Last updated: August 22, 2025
In Petit-Thier, Belgium, the average temperature in December hovers around 3°C (37°F), with extremes ranging from a chilly -6°C (22°F) to a mild 13°C (55°F). During this month, residents can expect 137 mm (5.4 in) of precipitation spread over 21 days, contributing to an average humidity of a notable 92%. Embrace the crisp air and frequent rain, perfect for cozy indoor activities!
In December in Petit-Thier, the average temperature is 3°C (37°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -6°C (22°F). Travelers should be prepared for chilly conditions and pack accordingly to enjoy their visit.
In Petit-Thier in December, the precipitation amount is 137 mm (5.4 in) over the course of 21 days.
In Petit-Thier in December humidity is 92%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket that clings to your skin, making every step feel laborious and the cold air seem even more biting, a challenging environment for traveling.
In Petit-Thier 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 Petit-Thier.
UV Risk Categories
Weather in Petit-Thier varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Petit-Thier, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 97 mm (3.8 inches) | 91% | low |
| February Weather | 2°C (36°F) | 88 mm (3.5 inches) | 90% | moderate |
| March Weather | 5°C (41°F) | 107 mm (4.2 inches) | 87% | moderate |
| April Weather | 8°C (47°F) | 51 mm (2.0 inches) | 84% | moderate |
| May Weather | 11°C (53°F) | 96 mm (3.8 inches) | 77% | very high |
| June Weather | 16°C (61°F) | 105 mm (4.1 inches) | 74% | very high |
| July Weather | 17°C (62°F) | 93 mm (3.7 inches) | 72% | very high |
| August Weather | 17°C (63°F) | 95 mm (3.7 inches) | 71% | high |
| September Weather | 13°C (56°F) | 82 mm (3.2 inches) | 81% | high |
| October Weather | 10°C (49°F) | 93 mm (3.7 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 72 mm (2.8 inches) | 91% | low |
| December Weather | 3°C (37°F) | 137 mm (5.4 inches) | 92% | low |