Last updated: August 27, 2025
In December, the average temperature in Colonia 1 Mai, Romania hovers around 1°C (33°F). Be prepared for a chill, as temperatures can dip as low as -16°C (3°F), while the mercury may rise to a maximum of 14°C (57°F). Expect 66 mm (2.6 in) of precipitation over approximately 13 days, alongside an average humidity level of 88%, ensuring a crisp and damp atmosphere.
In December in Colonia 1 Mai, the average temperature is 1°C (33°F), with maximums reaching 14°C (57°F) and minimums dipping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and dress appropriately for both chilly and mild conditions.
In Colonia 1 Mai in December, the total precipitation amount is 66 mm (2.6 in) spread over the course of 13 days.
In Colonia 1 Mai in December humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.
In Colonia 1 Mai 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 Colonia 1 Mai, you can visit Hourly UV Index in Colonia 1 Mai.
UV Risk Categories
Weather in Colonia 1 Mai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Colonia 1 Mai, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 35 mm (1.4 inches) | 88% | low |
| February Weather | 0°C (33°F) | 44 mm (1.7 inches) | 85% | moderate |
| March Weather | 3°C (38°F) | 62 mm (2.4 inches) | 82% | high |
| April Weather | 9°C (48°F) | 44 mm (1.7 inches) | 73% | high |
| May Weather | 14°C (57°F) | 98 mm (3.9 inches) | 71% | very high |
| June Weather | 18°C (64°F) | 111 mm (4.4 inches) | 70% | very high |
| July Weather | 19°C (66°F) | 95 mm (3.7 inches) | 66% | very high |
| August Weather | 20°C (68°F) | 70 mm (2.8 inches) | 48% | very high |
| September Weather | 15°C (59°F) | 43 mm (1.7 inches) | 57% | high |
| October Weather | 10°C (49°F) | 50 mm (2.0 inches) | 79% | moderate |
| November Weather | 5°C (42°F) | 40 mm (1.6 inches) | 87% | moderate |
| December Weather | 1°C (33°F) | 66 mm (2.6 inches) | 88% | low |