Last updated: June 18, 2025
In December, the average temperature in Truro, Canada hovers around -2°C (29°F), with extremes ranging from a chilly -19°C (-1°F) to a surprisingly warm 16°C (60°F). Expect about 112 mm (4.4 in) of precipitation spread over 12 days, contributing to an average humidity of around 83%. Be prepared for a brisk and damp atmosphere!
In December in Truro, the average temperature is -2°C (29°F), with maximums reaching 16°C (60°F) and minimums plummeting to as low as -19°C (-1°F). Be prepared for a wide range of temperatures when traveling to Truro during this time.
In Truro in December, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.
In Truro in December, humidity is 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.
In Truro 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 Truro, you can visit Hourly UV Index in Truro.
UV Risk Categories
Weather in Truro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Truro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 88 mm (3.5 inches) | 82% | low |
| February Weather | -4°C (25°F) | 110 mm (4.3 inches) | 83% | moderate |
| March Weather | -1°C (30°F) | 94 mm (3.7 inches) | 82% | moderate |
| April Weather | 5°C (41°F) | 112 mm (4.4 inches) | 82% | high |
| May Weather | 10°C (49°F) | 91 mm (3.6 inches) | 82% | very high |
| June Weather | 15°C (60°F) | 100 mm (3.9 inches) | 84% | very high |
| July Weather | 19°C (67°F) | 92 mm (3.6 inches) | 86% | very high |
| August Weather | 19°C (67°F) | 73 mm (2.9 inches) | 85% | very high |
| September Weather | 15°C (60°F) | 98 mm (3.9 inches) | 83% | high |
| October Weather | 10°C (49°F) | 95 mm (3.7 inches) | 83% | moderate |
| November Weather | 4°C (39°F) | 147 mm (5.8 inches) | 85% | moderate |
| December Weather | -2°C (29°F) | 112 mm (4.4 inches) | 83% | low |