Last updated: August 27, 2025
In December, the average temperature in Osiek Jasielski, Poland hovers around 1°C (34°F). Expect a chilly range with minimums dipping to -17°C (2°F) and maximums reaching 12°C (54°F). Throughout the month, anticipate about 73 mm (2.9 in) of precipitation over 16 days, paired with a high average humidity of 91%. Stay warm and prepared for damp conditions!
In December in Osiek Jasielski, the average temperature is 1°C (34°F). The maximum can reach 12°C (54°F) and the minimum can be as low as -17°C (2°F). Travelers should be prepared for cold weather and pack accordingly to ensure a comfortable experience.
In Osiek Jasielski in December, the precipitation amount is 73 mm (2.9 in) spread over 16 days.
In Osiek Jasielski in December, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.
In Osiek Jasielski 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 Osiek Jasielski.
UV Risk Categories
Weather in Osiek Jasielski varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Osiek Jasielski, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (30°F) | 46 mm (1.8 inches) | 91% | low |
| February Weather | 1°C (33°F) | 64 mm (2.5 inches) | 88% | moderate |
| March Weather | 4°C (39°F) | 47 mm (1.9 inches) | 86% | moderate |
| April Weather | 9°C (48°F) | 61 mm (2.4 inches) | 77% | high |
| May Weather | 14°C (57°F) | 107 mm (4.2 inches) | 69% | high |
| June Weather | 19°C (66°F) | 90 mm (3.6 inches) | 69% | very high |
| July Weather | 19°C (67°F) | 105 mm (4.1 inches) | 63% | very high |
| August Weather | 19°C (67°F) | 104 mm (4.1 inches) | 59% | high |
| September Weather | 15°C (59°F) | 90 mm (3.6 inches) | 69% | high |
| October Weather | 10°C (51°F) | 80 mm (3.1 inches) | 85% | moderate |
| November Weather | 5°C (42°F) | 58 mm (2.3 inches) | 90% | low |
| December Weather | 1°C (34°F) | 73 mm (2.9 inches) | 91% | low |