Last updated: August 23, 2025
In December, the average temperature in Kostelec nad Labem, Czech Republic hovers around 3°C (37°F). Expect chilly days as temperatures can dip to a brisk -8°C (18°F) at their lowest, while reaching a mild 12°C (54°F) at the high end. Prepare for some rain; 48 mm (1.9 in) of precipitation is expected over approximately 12 days. With an average humidity level of 92%, it’s a truly damp and cool month!
In December in Kostelec nad Labem, the average temperature is 3°C (37°F). The maximum can reach 12°C (54°F), while the minimum can drop to as low as -8°C (18°F). Travelers should be prepared for chilly weather and pack accordingly to stay warm.
In Kostelec nad Labem in December, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.
In Kostelec nad Labem 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 Kostelec nad Labem 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 Kostelec nad Labem.
UV Risk Categories
Weather in Kostelec nad Labem varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kostelec nad Labem, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 36 mm (1.4 inches) | 90% | low |
| February Weather | 2°C (36°F) | 44 mm (1.8 inches) | 89% | low |
| March Weather | 5°C (41°F) | 45 mm (1.8 inches) | 87% | moderate |
| April Weather | 10°C (49°F) | 31 mm (1.2 inches) | 81% | moderate |
| May Weather | 14°C (58°F) | 79 mm (3.1 inches) | 71% | very high |
| June Weather | 20°C (68°F) | 83 mm (3.3 inches) | 75% | very high |
| July Weather | 20°C (69°F) | 61 mm (2.4 inches) | 74% | very high |
| August Weather | 21°C (69°F) | 75 mm (2.9 inches) | 76% | high |
| September Weather | 16°C (60°F) | 57 mm (2.2 inches) | 81% | high |
| October Weather | 11°C (52°F) | 58 mm (2.3 inches) | 85% | moderate |
| November Weather | 6°C (42°F) | 39 mm (1.5 inches) | 88% | low |
| December Weather | 3°C (37°F) | 48 mm (1.9 inches) | 92% | low |