Last updated: August 27, 2025
In Cusma, Romania during December, the average temperature hovers around -1°C (31°F), with a chilling minimum of -17°C (2°F) and a mild maximum of 11°C (52°F). Expect precipitation of approximately 94 mm (3.7 in) over 17 days, coupled with a high average humidity of 92%, creating a uniquely brisk atmosphere.
In December in Cusma, the average temperature is -1°C (31°F), with maximums that can reach 11°C (52°F) and minimums that can drop as low as -17°C (2°F). Be prepared for chilly conditions and pack accordingly to enjoy your travels in this winter wonderland.
In Cusma in December, the precipitation amount is 94 mm (3.7 in) over the course of 17 days.
In Cusma in December humidity is 92%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, damp chill that seeps into your bones, making travel uncomfortable and challenging as the cold air mixes with the moisture, creating a biting sensation that lingers long after stepping outside.
In Cusma 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 Cusma, you can visit Hourly UV Index in Cusma.
UV Risk Categories
Weather in Cusma varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cusma, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 51 mm (2.0 inches) | 93% | low |
| February Weather | -1°C (30°F) | 85 mm (3.4 inches) | 88% | moderate |
| March Weather | 2°C (36°F) | 68 mm (2.7 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 62 mm (2.4 inches) | 79% | high |
| May Weather | 12°C (54°F) | 133 mm (5.3 inches) | 71% | very high |
| June Weather | 17°C (62°F) | 131 mm (5.2 inches) | 71% | very high |
| July Weather | 17°C (64°F) | 113 mm (4.5 inches) | 64% | very high |
| August Weather | 18°C (65°F) | 72 mm (2.8 inches) | 55% | very high |
| September Weather | 13°C (56°F) | 72 mm (2.8 inches) | 64% | high |
| October Weather | 8°C (47°F) | 63 mm (2.5 inches) | 83% | moderate |
| November Weather | 4°C (39°F) | 39 mm (1.5 inches) | 91% | moderate |
| December Weather | -1°C (31°F) | 94 mm (3.7 inches) | 92% | low |