Last updated: August 27, 2025
In December, Konstancin-Jeziorna experiences a chilly embrace, with maximum temperatures reaching a mild 13°C (55°F), while the average hovers around a brisk 2°C (35°F), dipping as low as -14°C (7°F) on particularly cold days. This month sees approximately 50 mm (2.0 in) of precipitation spread over 11 days, contributing to the region’s characteristically high humidity of 91%. As winter settles in, locals and visitors alike can expect a blend of frosty air and damp conditions, painting a picturesque yet brisk winter landscape.
In Konstancin-Jeziorna during December, temperatures start to plunge, marking the coldest month of the year. With a minimum temperature dipping to -14°C (7°F), residents can expect a frosty landscape as winter settles in. The average temperature hovers around 2°C (35°F), providing a stark contrast to the preceding months, which had milder averages. While daytime highs reach a comfortable 13°C (55°F), the biting chill of the nights serves as a reminder that the deepest winter is upon the region. This month often sees a shift in activity as locals embrace the winter spirit, bundled in layers while enjoying the serene beauty of their snowy surroundings.
In December, Konstancin-Jeziorna experiences a notable shift as the year draws to a close, with precipitation amounting to 50 mm (2.0 in) over 11 days. This marks a slight increase from the preceding month, November, which saw just 33 mm and only 7 rainy days. The resurgence in precipitation aligns with the winter season, indicating a consistent trend of increased dampness during December. Compared to the earlier summer months, like July and August, which recorded substantially higher totals, December's rainfall is modest yet significant for the local ecosystem. As the cold weather settles in, these rains contribute to the region's winter landscape, supporting the transition into the harsher months ahead.
In December, Konstancin-Jeziorna experiences a notable increase in humidity, reaching 91%, akin to the levels found in January. This winter month's dampness stands in sharp contrast to the relatively dry summer, where humidity dipped to a comfortable 55-56%. As the year progresses, a trend emerges: higher humidity levels during the winter months (peaking in December) compared to the summer, which showcases a distinct seasonal rhythm. The transition from November’s 89% to December’s level emphasizes a return to the more moisture-laden air, heralding the deepening chill of winter. This cycle not only influences local weather but also shapes the landscape and lifestyle of the region’s inhabitants.
In December, Konstancin-Jeziorna experiences a low UV Index of 1, signaling a welcome return to safer sun exposure after the intense summer months. With a burn time of 45 minutes, residents and visitors can enjoy outdoor activities without the immediate risk of overexposure. This month continues the trend established in January and February—both featuring similarly low UV levels—which offers a stark contrast to the higher indices seen from April to August, where the sun's intensity peaks. As the year draws to a close, it's a good reminder to prioritize skin protection when venturing outdoors in the warmer months, especially when the UV Index escalates to moderate and very high levels in spring and summer. For detailed information and a monthly breakdown, visit the Konstancin-Jeziorna UV Index.
UV Risk Categories
In December, Konstancin-Jeziorna experiences a gentle embrace of winter light with 126 hours of sunshine, a subtle decline from the vibrant glow of autumn. This trend marks the transition from the rich sunshine of May's peak at 389 hours to the shorter days of the colder months. As the year progresses, sunshine hours typically increase until they reach their zenith in June, with 422 hours illuminating the landscape. However, as winter sets in, the daylight diminishes, culminating in the soft sunlight of December, which offers a tranquil contrast to the sun-drenched months of summer. While December may not provide the lengthy afternoons of other seasons, it still holds a charming, crisp brightness that hints at the cozy cheer of the holiday season in this picturesque Polish town.
In Konstancin-Jeziorna, Poland, the likelihood of sunny weather experiences a notable increase from the depths of winter to the vibrant arrival of spring. December, typically characterized by overcast skies, shows a modest 24% chance of sun—a slight uptick from the dreary November with just 19%. As the seasons transition, there’s a gradual ascent in sunshine probability, peaking in June at 54%. While December might not be the sunniest month, it does serve as a precursor to brighter days ahead, with the promise of spring and summer bringing more cheerful weather patterns. So, while you might need to bundle up this December, keep an eye on the horizon for those glimmers of sunlight that hint at warmer days to come.
In Konstancin-Jeziorna, Poland, the daylight duration experiences a noticeable ebb and flow throughout the year, reflecting the shifting seasons. Starting with a modest 8 hours in January, daylight gradually increases, peaking at a vibrant 16 hours in June and July. This abundance of light fades as autumn descends, with August seeing a decline to 14 hours, followed by a steady drop to 12 hours in September and 10 in October. By December, the daylight is reduced to 7 hours, marking the year's darkest period. This rhythmic pattern highlights the transition from the long, bright summer days to the shorter, subdued winter, emphasizing nature's cyclical beauty.
As December arrives in Konstancin-Jeziorna, a notable shift in wind patterns can be observed, with an average wind speed of 3.7 m/s (8 mph). This marks a slight decrease from the preceding months, particularly November, which recorded its highest wind speed of 3.9 m/s (9 mph). The winter chill settles in as wind speeds dip from the more vigorous breezes of late autumn, setting a tone for the tranquil yet brisk atmosphere of the season. Compared to the gentle summer breezes, where averages dropped to as low as 2.6 m/s (6 mph) in July and June, December's winds remind residents of the impending cold. Overall, the data reveals a consistent seasonal rhythm, where winter winds culminate in a restful, chilly cadence before the new year.
Weather in Konstancin-Jeziorna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Konstancin-Jeziorna, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Konstancin-Jeziorna showcase a notable shift in winter weather conditions. December experiences relatively milder temperatures, with averages around 2°C (35°F) and a maximum of 13°C (55°F), whereas January sees a drop in temperatures, with average readings around 0°C (32°F) and lows reaching as low as -21°C (-5°F). Precipitation is slightly higher in December at 50 mm (2.0 in) over 11 days, compared to January's 41 mm (1.6 in) over 10 days, yet both months maintain a high humidity level of 91%. For detailed information about January's weather, you can visit Konstancin-Jeziorna weather in January.
In December, the weather typically features a milder average temperature of 2°C (35°F), with a minimum of -14°C (7°F) and a maximum of 13°C (55°F). There's noticeable precipitation during this month, averaging 50 mm (2.0 in) over about 11 days, coupled with high humidity levels at 91%. In contrast, February experiences a slightly colder climate, with an average temperature of 1°C (34°F), and even lower minimum temperatures reaching -19°C (-1°F). Although February sees a maximum temperature of 18°C (64°F), it has slightly less precipitation at 44 mm (1.7 in) over 10 days, with humidity just a touch lower at 89%. For a detailed look at the weather in February, you can visit Konstancin-Jeziorna weather in February.
In December, temperatures in Konstancin-Jeziorna fluctuate between a chilly -14°C (7°F) and a mild 13°C (55°F), with an average temperature of 2°C (35°F). The month typically experiences around 50 mm (2.0 in) of precipitation over 11 days, and the humidity remains high at 91%. In contrast, March shows a slight improvement in temperatures, with minimums reaching -17°C (1°F) and maximums soaring up to 19°C (67°F), averaging at 4°C (39°F). Precipitation decreases slightly to 40 mm (1.6 in), also spread across 11 days, while humidity dips to 86%. For more detailed information about March weather, check out Konstancin-Jeziorna weather in March.
December and April present contrasting weather patterns, highlighting the transition from winter to spring. In December, temperatures can plunge as low as -14°C (7°F), with an average of 2°C (35°F) and a maximum of 13°C (55°F), creating a chilly atmosphere accentuated by high humidity of 91%. This month also sees about 50 mm (2.0 in) of precipitation spread over 11 days, making it a relatively damp time of year.
In contrast, April experiences milder temperatures, with a minimum of -5°C (24°F) and an average of 9°C (48°F), peaking at a comfortable 28°C (82°F). The precipitation is slightly lower at 39 mm (1.5 in) over 9 days, and the humidity drops to 76%, allowing for a more pleasant and vibrant springtime feel. For more detailed insights on the weather in April, check out Konstancin-Jeziorna weather in April.
In December, temperatures in Konstancin-Jeziorna can drop significantly, with lows of -14°C (7°F) and an average around 2°C (35°F). The weather is characterized by high humidity at 91% and about 50 mm (2.0 in) of precipitation spread over 11 days, contributing to the wintry atmosphere.
In contrast, May brings a noticeable shift, as temperatures rise to an average of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows of -3°C (27°F). While May experiences slightly more precipitation at 81 mm (3.2 in) over 13 days, the humidity level drops to 58%, leading to a fresher and more vibrant environment. For more detailed weather information, check out Konstancin-Jeziorna weather in May.
December and June present stark contrasts in weather. December experiences chilly temperatures, with minimums dropping to -14°C (7°F) and an average of 2°C (35°F), while June boasts much warmer conditions, ranging from a minimum of 6°C (43°F) to a maximum of 35°C (96°F) and an average of 20°C (68°F). Precipitation is relatively similar in both months, with December receiving 50 mm (2.0 in) over 11 days and June slightly higher at 65 mm (2.5 in) over 10 days. Additionally, humidity levels in December reach a high of 91%, contrasting sharply with June's more comfortable 56%. For more details on June weather, visit Konstancin-Jeziorna weather in June.
December and July present a striking contrast in weather conditions. In December, temperatures can plunge as low as -14°C (7°F), with an average temperature of around 2°C (35°F) and a maximum of 13°C (55°F). The month sees about 50 mm (2.0 in) of precipitation over 11 days and experiences high humidity at 91%. In contrast, July boasts much warmer conditions, with minimum temperatures of 8°C (47°F), an average of 20°C (68°F), and highs reaching 34°C (94°F). This summer month experiences more precipitation, totaling 82 mm (3.2 in), but with only 14 days of rain and significantly lower humidity at 56%. For more details, visit Konstancin-Jeziorna weather in July.
The weather in December is characterized by cold temperatures, with a minimum of -14°C (7°F) and an average of 2°C (35°F), while August enjoys much warmer conditions, ranging from a minimum of 8°C (46°F) to a maximum of 35°C (95°F) with an average of 20°C (68°F). Precipitation is more abundant in August, totaling 94 mm (3.7 in) over 11 days compared to December's 50 mm (2.0 in) also spread across 11 days. Additionally, December experiences a higher humidity level at 91%, making the cold feel even more biting, while August’s humidity sits at a much milder 55%. To learn more about the August weather in this region, visit Konstancin-Jeziorna weather in August.
Comparing the weather in December and September reveals a striking contrast in temperature and humidity. December sees frigid temperatures, with an average of just 2°C (35°F) and lows dipping to -14°C (7°F), while September enjoys much milder conditions, boasting an average temperature of 15°C (59°F) and highs reaching up to 31°C (87°F). Precipitation is fairly consistent in both months, with December receiving about 50 mm (2.0 in) over 11 days, compared to September's 79 mm (3.1 in) over 12 days. Additionally, the humidity in December peaks at 91%, making it feel colder, whereas September has a more comfortable humidity level of 68%. For a closer look at the September weather in this region, visit Konstancin-Jeziorna weather in September.
December weather presents a stark contrast to October, with significantly colder temperatures. While October sees a minimum of -1°C (30°F) and an average of 10°C (51°F), December plunges to a minimum of -14°C (7°F) and an average of just 2°C (35°F). The maximum temperature in December reaches 13°C (55°F), far below October's maximum of 24°C (75°F). Precipitation is also noteworthy; October experiences 71 mm (2.8 in) across 12 days, while December has 50 mm (2.0 in) over 11 days, contributing to a slightly higher humidity level in December at 91% compared to 84% in October. For more detailed insights on October weather, you can check Konstancin-Jeziorna weather in October.
December weather in Konstancin-Jeziorna is notably colder than in November, with average temperatures dropping from 5°C (42°F) in November to 2°C (35°F) in December. The minimum temperature in December plunges to -14°C (7°F), while November sees a milder minimum of -6°C (21°F). Additionally, December experiences more precipitation, with 50 mm (2.0 in) of rain over 11 days, compared to 33 mm (1.3 in) over just 7 days in November. Humidity levels remain relatively high in both months, but December is slightly higher at 91%, compared to November's 89%. For more details, you can check Konstancin-Jeziorna weather in November.
As December settles in Konstancin-Jeziorna, the weather reveals a stark contrast to the milder months that precede it. Temperatures dip significantly, with chilly days often witnessing frosty mornings and the occasional snowfall, transforming the landscape into a winter wonderland. Precipitation becomes more frequent, contributing to the high humidity levels that make the air feel even colder. This month exemplifies the transition into winter, with an atmosphere that's both crisp and invigorating. For those interested in a broader understanding of weather patterns throughout the year, be sure to explore Konstancin-Jeziorna Climate.