Last updated: August 28, 2025
In December, the average temperature in Kupiansk, Ukraine hovers around -1°C (31°F). Expect chilly days with minimum temperatures dipping to -19°C (-2°F) and a potential high of 11°C (52°F). The weather is definitely on the wet side, with 57 mm (2.2 in) of precipitation expected over 11 days, and the air feels quite damp, boasting an average humidity of 94%.
In December in Kupiansk, the average temperature is -1°C (31°F), with maximums reaching up to 11°C (52°F) and minimums dropping as low as -19°C (-2°F). Travelers should be prepared for chilly conditions and fluctuating temperatures during this time.
In Kupiansk in December, the precipitation amount is 57 mm (2.2 in) spread over 11 days.
In Kupiansk in December humidity is 94%. With an average temperature of -1°C (31°F), this humidity feels like a damp chill that seeps into your bones, making travel outdoors quite uncomfortable as the cold, heavy air clings to your skin.
In Kupiansk in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Kupiansk.
UV Risk Categories
Weather in Kupiansk varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kupiansk, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 49 mm (1.9 inches) | 88% | low |
| February Weather | -3°C (27°F) | 44 mm (1.8 inches) | 92% | moderate |
| March Weather | 2°C (35°F) | 47 mm (1.9 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 40 mm (1.6 inches) | 75% | high |
| May Weather | 16°C (60°F) | 64 mm (2.5 inches) | 65% | high |
| June Weather | 21°C (71°F) | 41 mm (1.6 inches) | 64% | very high |
| July Weather | 23°C (73°F) | 44 mm (1.7 inches) | 52% | very high |
| August Weather | 22°C (72°F) | 27 mm (1.1 inches) | 47% | high |
| September Weather | 17°C (62°F) | 29 mm (1.1 inches) | 60% | high |
| October Weather | 10°C (51°F) | 34 mm (1.3 inches) | 78% | moderate |
| November Weather | 2°C (36°F) | 39 mm (1.5 inches) | 91% | low |
| December Weather | -1°C (31°F) | 57 mm (2.2 inches) | 94% | low |