Last updated: August 28, 2025
In December, the average temperature in Koson, Ukraine hovers around 3°C (37°F). Expect chilly nights with minimums dropping to -13°C (9°F), while daytime can reach a milder 15°C (59°F). Be prepared for around 90 mm (3.5 in) of precipitation over 14 days, and keep in mind the high average humidity of 91%, creating that unmistakable damp atmosphere.
In December in Koson, the average temperature is 3°C (37°F), with maximums reaching up to 15°C (59°F) and minimums dropping as low as -13°C (9°F). Be sure to pack warm clothing and prepare for potentially chilly conditions during your travels.
In Koson in December, the precipitation amount is 90 mm (3.5 in) spread over a total of 14 days.
In Koson in December, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.
In Koson 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 Koson, you can visit Hourly UV Index in Koson.
UV Risk Categories
Weather in Koson varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Koson, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 56 mm (2.2 inches) | 91% | low |
| February Weather | 3°C (37°F) | 70 mm (2.7 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 49 mm (1.9 inches) | 86% | moderate |
| April Weather | 12°C (53°F) | 51 mm (2.0 inches) | 77% | high |
| May Weather | 16°C (62°F) | 97 mm (3.8 inches) | 69% | high |
| June Weather | 22°C (71°F) | 104 mm (4.1 inches) | 69% | very high |
| July Weather | 22°C (73°F) | 78 mm (3.1 inches) | 63% | very high |
| August Weather | 23°C (74°F) | 51 mm (2.0 inches) | 59% | high |
| September Weather | 18°C (64°F) | 56 mm (2.2 inches) | 69% | high |
| October Weather | 12°C (54°F) | 55 mm (2.2 inches) | 85% | moderate |
| November Weather | 7°C (45°F) | 62 mm (2.4 inches) | 90% | low |
| December Weather | 3°C (37°F) | 90 mm (3.5 inches) | 91% | low |