Last updated: August 28, 2025
In December, the average temperature in Roylyanka, Ukraine hovers around 3°C (37°F). Expect chilly conditions, with temperatures dipping as low as -10°C (14°F) and peaking at a mild 16°C (60°F). Precipitation is common, with around 43 mm (1.7 in) falling over 9 days, and a notable average humidity of 88% to keep the air crisp and fresh. Prepare accordingly!
In December in Roylyanka, the average temperature is 3°C (37°F). Maximums can reach 16°C (60°F) and minimums can be as low as -10°C (14°F). Be prepared for a wide range of temperatures during your travels, layering your clothing to stay comfortable in both chilly and milder weather.
In Roylyanka in December, the precipitation amount reaches 43 mm (1.7 in) over the course of 9 days.
In Roylyanka in December, humidity is 88%. With an average temperature of 3°C (37°F), this humidity feels like a chilling fog that clings to your skin, making every step outside a damp and brisk challenge for travelers.
In Roylyanka 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 Roylyanka, you can visit Hourly UV Index in Roylyanka.
UV Risk Categories
Weather in Roylyanka varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Roylyanka, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 36 mm (1.4 inches) | 89% | low |
| February Weather | 2°C (36°F) | 32 mm (1.3 inches) | 87% | moderate |
| March Weather | 5°C (41°F) | 33 mm (1.3 inches) | 84% | moderate |
| April Weather | 10°C (51°F) | 34 mm (1.3 inches) | 78% | high |
| May Weather | 16°C (62°F) | 50 mm (2.0 inches) | 69% | very high |
| June Weather | 22°C (71°F) | 75 mm (3.0 inches) | 69% | very high |
| July Weather | 23°C (74°F) | 44 mm (1.7 inches) | 63% | very high |
| August Weather | 24°C (75°F) | 33 mm (1.3 inches) | 50% | very high |
| September Weather | 18°C (66°F) | 26 mm (1.0 inches) | 58% | high |
| October Weather | 13°C (55°F) | 31 mm (1.2 inches) | 78% | moderate |
| November Weather | 6°C (44°F) | 22 mm (0.9 inches) | 87% | moderate |
| December Weather | 3°C (37°F) | 43 mm (1.7 inches) | 88% | low |