Last updated: June 18, 2025
In December, the average temperature in Grand Haven, Canada hovers around -10°C (15°F). However, be prepared for extremes, as temperatures can plummet to a chilling -41°C (-42°F) or rise to a mild 7°C (46°F). With an average precipitation of 23 mm (0.9 in) spread over 5 days, and an impressive humidity level of 95%, this month can feel quite frigid and damp. Dress warmly and enjoy the season's unique beauty!
In December in Grand Haven, the average temperature is -10°C (15°F), with a maximum that can reach 7°C (46°F) and a minimum that can drop as low as -41°C (-42°F). Travelers should be prepared for extreme cold and fluctuating temperatures during this time.
In Grand Haven in December, the precipitation amount is 23 mm (0.9 in) over the course of 5 days.
In Grand Haven in December, humidity is 95%. With an average temperature of -10°C (15°F), this humidity feels like a biting chill that penetrates your clothes, making outdoor activities uncomfortable and travel less enjoyable.
In Grand Haven 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 Haven.
UV Risk Categories
Weather in Grand Haven varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grand Haven, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 26 mm (1.0 inches) | 94% | low |
| February Weather | -13°C (10°F) | 26 mm (1.0 inches) | 94% | low |
| March Weather | -6°C (22°F) | 32 mm (1.3 inches) | 89% | moderate |
| April Weather | 2°C (35°F) | 28 mm (1.1 inches) | 86% | moderate |
| May Weather | 10°C (51°F) | 44 mm (1.7 inches) | 82% | high |
| June Weather | 15°C (58°F) | 85 mm (3.3 inches) | 80% | high |
| July Weather | 16°C (61°F) | 94 mm (3.7 inches) | 83% | high |
| August Weather | 15°C (59°F) | 59 mm (2.3 inches) | 80% | high |
| September Weather | 9°C (49°F) | 48 mm (1.9 inches) | 83% | moderate |
| October Weather | 2°C (37°F) | 41 mm (1.6 inches) | 86% | moderate |
| November Weather | -6°C (21°F) | 50 mm (2.0 inches) | 91% | low |
| December Weather | -10°C (15°F) | 23 mm (0.9 inches) | 95% | low |