Last updated: August 27, 2025
In December, the average temperature in Katy Opolskie, Poland hovers around 2°C (37°F), with a range that can dip as low as -11°C (13°F) and reach a pleasant 15°C (60°F). This month also sees a fair amount of rainfall, averaging 54 mm (2.1 in) over about 13 days. The atmosphere is quite humid, with an average humidity of 92%, making it a chilly yet characteristically wet month.
In December in Katy Opolskie, the average temperature is 2°C (37°F). The maximum can reach 15°C (60°F), while the minimum can drop as low as -11°C (13°F). Be prepared for a chilly adventure, with warm layers for the daytime and warmer gear for those colder nights.
In Katy Opolskie in December, the precipitation amount is 54 mm (2.1 in), falling over the course of 13 days.
In Katy Opolskie in December humidity is 92%. With an average temperature of 2°C (37°F), this humidity feels like a chilling embrace that clings to your skin, making every step feel heavier and wrapping you in a damp shroud, which can be quite uncomfortable for traveling.
In Katy Opolskie 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 Katy Opolskie.
UV Risk Categories
Weather in Katy Opolskie varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Katy Opolskie, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (33°F) | 37 mm (1.4 inches) | 90% | low |
| February Weather | 2°C (36°F) | 48 mm (1.9 inches) | 88% | low |
| March Weather | 5°C (41°F) | 43 mm (1.7 inches) | 86% | moderate |
| April Weather | 10°C (50°F) | 48 mm (1.9 inches) | 79% | moderate |
| May Weather | 14°C (58°F) | 79 mm (3.1 inches) | 65% | high |
| June Weather | 20°C (68°F) | 80 mm (3.2 inches) | 66% | very high |
| July Weather | 20°C (69°F) | 73 mm (2.9 inches) | 67% | very high |
| August Weather | 21°C (69°F) | 78 mm (3.1 inches) | 67% | high |
| September Weather | 16°C (60°F) | 75 mm (3.0 inches) | 72% | high |
| October Weather | 11°C (53°F) | 71 mm (2.8 inches) | 83% | moderate |
| November Weather | 6°C (44°F) | 37 mm (1.5 inches) | 90% | low |
| December Weather | 2°C (37°F) | 54 mm (2.1 inches) | 92% | low |