Last updated: August 27, 2025
In December, the average temperature in Miercurea-Ciuc, Romania hovers around -1°C (31°F). While the chilly weather can dip to a minimum of -16°C (4°F), it can occasionally warm up to a maximum of 11°C (52°F). Expect 55 mm (2.2 in) of precipitation scattered over 11 days, with an average humidity level of a brisk 90%.
In December in Miercurea-Ciuc, the average temperature is -1°C (31°F). The maximum can reach 11°C (52°F), while the minimum can be as low as -16°C (4°F). It's advisable to pack warm clothing and be prepared for a wide range of temperatures when traveling to Miercurea-Ciuc during this time.
In Miercurea-Ciuc, in December, the total precipitation amount is 55 mm (2.2 in) over the course of 11 days.
In Miercurea-Ciuc in December humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.
In Miercurea-Ciuc in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Miercurea-Ciuc, you can visit Hourly UV Index in Miercurea-Ciuc.
UV Risk Categories
Weather in Miercurea-Ciuc varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Miercurea-Ciuc, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 28 mm (1.1 inches) | 92% | low |
| February Weather | -1°C (30°F) | 43 mm (1.7 inches) | 88% | moderate |
| March Weather | 2°C (36°F) | 51 mm (2.0 inches) | 86% | high |
| April Weather | 7°C (45°F) | 51 mm (2.0 inches) | 79% | high |
| May Weather | 12°C (54°F) | 103 mm (4.1 inches) | 73% | very high |
| June Weather | 16°C (62°F) | 145 mm (5.7 inches) | 73% | very high |
| July Weather | 18°C (64°F) | 101 mm (4.0 inches) | 68% | very high |
| August Weather | 18°C (65°F) | 80 mm (3.2 inches) | 56% | very high |
| September Weather | 13°C (56°F) | 46 mm (1.8 inches) | 62% | high |
| October Weather | 8°C (47°F) | 41 mm (1.6 inches) | 80% | moderate |
| November Weather | 3°C (38°F) | 30 mm (1.2 inches) | 89% | moderate |
| December Weather | -1°C (31°F) | 55 mm (2.2 inches) | 90% | low |