Last updated: August 27, 2025
In December, the average temperature in Lomza, Poland hovers around 1°C (33°F), with a minimum of -12°C (10°F) and a maximum reaching up to 10°C (51°F). Expect 12 days of precipitation, accumulating to about 55 mm (2.2 in), and brace for a high humidity level of 93%.
In December in Lomza, the average temperature is 1°C (33°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -12°C (10°F). Travelers should prepare for chilly weather and consider layering their clothing for comfort during this time.
In Lomza in December, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.
In Lomza in December, humidity is 93%. With an average temperature of 1°C (33°F), this humidity feels like an icy blanket enveloping you, making traveling quite uncomfortable as the dampness seeps into your clothes and chills you to the bone.
In Lomza 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 Lomza.
UV Risk Categories
Weather in Lomza varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lomza, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (30°F) | 42 mm (1.7 inches) | 92% | low |
| February Weather | -1°C (31°F) | 43 mm (1.7 inches) | 90% | low |
| March Weather | 3°C (37°F) | 42 mm (1.6 inches) | 87% | moderate |
| April Weather | 8°C (46°F) | 37 mm (1.5 inches) | 76% | moderate |
| May Weather | 13°C (56°F) | 80 mm (3.2 inches) | 58% | high |
| June Weather | 19°C (66°F) | 71 mm (2.8 inches) | 56% | high |
| July Weather | 19°C (67°F) | 98 mm (3.8 inches) | 59% | very high |
| August Weather | 19°C (66°F) | 86 mm (3.4 inches) | 60% | high |
| September Weather | 14°C (58°F) | 74 mm (2.9 inches) | 71% | moderate |
| October Weather | 9°C (49°F) | 66 mm (2.6 inches) | 86% | moderate |
| November Weather | 5°C (41°F) | 38 mm (1.5 inches) | 90% | low |
| December Weather | 1°C (33°F) | 55 mm (2.2 inches) | 93% | low |