Last updated: August 27, 2025
In December, the average temperature in Hanna, Poland hovers around 1°C (34°F). Expect chilly moments, with minimum temperatures dipping as low as -16°C (3°F), while the mercury can rise to a maximum of 12°C (54°F). Be prepared for some wet days, as 52 mm (2.1 in) of precipitation is likely over 13 days. With an average humidity of 92%, you'll feel the winter's embrace!
In December in Hanna, the average temperature is 1°C (34°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -16°C (3°F). Travelers should be prepared for cold conditions and pack warm clothing to enjoy their visit.
In Hanna in December, the precipitation amount is 52 mm (2.1 in) spread over 13 days.
In Hanna in December humidity is 92%. With average temperature 1°C (34°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable as the chill seeps into your bones, and the air feels heavy and suffocating, leaving little room for any warmth or comfort.
In Hanna 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 Hanna.
UV Risk Categories
Weather in Hanna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hanna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 41 mm (1.6 inches) | 92% | low |
| February Weather | 0°C (32°F) | 43 mm (1.7 inches) | 89% | low |
| March Weather | 3°C (38°F) | 41 mm (1.6 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 49 mm (1.9 inches) | 77% | moderate |
| May Weather | 14°C (57°F) | 85 mm (3.4 inches) | 62% | high |
| June Weather | 20°C (67°F) | 80 mm (3.2 inches) | 61% | very high |
| July Weather | 20°C (68°F) | 84 mm (3.3 inches) | 60% | very high |
| August Weather | 20°C (67°F) | 92 mm (3.6 inches) | 60% | high |
| September Weather | 15°C (59°F) | 72 mm (2.8 inches) | 70% | high |
| October Weather | 10°C (50°F) | 61 mm (2.4 inches) | 86% | moderate |
| November Weather | 5°C (41°F) | 34 mm (1.3 inches) | 90% | low |
| December Weather | 1°C (34°F) | 52 mm (2.1 inches) | 92% | low |