Last updated: June 18, 2025
In December, the average temperature in Campbellton, Canada hovers around -8°C (18°F). Expect chilly extremes, with minimums plunging to -29°C (-19°F) and occasional highs reaching 15°C (59°F). Be prepared for some damp days, as 110 mm (4.3 in) of precipitation typically falls over 12 days, contributing to an average humidity level of 88%. Stay warm and pack your umbrella!
In December in Campbellton, the average temperature is -8°C (18°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -29°C (-19°F). Travelers should be prepared for a wide range of temperatures and dress warmly for any outdoor activities.
In Campbellton in December, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.
In Campbellton in December humidity is 88%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making it essential to dress warmly and plan for quick indoor breaks while traveling.
In Campbellton 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 Campbellton, you can visit Hourly UV Index in Campbellton.
UV Risk Categories
Weather in Campbellton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Campbellton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 85 mm (3.4 inches) | 89% | low |
| February Weather | -10°C (14°F) | 75 mm (3.0 inches) | 90% | moderate |
| March Weather | -5°C (23°F) | 84 mm (3.3 inches) | 88% | moderate |
| April Weather | 2°C (35°F) | 114 mm (4.5 inches) | 86% | high |
| May Weather | 9°C (49°F) | 90 mm (3.5 inches) | 83% | very high |
| June Weather | 15°C (59°F) | 91 mm (3.6 inches) | 75% | very high |
| July Weather | 18°C (65°F) | 86 mm (3.4 inches) | 82% | very high |
| August Weather | 17°C (64°F) | 81 mm (3.2 inches) | 84% | very high |
| September Weather | 12°C (54°F) | 124 mm (4.9 inches) | 85% | high |
| October Weather | 6°C (43°F) | 116 mm (4.5 inches) | 87% | moderate |
| November Weather | -1°C (30°F) | 131 mm (5.1 inches) | 86% | low |
| December Weather | -8°C (18°F) | 110 mm (4.3 inches) | 88% | low |