Last updated: August 27, 2025
In December, the average temperature in Nysa, Poland hovers around 2°C (36°F). Residents can expect temperatures to dip as low as -11°C (12°F) and rise to a pleasant maximum of 13°C (55°F). With 57 mm (2.2 in) of precipitation spread over 13 days, it's advisable to keep an umbrella handy. The air is quite humid, with an average humidity of 91%, adding a touch of chill to the atmosphere.
In December in Nysa, the average temperature is 2°C (36°F), with a maximum that can reach 13°C (55°F) and a minimum that can drop as low as -11°C (12°F). Be sure to pack warm clothing if you're planning to travel during this time.
In Nysa in December, the precipitation amount is 57 mm (2.2 in) over the course of 13 days.
In Nysa in December humidity is 91%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that clings to your skin, making every step outside a reminder of the cold, crisp air that sharpens your senses but can also dampen your spirits as you navigate the wet conditions.
In Nysa 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 Nysa.
UV Risk Categories
Weather in Nysa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nysa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 42 mm (1.7 inches) | 89% | low |
| February Weather | 2°C (35°F) | 50 mm (2.0 inches) | 87% | low |
| March Weather | 4°C (40°F) | 47 mm (1.8 inches) | 84% | moderate |
| April Weather | 9°C (48°F) | 53 mm (2.1 inches) | 78% | high |
| May Weather | 13°C (56°F) | 91 mm (3.6 inches) | 63% | high |
| June Weather | 19°C (66°F) | 88 mm (3.5 inches) | 63% | very high |
| July Weather | 19°C (66°F) | 86 mm (3.4 inches) | 61% | very high |
| August Weather | 20°C (67°F) | 78 mm (3.1 inches) | 65% | high |
| September Weather | 15°C (59°F) | 89 mm (3.5 inches) | 72% | high |
| October Weather | 11°C (51°F) | 76 mm (3.0 inches) | 80% | moderate |
| November Weather | 6°C (43°F) | 39 mm (1.5 inches) | 87% | low |
| December Weather | 2°C (36°F) | 57 mm (2.2 inches) | 91% | low |