Last updated: August 27, 2025
In December, the average temperature in Osiecznica, Poland hovers around 3°C (38°F). You'll experience chilly days, with minimum temperatures dropping to -12°C (11°F) and highs reaching up to 12°C (55°F). Expect significant precipitation, averaging 55 mm (2.2 in) over 12 days, and prepare for a notably damp atmosphere with an average humidity of 92%.
In December in Osiecznica, the average temperature is 3°C (38°F). Maximum temperatures can reach 12°C (55°F), while minimum temperatures can plunge to as low as -12°C (11°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.
In Osiecznica in December, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.
In Osiecznica in December humidity is 92%. With an average temperature of 3°C (38°F), this humidity feels like a wet chill that seeps into your bones, making outdoor activities uncomfortable and travel arrangements challenging.
In Osiecznica 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 Osiecznica.
UV Risk Categories
Weather in Osiecznica varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Osiecznica, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 52 mm (2.1 inches) | 90% | low |
| February Weather | 2°C (37°F) | 49 mm (1.9 inches) | 89% | low |
| March Weather | 5°C (41°F) | 50 mm (2.0 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 35 mm (1.4 inches) | 81% | moderate |
| May Weather | 14°C (58°F) | 57 mm (2.3 inches) | 71% | high |
| June Weather | 20°C (69°F) | 51 mm (2.0 inches) | 75% | very high |
| July Weather | 20°C (68°F) | 74 mm (2.9 inches) | 74% | very high |
| August Weather | 21°C (69°F) | 63 mm (2.5 inches) | 76% | high |
| September Weather | 16°C (60°F) | 58 mm (2.3 inches) | 81% | high |
| October Weather | 11°C (53°F) | 62 mm (2.4 inches) | 85% | moderate |
| November Weather | 6°C (43°F) | 41 mm (1.6 inches) | 88% | low |
| December Weather | 3°C (38°F) | 55 mm (2.2 inches) | 92% | low |