Last updated: August 27, 2025
In December, the average temperature in Mereni, Romania hovers around 5°C (41°F), with a minimum dip to -10°C (14°F) and a maximum reaching 19°C (67°F). Expect about 61 mm (2.4 in) of precipitation spread across 11 days, contributing to an average humidity of 84%. Whether you're braving the chill or enjoying the milder days, be prepared for a mix of weather!
In December in Mereni, the average temperature is 5°C (41°F). Maximums can reach 19°C (67°F), and minimums can drop as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack layers to stay comfortable during their visit.
In Mereni in December, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.
In Mereni in December humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.
In Mereni 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 Mereni, you can visit Hourly UV Index in Mereni.
UV Risk Categories
Weather in Mereni varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mereni, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 48 mm (1.9 inches) | 84% | low |
| February Weather | 4°C (40°F) | 43 mm (1.7 inches) | 81% | moderate |
| March Weather | 6°C (44°F) | 52 mm (2.0 inches) | 79% | high |
| April Weather | 11°C (51°F) | 32 mm (1.3 inches) | 75% | high |
| May Weather | 17°C (62°F) | 52 mm (2.0 inches) | 77% | very high |
| June Weather | 21°C (70°F) | 99 mm (3.9 inches) | 71% | very high |
| July Weather | 23°C (74°F) | 67 mm (2.6 inches) | 69% | very high |
| August Weather | 24°C (76°F) | 18 mm (0.7 inches) | 60% | very high |
| September Weather | 20°C (68°F) | 17 mm (0.7 inches) | 63% | high |
| October Weather | 14°C (58°F) | 49 mm (1.9 inches) | 76% | moderate |
| November Weather | 9°C (48°F) | 42 mm (1.7 inches) | 81% | moderate |
| December Weather | 5°C (41°F) | 61 mm (2.4 inches) | 84% | low |