Last updated: August 28, 2025
In Ostroh, Ukraine, the average temperature in December hovers around 0°C (33°F), making for a chilly atmosphere. Temperatures can dip as low as -13°C (8°F), while the mercury may rise to a milder 13°C (56°F). Expect 66 mm (2.6 in) of precipitation spread across about 16 days, with an average humidity rate of 92%, adding to the damp and brisk climate.
In December in Ostroh, the average temperature is 0°C (33°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -13°C (8°F). This climate provides a chilly backdrop, so be sure to pack warm clothing if you're planning to travel during this time.
In Ostroh, in December, the precipitation amount is 66 mm (2.6 in) over a span of 16 days.
In Ostroh in December, humidity is 92%. With an average temperature of 0°C (33°F), this humidity feels like wrapping yourself in a wet, heavy blanket, making travel uncomfortable and chilly, as the damp air penetrates your clothes and makes it challenging to stay warm and dry.
In Ostroh 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 Ostroh.
UV Risk Categories
Weather in Ostroh varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ostroh, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 35 mm (1.4 inches) | 93% | low |
| February Weather | -1°C (31°F) | 54 mm (2.1 inches) | 90% | moderate |
| March Weather | 3°C (37°F) | 48 mm (1.9 inches) | 88% | moderate |
| April Weather | 9°C (48°F) | 37 mm (1.5 inches) | 75% | high |
| May Weather | 14°C (58°F) | 90 mm (3.5 inches) | 60% | high |
| June Weather | 19°C (67°F) | 88 mm (3.5 inches) | 61% | very high |
| July Weather | 20°C (68°F) | 91 mm (3.6 inches) | 59% | very high |
| August Weather | 20°C (68°F) | 68 mm (2.7 inches) | 57% | high |
| September Weather | 15°C (59°F) | 46 mm (1.8 inches) | 69% | high |
| October Weather | 10°C (50°F) | 47 mm (1.9 inches) | 87% | moderate |
| November Weather | 4°C (40°F) | 33 mm (1.3 inches) | 91% | low |
| December Weather | 0°C (33°F) | 66 mm (2.6 inches) | 92% | low |