December Weather in Bialowieza, Poland

Last updated: August 27, 2025

December in Białowieża, Poland ushers in a crisp winter atmosphere characterized by a wide temperature range, with daily highs reaching up to 11°C (53°F) and plunging to a chilly -15°C (6°F) at night. The month averages around 0°C (33°F), creating a picturesque winter scene. Expect 56 mm (2.2 in) of precipitation spread across 13 days, contributing to the enchanting snow-covered landscapes. With 93% humidity, the air carries a palpable chill, perfect for embracing the serene beauty of this ancient forest.

December Temperature in Bialowieza

In Bialowieza, Poland, December ushers in the heart of winter, where temperatures take a notable dip. The month starts with a chilly minimum of -15°C (6°F) and sees an average hover around 0°C (33°F), with daytime highs reaching up to 11°C (53°F). This marks a significant transition from the milder temperatures of November, where nightly lows are only slightly less severe at -8°C (18°F). Overall, December in Bialowieza offers a crisp, cold atmosphere that contrasts distinctly with the burgeoning warmth of the upcoming spring months. Embracing the frost, visitors can experience the enchanting winter charm of this UNESCO World Heritage site, where snowy landscapes create a picturesque backdrop against the region’s rich biodiversity.

December Weather in Bialowieza: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bialowieza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bialowieza, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec293037465666676657494033
Data source: Temperature data for Bialowieza generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bialowieza

In December, Bialowieza experiences a notable increase in precipitation, with 56 mm (2.2 in) that often falls across 13 days of the month. This marks a shift from the drier November, where only 37 mm (1.5 in) was recorded over 9 days. As winter sets in, this uptick in rainfall signals the transition into colder, wetter conditions. Interestingly, December's precipitation continues to reflect the patterns of the preceding months, with a general trend of increasing rainfall as the year draws to a close, highlighting the area's shift from the lush summer months to the colder, more variable late autumn and winter seasons. The sustained precipitation not only enriches the landscape but also plays a crucial role in supporting the region's diverse ecosystem during the colder months.

December Precipitation Trends in Bialowieza

The chart displays monthly precipitation patterns in Bialowieza, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bialowieza, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec454140478169879369633856
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bialowieza

In December, Bialowieza, Poland, experiences a significant surge in humidity, reaching a notable 93%. This spike marks a return to the high humidity levels typical of the winter months, echoing the 93% recorded in January and 91% in November. Interestingly, following a gradual decline from 88% in March to a low of 59% in May and June, humidity stabilizes in the latter half of the year before rising again as colder weather settles in. This trend underscores a clear seasonal pattern, highlighting the moisture-rich atmosphere of Bialowieza during the late fall and winter months, ideal for experiencing the enchanting beauty of its lush landscapes blanketed in frost.

December Average Humidity in Bialowieza

This chart illustrates the average monthly humidity levels in Bialowieza, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bialowieza is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%77%59%59%60%60%72%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bialowieza

In December, Bialowieza experiences a UV Index of 1, indicating a low exposure category that allows for a leisurely outdoor experience without significant risk of sunburn, with a burn time of about 45 minutes. This trend mirrors the cooler winter months, where sun exposure is minimal, and the UV risks remain consistently low from November, which also recorded a UV Index of 2, back down to January's 1. As the year transitions from the warmer months with higher indices, it becomes clear that December presents an ideal time for winter activities, allowing residents and visitors to enjoy the natural beauty without the worry of intense sun exposure. For more detailed information on seasonal trends, visit Bialowieza UV Index.

Maximum UV Index Levels in Bialowieza for December

The chart shows the monthly maximum UV Index (UVI) for Bialowieza in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bialowieza typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Bialowieza December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Bialowieza

In Bialowieza, Poland, December brings a gentle decline in sunshine hours, with just 98 hours illuminating the winter landscape. This pattern follows a consistent trend seen throughout the year, where daylight steadily increases from January's modest 92 hours to a peak in June with 429 hours. After this high point, the sunlight gradually wanes, mirroring the seasonal changes as autumn gives way to winter. December’s hours are a stark contrast to the vibrant days of May and June, yet they still offer a serene beauty to the surrounding forests, making it a unique time to experience Bialowieza's enchanting winter atmosphere. The drop from November’s 150 hours hints at the deepening cold, inviting locals and visitors alike to embrace the tranquility that only the shorter days of winter can provide.

Monthly Sunshine Duration in Bialowieza: December Highlighted

The December sunshine duration represents the total number of hours Bialowieza experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec92h161h260h341h406h429h428h388h292h226h150h98h
Data source: Bialowieza December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bialowieza During December

In Białowieża, Poland, December brings a notable chill, and the chances of sunny weather are quite low, sitting at 17%. This trend of reduced sunlight is typical as the year draws to a close. Starting from a mere 11% in January, the likelihood of sun gradually increases until it peaks in June at a robust 53%. Following the summer months, the probability of sunshine wanes again, with November recording just 16% before December’s slight uptick. Thus, if you're hoping for bright days in December, be prepared for overcast skies and wintery landscapes that dominate this serene, forested region.

Percentage of Sunny Days in December in Bialowieza

The chart illustrates the percentage of sunny days in Bialowieza throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bialowieza experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%26%36%36%31%54%46%27%33%42%16%17%
Data source: Bialowieza December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bialowieza in December

As December settles over Białowieża, Poland, the days grow noticeably shorter, offering just 7 hours of daylight. This trend marks a significant decline as the year draws to a close, contrasting sharply with the 16 hours of light enjoyed in the height of summer. From January to November, daylight gradually fluctuates, peaking in June and July before tapering off. December's limited hours signal the onset of winter, inviting a time of introspection and rest as nature prepares for the rebirth of spring. While the sunlight may wane, the beauty of Białowieża in its frosty embrace offers a serene backdrop for winter contemplation.

Average Daylight Hours in Bialowieza for December

The chart illustrates the variation in daylight duration in Bialowieza throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 58m15h 48m16h 45m16h 15m14h 36m12h 36m10h 33m8h 41m7h 41m
Data source: Bialowieza daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bialowieza

In December, the wind in Białowieża, Poland picks up a bit, averaging 4.1 m/s (9 mph), which adds a refreshing chill to the winter air. This slight increase from November's 4.4 m/s signifies a trend towards brisker winds as the year draws to a close. Interestingly, December’s gusts are considerably stronger compared to the calmer summer months, where average speeds lingered around 2.8 m/s (6 mph) in both July and June. As the seasons transition, the wind echoes the forest's quiet beauty, creating a serene atmosphere where the rhythmic rustle of leaves often harmonizes with the soft whisper of the cold breeze.

Average December Wind Speed in Bialowieza

The chart displays monthly wind speed patterns in Bialowieza, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.93.73.73.92.82.83.03.54.34.44.1 m/s
Data source: Bialowieza December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bialowieza Compares to Other Months

Weather in Bialowieza varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bialowieza, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January present notably different weather patterns, with January typically being colder than December. In December, temperatures range from a minimum of -15°C (6°F) to a maximum of 11°C (53°F), averaging around 0°C (33°F). Precipitation is relatively high at 56 mm (2.2 in) over 13 days, accompanied by a consistent humidity level of 93%. Conversely, January sees a drop in temperatures, with minimums reaching -23°C (-8°F) and a maximum of 9°C (49°F), averaging -2°C (29°F). Precipitation decreases slightly to 45 mm (1.8 in) over 11 days, but the humidity remains unchanged at 93%. For more detailed insights on January weather, check out Bialowieza weather in January.

In December, temperatures range from a chilly minimum of -15°C (6°F) to a mild maximum of 11°C (53°F), with an average temperature hovering around 0°C (33°F). The month experiences significant precipitation, totaling 56 mm (2.2 in) over about 13 days, and the humidity remains high at 93%. In contrast, February is slightly colder, with temperatures dipping to a minimum of -19°C (-2°F) and an average of -1°C (31°F). The maximum temperature only rises to 12°C (54°F), but precipitation decreases to 41 mm (1.6 in) over 10 days, accompanied by a slightly lower humidity of 90%. For more detailed insights, check out Bialowieza weather in February.

December weather tends to be quite cold, with temperatures averaging around 0°C (33°F) and experiencing a minimum of -15°C (6°F). The month sees significant humidity at 93% and receives about 56 mm (2.2 in) of precipitation over 13 days. In contrast, March marks the transition to slightly milder weather, with an average temperature of 3°C (37°F) and a maximum reaching as high as 18°C (64°F), although the minimum can plummet to -17°C (1°F). This month has slightly less precipitation at 39 mm (1.6 in) over 12 days, coupled with a decrease in humidity to 88%. For a detailed look at March weather, you can visit Bialowieza weather in March.

December and April exhibit striking contrasts in weather conditions. In December, temperatures can plummet to a minimum of -15°C (6°F), hovering around an average of 0°C (33°F) and reaching a maximum of 11°C (53°F). Coupled with high humidity levels of 93% and substantial precipitation occurring over 13 days, the month feels quite chilly and damp. In stark contrast, April brings a milder climate with temperatures that range from a minimum of -6°C (21°F) to an average of 8°C (46°F) and peaking at 27°C (81°F). The precipitation decreases slightly to 47 mm (1.9 in) over just 10 days, and humidity drops to a more comfortable 77%. For a closer look at what to expect, check out Bialowieza weather in April.

December and May exhibit strikingly contrasting weather conditions. In December, temperatures can drop as low as -15°C (6°F), with an average of 0°C (33°F) and a maximum of 11°C (53°F). The month is characterized by high humidity at 93% and a total precipitation of 56 mm (2.2 in) spread across 13 days, creating a cold and damp atmosphere. Conversely, May brings a significant warm-up, with temperatures ranging from a minimum of -1°C (30°F) to a comfortable average of 13°C (56°F) and a maximum reaching 31°C (88°F). Although May sees increased precipitation at 81 mm (3.2 in) over the same number of days, the humidity drops to a more moderate 59%, contributing to a fresher and more pleasant climate. For a detailed overview of Bialowieza's weather patterns in May, check out Bialowieza weather in May.

December and June present strikingly different weather conditions. In December, temperatures can plummet as low as -15°C (6°F), with an average of around 0°C (33°F) and a maximum reaching 11°C (53°F). The month experiences high humidity at 93% and sees precipitation over 13 days, totaling 56 mm (2.2 in). In contrast, June brings much milder weather, with temperatures ranging from a minimum of 3°C (38°F) to an average of 19°C (66°F) and peaking at 33°C (92°F). Although June has slightly more precipitation at 69 mm (2.7 in), it falls over fewer days (10 days) and the humidity is significantly lower at 59%. For more information, visit Bialowieza weather in June.

The weather in December and July presents a stark contrast, with December characterized by significantly colder temperatures and higher humidity. In December, temperatures can plunge as low as -15°C (6°F) and typically hover around 0°C (33°F), while July sees more mild conditions with minimum temperatures of 7°C (46°F) and average highs reaching up to 33°C (92°F). December also experiences higher humidity levels at 93%, compared to July's more comfortable 60%. Precipitation is more frequent in July, totaling 87 mm (3.4 in) over 14 days, compared to December's 56 mm (2.2 in) over 13 days, making July generally the wetter month. For a detailed look at July weather patterns, check out Bialowieza weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -15°C (6°F), with an average around 0°C (33°F) and highs peaking at 11°C (53°F). The month is characterized by high humidity at 93% and considerable precipitation, totaling 56 mm (2.2 in) over approximately 13 days. In contrast, August boasts much warmer temperatures, with a minimum of 6°C (44°F), an average of 19°C (66°F), and highs reaching up to 33°C (91°F). While August experiences higher total precipitation at 93 mm (3.7 in) over 12 days, the humidity levels are significantly lower at 60%. For more details, you can check Bialowieza weather in August.

In December, temperatures plunge significantly, with lows reaching -15°C (6°F) and an average of 0°C (33°F), while September enjoys a much milder climate, with temperatures ranging from a minimum of 0°C (33°F) to a comfortable average of 14°C (58°F) and highs peaking at 28°C (82°F). December experiences higher humidity levels at 93%, contributing to a chilly atmosphere, compared to September's more manageable humidity of 72%. Although December sees less precipitation overall, with 56 mm (2.2 in) over 13 days, September has a slightly higher total of 69 mm (2.7 in) across 11 days, making it a wetter month. For more details on September weather, you can check Bialowieza weather in September.

When comparing the weather in December and October, it's clear that December is significantly colder. In December, temperatures range from a chilly -15°C (6°F) at night to a mild 11°C (53°F) during the day, with an average temperature of around 0°C (33°F). In contrast, October experiences milder conditions, with minimum temperatures of -2°C (28°F) and maximums reaching 22°C (72°F), averaging 9°C (49°F). Both months see notable precipitation, with December receiving 56 mm (2.2 in) over 13 days and October slightly more at 63 mm (2.5 in) over 11 days. Humidity is also higher in December at 93%, compared to 88% in October, contributing to the overall icy feel of the month. For more detailed information about October weather, visit Bialowieza weather in October.

In comparing the weather between November and December, it's evident that December brings colder temperatures, with min temperatures dropping to -15°C (6°F) and an average around 0°C (33°F), compared to November's more moderate min of -8°C (18°F) and an average of 5°C (40°F). While both months experience significant precipitation, December sees an increase to 56 mm (2.2 in) over 13 days, compared to 37 mm (1.5 in) over 9 days in November. Humidity levels remain high in both months, with December slightly higher at 93% compared to November's 91%. This stark contrast highlights the transition into winter conditions in December. For more details, visit Bialowieza weather in November.

Compare Bialowieza's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bialowieza

As December settles over Bialowieza, it ushers in a distinct chill that sets it apart from the milder months of the year. With temperatures that can plummet to -15°C (6°F), this month is marked by stark contrasts, where the average sits at 0°C (33°F), offering a bittersweet blend of frosty air and occasional milder days. Frequent precipitation—spanning about 13 days—adds a unique texture to the landscape, while the high humidity of 93% creates a frosty ambiance. This wintry transformation not only accentuates Bialowieza's natural beauty, but also offers a different experience compared to the more temperate seasons. To gather more insights about the region's weather patterns, visit Bialowieza Climate.