Last updated: June 18, 2025
In Gander, Canada, the average temperature in December hovers around -2°C (29°F). Expect chilly conditions with minimums plummeting to -16°C (4°F) and maximums reaching up to 14°C (58°F). During this month, the area sees an average precipitation of 124 mm (4.9 in), spread over 17 days, contributing to a humid environment with an average humidity of 85%.
In December in Gander, the average temperature is -2°C (29°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -16°C (4°F). Travelers should be prepared for chilly weather and pack appropriately for fluctuating temperatures.
In Gander in December, the precipitation amount is 124 mm (4.9 in) over the course of 17 days.
In Gander in December, humidity is 85%. With an average temperature of -2°C (29°F), this humidity feels like a chilling, damp blanket that clings to your skin, making travel uncomfortable and often prompting an urgent search for warmth and shelter.
In Gander in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Gander.
UV Risk Categories
Weather in Gander varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gander, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 80 mm (3.2 inches) | 85% | low |
| February Weather | -6°C (22°F) | 95 mm (3.7 inches) | 87% | moderate |
| March Weather | -3°C (27°F) | 108 mm (4.2 inches) | 88% | moderate |
| April Weather | 2°C (36°F) | 114 mm (4.5 inches) | 90% | high |
| May Weather | 6°C (43°F) | 93 mm (3.7 inches) | 89% | very high |
| June Weather | 12°C (54°F) | 87 mm (3.4 inches) | 86% | very high |
| July Weather | 17°C (62°F) | 79 mm (3.1 inches) | 89% | very high |
| August Weather | 18°C (64°F) | 81 mm (3.2 inches) | 90% | very high |
| September Weather | 13°C (55°F) | 99 mm (3.9 inches) | 88% | high |
| October Weather | 7°C (45°F) | 97 mm (3.8 inches) | 87% | moderate |
| November Weather | 3°C (37°F) | 102 mm (4.0 inches) | 85% | low |
| December Weather | -2°C (29°F) | 124 mm (4.9 inches) | 85% | low |