Last updated: August 23, 2025
In December, the average temperature in Hejnice, Czech Republic hovers around 2°C (35°F), with a minimum dip to -13°C (8°F) and a maximum reaching 11°C (52°F). Expect approximately 81 mm (3.2 in) of precipitation spread across 16 days, contributing to a high average humidity of 91%. Prepare for a chilly and damp month ahead!
In December in Hejnice, the average temperature is 2°C (35°F). The maximum can reach 11°C (52°F), and the minimum can be as low as -13°C (8°F). Be prepared for chilly weather and dress in layers to stay comfortable during your travels.
In Hejnice in December, the precipitation amount is 81 mm (3.2 in), falling over the course of 16 days.
In Hejnice in December, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.
In Hejnice 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 Hejnice.
UV Risk Categories
Weather in Hejnice varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hejnice, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 69 mm (2.7 inches) | 89% | low |
| February Weather | 1°C (34°F) | 65 mm (2.5 inches) | 87% | low |
| March Weather | 4°C (39°F) | 63 mm (2.5 inches) | 84% | moderate |
| April Weather | 8°C (47°F) | 47 mm (1.8 inches) | 78% | high |
| May Weather | 12°C (54°F) | 90 mm (3.5 inches) | 63% | high |
| June Weather | 18°C (64°F) | 88 mm (3.5 inches) | 63% | very high |
| July Weather | 18°C (65°F) | 88 mm (3.5 inches) | 61% | very high |
| August Weather | 18°C (65°F) | 113 mm (4.5 inches) | 65% | high |
| September Weather | 14°C (57°F) | 84 mm (3.3 inches) | 72% | high |
| October Weather | 10°C (50°F) | 87 mm (3.4 inches) | 80% | moderate |
| November Weather | 5°C (41°F) | 48 mm (1.9 inches) | 87% | low |
| December Weather | 2°C (35°F) | 81 mm (3.2 inches) | 91% | low |