Last updated: June 18, 2025
In Oromocto, Canada, the average temperature in December hovers around -4°C (26°F). Expect chilling lows of -22°C (-8°F) and, occasionally, highs of 15°C (60°F). This month also sees about 112 mm (4.4 in) of precipitation over roughly 11 days, paired with an average humidity of 82%. Stay warm and prepare for wet days ahead!
In December in Oromocto, the average temperature is -4°C (26°F), with maximums reaching 15°C (60°F) and minimums plummeting to -22°C (-8°F). Be prepared for a wide range of temperatures when traveling during this month.
In Oromocto in December, the precipitation amount is 112 mm (4.4 in) that occurs over the course of 11 days.
In Oromocto in December humidity is 82%. With an average temperature of -4°C (26°F), this humidity feels like an icy blanket enveloping you, making every step outside a battle against the chill and dampness—where the cold bites deeper, and the air feels heavy, reminding you that even in the winter, the moisture can be overwhelming for any traveler unprepared for such conditions.
In Oromocto 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 Oromocto, you can visit Hourly UV Index in Oromocto.
UV Risk Categories
Weather in Oromocto varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Oromocto, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 98 mm (3.8 inches) | 83% | low |
| February Weather | -6°C (22°F) | 93 mm (3.7 inches) | 84% | moderate |
| March Weather | -2°C (29°F) | 77 mm (3.0 inches) | 82% | moderate |
| April Weather | 5°C (42°F) | 107 mm (4.2 inches) | 80% | high |
| May Weather | 11°C (52°F) | 111 mm (4.4 inches) | 78% | very high |
| June Weather | 17°C (62°F) | 95 mm (3.7 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 92 mm (3.6 inches) | 84% | very high |
| August Weather | 20°C (68°F) | 79 mm (3.1 inches) | 82% | very high |
| September Weather | 15°C (60°F) | 90 mm (3.5 inches) | 82% | high |
| October Weather | 9°C (49°F) | 97 mm (3.8 inches) | 82% | moderate |
| November Weather | 2°C (36°F) | 140 mm (5.5 inches) | 84% | moderate |
| December Weather | -4°C (26°F) | 112 mm (4.4 inches) | 82% | low |