Last updated: August 27, 2025
In December, the average temperature in Grojec, Poland hovers around 1°C (35°F). Expect chilly minimums of -14°C (7°F) and maximums reaching 14°C (57°F). During this month, precipitation averages around 47 mm (1.9 in) over 11 days, while the air remains notably humid with an average of 91% humidity. Prepare accordingly for a brisk and damp winter experience!
In December in Grojec, the average temperature is 1°C (35°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.
In Grojec in December, the total precipitation amount is 47 mm (1.9 in) over the course of 11 days.
In Grojec in December humidity is 91%. With an average temperature of 1°C (35°F), this humidity feels like an icy mist clinging to your skin, making every step outside a challenge as you contend with the chill and dampness that wraps around you, dampening the joy of exploration.
In Grojec 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 Grojec.
UV Risk Categories
Weather in Grojec varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grojec, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 36 mm (1.4 inches) | 91% | low |
| February Weather | 1°C (33°F) | 44 mm (1.7 inches) | 89% | low |
| March Weather | 4°C (39°F) | 38 mm (1.5 inches) | 86% | moderate |
| April Weather | 9°C (48°F) | 56 mm (2.2 inches) | 76% | moderate |
| May Weather | 14°C (57°F) | 85 mm (3.4 inches) | 58% | high |
| June Weather | 19°C (67°F) | 64 mm (2.5 inches) | 56% | very high |
| July Weather | 20°C (68°F) | 85 mm (3.4 inches) | 56% | very high |
| August Weather | 20°C (68°F) | 108 mm (4.2 inches) | 55% | high |
| September Weather | 15°C (59°F) | 79 mm (3.1 inches) | 68% | high |
| October Weather | 10°C (51°F) | 69 mm (2.7 inches) | 84% | moderate |
| November Weather | 5°C (42°F) | 38 mm (1.5 inches) | 89% | low |
| December Weather | 1°C (35°F) | 47 mm (1.9 inches) | 91% | low |