Last updated: June 18, 2025
In Grand Bank, Canada, the average temperature in December hovers around 2°C (35°F). Expect temperatures to dip as low as -8°C (18°F) and rise to a pleasant 13°C (55°F). With an average precipitation of 169 mm (6.6 in) spread over 17 days, the humidity level remains high at 81%, making for a chilly and damp atmosphere.
In December in Grand Bank, the average temperature is 2°C (35°F). Maximums can reach 13°C (55°F), while minimums can drop as low as -8°C (18°F). Travelers should prepare for chilly conditions and dress in layers to stay comfortable during their visit.
In Grand Bank in December, the precipitation amount is 169 mm (6.6 in) occurring over the course of 17 days.
In Grand Bank in December humidity is 81%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill wrapping around you, making outdoor exploration quite uncomfortable and prompting you to seek warmth indoors rather than traveling extensively outside.
In Grand Bank 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 Grand Bank.
UV Risk Categories
Weather in Grand Bank varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grand Bank, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 117 mm (4.6 inches) | 83% | low |
| February Weather | -2°C (28°F) | 124 mm (4.9 inches) | 84% | moderate |
| March Weather | -1°C (31°F) | 138 mm (5.4 inches) | 85% | moderate |
| April Weather | 2°C (37°F) | 118 mm (4.7 inches) | 86% | high |
| May Weather | 5°C (41°F) | 97 mm (3.8 inches) | 88% | very high |
| June Weather | 9°C (49°F) | 104 mm (4.1 inches) | 91% | very high |
| July Weather | 14°C (57°F) | 138 mm (5.4 inches) | 93% | very high |
| August Weather | 17°C (63°F) | 90 mm (3.6 inches) | 92% | very high |
| September Weather | 14°C (58°F) | 119 mm (4.7 inches) | 88% | high |
| October Weather | 10°C (50°F) | 117 mm (4.6 inches) | 84% | moderate |
| November Weather | 6°C (42°F) | 147 mm (5.8 inches) | 82% | moderate |
| December Weather | 2°C (35°F) | 169 mm (6.6 inches) | 81% | low |