Last updated: August 27, 2025
In December, the average temperature in Zalewo, Poland hovers around 1°C (34°F). Expect chilly conditions, with temperatures dipping as low as -12°C (10°F) at night and reaching a maximum of 10°C (50°F) during the day. With an average humidity of 93%, the air feels crisp and damp. Prepare for the possibility of rain, as 57 mm (2.2 in) of precipitation is expected over 13 days.
In December in Zalewo, the average temperature is 1°C (34°F). Maximum temperatures can reach 10°C (50°F) and minimum can be as low as -12°C (10°F). It’s advisable to dress in layers and prepare for chilly conditions if you're planning to travel during this time.
In Zalewo in December, the precipitation amount is 57 mm (2.2 in) over the course of 13 days.
In Zalewo in December humidity is 93%. With an average temperature of 1°C (34°F), this humidity feels like an icy blanket enveloping you, making every step outdoors a challenge as the cold air clings to your skin, intensifying the chill and dampness.
In Zalewo 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 Zalewo.
UV Risk Categories
Weather in Zalewo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Zalewo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 49 mm (1.9 inches) | 91% | low |
| February Weather | 0°C (32°F) | 46 mm (1.8 inches) | 90% | low |
| March Weather | 3°C (38°F) | 47 mm (1.9 inches) | 87% | moderate |
| April Weather | 8°C (46°F) | 41 mm (1.6 inches) | 79% | moderate |
| May Weather | 12°C (54°F) | 85 mm (3.3 inches) | 63% | high |
| June Weather | 18°C (64°F) | 82 mm (3.2 inches) | 61% | very high |
| July Weather | 18°C (65°F) | 108 mm (4.2 inches) | 63% | very high |
| August Weather | 18°C (65°F) | 75 mm (2.9 inches) | 65% | high |
| September Weather | 14°C (58°F) | 79 mm (3.1 inches) | 75% | moderate |
| October Weather | 10°C (50°F) | 72 mm (2.8 inches) | 85% | moderate |
| November Weather | 5°C (42°F) | 44 mm (1.8 inches) | 90% | low |
| December Weather | 1°C (34°F) | 57 mm (2.2 inches) | 93% | low |