Last updated: August 28, 2025
In December, the average temperature in Kosy, Ukraine hovers around 1°C (34°F), with a minimum drop to -12°C (10°F) and peaking at 13°C (55°F). Expect 50 mm (2.0 in) of precipitation spread over 12 days, creating a rather damp atmosphere with an average humidity of 88%.
In December in Kosy, the average temperature is 1°C (34°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -12°C (10°F). This chilly weather makes it essential to pack warm clothing if you're planning to travel during this time.
In Kosy in December, the precipitation amount is 50 mm (2.0 in), occurring over the course of 12 days.
In Kosy in December humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.
In Kosy 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 Kosy, you can visit Hourly UV Index in Kosy.
UV Risk Categories
Weather in Kosy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kosy, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 34 mm (1.3 inches) | 89% | low |
| February Weather | 0°C (33°F) | 34 mm (1.3 inches) | 87% | moderate |
| March Weather | 4°C (39°F) | 43 mm (1.7 inches) | 84% | moderate |
| April Weather | 10°C (51°F) | 36 mm (1.4 inches) | 78% | high |
| May Weather | 16°C (60°F) | 57 mm (2.3 inches) | 69% | very high |
| June Weather | 21°C (70°F) | 82 mm (3.2 inches) | 69% | very high |
| July Weather | 22°C (72°F) | 70 mm (2.8 inches) | 63% | very high |
| August Weather | 23°C (73°F) | 25 mm (1.0 inches) | 50% | very high |
| September Weather | 17°C (63°F) | 47 mm (1.9 inches) | 58% | high |
| October Weather | 11°C (53°F) | 33 mm (1.3 inches) | 78% | moderate |
| November Weather | 5°C (41°F) | 28 mm (1.1 inches) | 87% | moderate |
| December Weather | 1°C (34°F) | 50 mm (2.0 inches) | 88% | low |