Last updated: August 22, 2025
In December, the average temperature in Saint-Pierre, Belgium hovers around 3°C (38°F). Expect conditions to vary, with minimums dipping to -5°C (23°F) and highs reaching up to 13°C (56°F). Rain is also a factor, with an average precipitation of 146 mm (5.7 in) spread over 20 days, contributing to a high average humidity of 93%.
In December in Saint-Pierre, the average temperature is 3°C (38°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -5°C (23°F). Be prepared for chilly weather and dress in layers if you're planning to explore during this time.
In Saint-Pierre in December, the precipitation amount is 146 mm (5.7 in) spread over a duration of 20 days.
In Saint-Pierre in December, humidity is 93%. With an average temperature of 3°C (38°F), this humidity feels like a thick, chilly fog that clings to your skin, making every step outdoors feel heavier and more exhausting, which can be quite uninviting for travelers.
In Saint-Pierre 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 Saint-Pierre.
UV Risk Categories
Weather in Saint-Pierre varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Pierre, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 97 mm (3.8 inches) | 91% | low |
| February Weather | 3°C (38°F) | 91 mm (3.6 inches) | 90% | moderate |
| March Weather | 5°C (42°F) | 109 mm (4.3 inches) | 88% | moderate |
| April Weather | 9°C (48°F) | 50 mm (2.0 inches) | 84% | moderate |
| May Weather | 12°C (54°F) | 89 mm (3.5 inches) | 81% | very high |
| June Weather | 17°C (62°F) | 94 mm (3.7 inches) | 82% | very high |
| July Weather | 17°C (63°F) | 83 mm (3.3 inches) | 82% | very high |
| August Weather | 17°C (63°F) | 83 mm (3.3 inches) | 80% | very high |
| September Weather | 14°C (57°F) | 78 mm (3.1 inches) | 83% | high |
| October Weather | 10°C (50°F) | 98 mm (3.8 inches) | 89% | moderate |
| November Weather | 5°C (41°F) | 77 mm (3.0 inches) | 91% | low |
| December Weather | 3°C (38°F) | 146 mm (5.7 inches) | 93% | low |