Last updated: August 27, 2025
The average temperature in Osiecznica, Poland during December hovers around 2°C (37°F). Expect chilly days with temperatures dipping as low as -13°C (10°F), while the mercury can peak at a mild 12°C (55°F). With 65 mm (2.6 in) of precipitation spread over 15 days, it’s wise to have an umbrella on hand. The average humidity is a cozy 91%, making for a crisp, if sometimes damp, atmosphere.
In December in Osiecznica, the average temperature is 2°C (37°F), with maximums reaching 12°C (55°F) and minimums dipping as low as -13°C (10°F). Travelers should be prepared for chilly weather and pack accordingly to stay warm during their visit.
In Osiecznica in December, the total precipitation amount reaches 65 mm (2.6 in) over the course of 15 days.
In Osiecznica in December, humidity is 91%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm and dry.
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 (34°F) | 57 mm (2.2 inches) | 89% | low |
| February Weather | 2°C (36°F) | 55 mm (2.2 inches) | 87% | low |
| March Weather | 5°C (40°F) | 55 mm (2.2 inches) | 84% | moderate |
| April Weather | 9°C (49°F) | 42 mm (1.6 inches) | 78% | high |
| May Weather | 13°C (56°F) | 75 mm (3.0 inches) | 63% | high |
| June Weather | 19°C (67°F) | 63 mm (2.5 inches) | 63% | very high |
| July Weather | 19°C (67°F) | 72 mm (2.8 inches) | 61% | very high |
| August Weather | 20°C (68°F) | 75 mm (3.0 inches) | 65% | high |
| September Weather | 15°C (59°F) | 72 mm (2.8 inches) | 72% | high |
| October Weather | 11°C (52°F) | 76 mm (3.0 inches) | 80% | moderate |
| November Weather | 6°C (43°F) | 40 mm (1.6 inches) | 87% | low |
| December Weather | 2°C (37°F) | 65 mm (2.6 inches) | 91% | low |