 12°C (53°F) | 97 mm (3.8 inches) | 82% | very high |
| June Weather | 18°C (64°F) | 91 mm (3.6 inches) | 81% | very high |
| July Weather | 21°C (70°F) | 79 mm (3.1 inches) | 79% | very high |
| August Weather | 20°C (69°F) | 115 mm (4.5 inches) | 80% | very high |
| September Weather | 17°C (63°F) | 99 mm (3.9 inches) | 81% | high |
| October Weather | 11°C (52°F) | 136 mm (5.3 inches) | 84% | moderate |
| November Weather | 3°C (38°F) | 115 mm (4.5 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 88 mm (3.5 inches) | 87% | low |