Last updated: August 27, 2025
In December, the average temperature in Bartoszyce, Poland hovers around 1°C (34°F), with minimums dipping to a frosty -17°C (2°F) and maximums reaching a chilly 10°C (51°F). Expect 53 mm (2.1 in) of precipitation spread over 12 days, contributing to an average humidity of 92%. Bundle up and prepare for a damp, cold adventure!
In December in Bartoszyce, the average temperature is 1°C (34°F). The maximum can reach 10°C (51°F), while the minimum can dip as low as -17°C (2°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their time outdoors.
In Bartoszyce in December, the total precipitation amount is 53 mm (2.1 in) spread over 12 days.
In Bartoszyce 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 Bartoszyce 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 Bartoszyce.
UV Risk Categories
Weather in Bartoszyce varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bartoszyce, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 47 mm (1.8 inches) | 91% | low |
| February Weather | 0°C (32°F) | 41 mm (1.6 inches) | 90% | low |
| March Weather | 3°C (37°F) | 48 mm (1.9 inches) | 89% | moderate |
| April Weather | 7°C (45°F) | 42 mm (1.7 inches) | 85% | moderate |
| May Weather | 12°C (54°F) | 82 mm (3.2 inches) | 74% | high |
| June Weather | 18°C (64°F) | 59 mm (2.3 inches) | 75% | high |
| July Weather | 18°C (65°F) | 107 mm (4.2 inches) | 76% | high |
| August Weather | 18°C (65°F) | 77 mm (3.0 inches) | 76% | high |
| September Weather | 14°C (58°F) | 69 mm (2.7 inches) | 81% | moderate |
| October Weather | 10°C (50°F) | 74 mm (2.9 inches) | 89% | moderate |
| November Weather | 5°C (42°F) | 42 mm (1.7 inches) | 91% | low |
| December Weather | 1°C (34°F) | 53 mm (2.1 inches) | 92% | low |