Last updated: August 27, 2025
In December, the average temperature in Les, Romania is a brisk 3°C (38°F). Expect chilly nights with a minimum dipping to -8°C (18°F), while daytime highs can reach a mild 16°C (62°F). Be prepared for a wet month, as precipitation can accumulate to 75 mm (2.9 in) over 14 days. With an average humidity of 92%, the atmosphere will feel quite moist, making it essential to dress warmly and stay dry!
In December in Les, the average temperature is 3°C (38°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -8°C (18°F). This time of year is ideal for travelers seeking a chilly adventure with the potential for mild daytime activities.
In Les in December, the total precipitation amount is 75 mm (2.9 in) accumulated over a period of 14 days.
In Les in December humidity is 92%. With an average temperature of 3°C (38°F), this humidity feels like a wet chill that seeps into your bones, making outdoor activities uncomfortable and travel arrangements challenging.
In Les 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 Les, you can visit Hourly UV Index in Les.
UV Risk Categories
Weather in Les varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Les, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 46 mm (1.8 inches) | 89% | low |
| February Weather | 3°C (38°F) | 57 mm (2.3 inches) | 87% | moderate |
| March Weather | 7°C (44°F) | 50 mm (2.0 inches) | 83% | moderate |
| April Weather | 12°C (54°F) | 47 mm (1.8 inches) | 75% | high |
| May Weather | 16°C (62°F) | 79 mm (3.1 inches) | 72% | very high |
| June Weather | 21°C (71°F) | 90 mm (3.6 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 63 mm (2.5 inches) | 71% | very high |
| August Weather | 23°C (74°F) | 50 mm (2.0 inches) | 62% | very high |
| September Weather | 18°C (65°F) | 41 mm (1.6 inches) | 68% | high |
| October Weather | 13°C (55°F) | 47 mm (1.9 inches) | 84% | moderate |
| November Weather | 7°C (46°F) | 55 mm (2.2 inches) | 90% | low |
| December Weather | 3°C (38°F) | 75 mm (2.9 inches) | 92% | low |