Last updated: August 23, 2025
In December, the average temperature in Trnava, Czech Republic hovers around 1°C (33°F). Expect chilly conditions, with minimums dipping to -11°C (13°F) and maximums reaching up to 10°C (51°F). It's a wet month with 51 mm (2.0 in) of precipitation spread over 13 days, and the air feels quite damp, boasting an average humidity of 91%.
In December in Trnava, the average temperature is 1°C (33°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -11°C (13°F). Travelers should be prepared for chilly weather and pack warm clothing.
In Trnava in December, the precipitation amount is 51 mm (2.0 in) spread over 13 days.
In Trnava in December humidity is 91%. With an average temperature of 1°C (33°F), this humidity feels like a bone-chilling dampness that seeps into your clothing, making it feel much colder as you travel.
In Trnava 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 Trnava.
UV Risk Categories
Weather in Trnava varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trnava, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 36 mm (1.4 inches) | 90% | low |
| February Weather | 1°C (34°F) | 37 mm (1.4 inches) | 87% | moderate |
| March Weather | 4°C (39°F) | 38 mm (1.5 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 38 mm (1.5 inches) | 78% | high |
| May Weather | 13°C (55°F) | 82 mm (3.2 inches) | 73% | very high |
| June Weather | 18°C (65°F) | 81 mm (3.2 inches) | 77% | very high |
| July Weather | 19°C (66°F) | 91 mm (3.6 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 75 mm (2.9 inches) | 76% | high |
| September Weather | 14°C (58°F) | 81 mm (3.2 inches) | 75% | high |
| October Weather | 10°C (49°F) | 54 mm (2.1 inches) | 85% | moderate |
| November Weather | 4°C (40°F) | 45 mm (1.8 inches) | 90% | low |
| December Weather | 1°C (33°F) | 51 mm (2.0 inches) | 91% | low |