Last updated: August 27, 2025
In December, the average temperature in Gromadka, Poland hovers around 2°C (37°F), with a minimum dropping to -13°C (10°F) and a maximum peaking at 12°C (54°F). Expect 61 mm (2.4 in) of precipitation spread over 15 days, accompanied by a high average humidity of 91%. Stay prepared for a chilly and wet month!
In December in Gromadka, the average temperature is 2°C (37°F). Maximum temperatures can reach 12°C (54°F), while the minimum can dip as low as -13°C (10°F). Travelers should be prepared for chilly conditions and pack appropriately for the varying temperatures.
In Gromadka in December, the precipitation amount is 61 mm (2.4 in) over the course of 15 days.
In Gromadka 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 Gromadka 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 Gromadka.
UV Risk Categories
Weather in Gromadka varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gromadka, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 53 mm (2.1 inches) | 89% | low |
| February Weather | 2°C (35°F) | 52 mm (2.0 inches) | 87% | low |
| March Weather | 5°C (40°F) | 51 mm (2.0 inches) | 84% | moderate |
| April Weather | 9°C (49°F) | 41 mm (1.6 inches) | 78% | high |
| May Weather | 13°C (56°F) | 75 mm (2.9 inches) | 63% | high |
| June Weather | 19°C (67°F) | 62 mm (2.4 inches) | 63% | very high |
| July Weather | 19°C (67°F) | 74 mm (2.9 inches) | 61% | very high |
| August Weather | 20°C (68°F) | 72 mm (2.9 inches) | 65% | high |
| September Weather | 15°C (59°F) | 71 mm (2.8 inches) | 72% | high |
| October Weather | 11°C (52°F) | 73 mm (2.9 inches) | 80% | moderate |
| November Weather | 6°C (43°F) | 39 mm (1.5 inches) | 87% | low |
| December Weather | 2°C (37°F) | 61 mm (2.4 inches) | 91% | low |