Last updated: August 27, 2025
The average temperature in Westerlee, Netherlands during December hovers around 5°C (41°F). Expect chilly days, with temperatures dipping as low as -8°C (18°F) and reaching a maximum of 13°C (56°F). This month experiences a precipitation level of 75 mm (2.9 in) across about 16 days, contributing to an average humidity of 86%. Be prepared for a wet and cool atmosphere!
In December in Westerlee, the average temperature is 5°C (41°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -8°C (18°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.
In Westerlee in December, the precipitation amount is 75 mm (2.9 in) spread over 16 days.
In Westerlee in December humidity is 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.
In Westerlee 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 Westerlee.
UV Risk Categories
Weather in Westerlee varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Westerlee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 61 mm (2.4 inches) | 88% | low |
| February Weather | 4°C (40°F) | 60 mm (2.4 inches) | 88% | low |
| March Weather | 6°C (43°F) | 71 mm (2.8 inches) | 86% | moderate |
| April Weather | 9°C (48°F) | 49 mm (1.9 inches) | 84% | moderate |
| May Weather | 13°C (55°F) | 70 mm (2.8 inches) | 80% | high |
| June Weather | 17°C (63°F) | 81 mm (3.2 inches) | 75% | very high |
| July Weather | 18°C (64°F) | 97 mm (3.8 inches) | 75% | high |
| August Weather | 18°C (65°F) | 91 mm (3.6 inches) | 75% | high |
| September Weather | 15°C (59°F) | 64 mm (2.5 inches) | 83% | moderate |
| October Weather | 12°C (53°F) | 85 mm (3.3 inches) | 86% | moderate |
| November Weather | 7°C (45°F) | 51 mm (2.0 inches) | 87% | low |
| December Weather | 5°C (41°F) | 75 mm (2.9 inches) | 86% | low |