December Weather in Mielno, Poland

Last updated: August 27, 2025

December in Mielno, Poland, offers a unique blend of winter charm and brisk weather. With average temperatures around 3°C (38°F), the month experiences a maximum of 11°C (51°F) and dips to a chilling minimum of -8°C (18°F). Visitors can expect a notable precipitation amount of 73 mm (2.9 in) over approximately 16 days, showcasing the season's characteristic wetness. Coupled with a high humidity level of 85%, December envelops Mielno in a cool, damp atmosphere, perfect for those seeking a serene winter getaway.

December Temperature in Mielno

In December, Mielno, Poland experiences a striking transition toward winter, characterized by cold temperatures and a cozy atmosphere. The minimum temperature hovers around -8°C (18°F), while the average settles at a brisk 3°C (38°F), peaking at a modest 11°C (51°F). This decline in temperatures from the milder autumn months heralds the onset of winter, as the region shifts from the cool, pleasant conditions of November, where temperatures were slightly warmer. As December unfolds, the crisp air invites locals and visitors alike to embrace the beauty of winter, with festive vibes setting the stage for a picturesque holiday season in this charming Polish seaside town.

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

The chart illustrates December temperature patterns in Mielno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mielno, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363639455263656660534538
Data source: Temperature data for Mielno 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 Mielno

In December, Mielno experiences a fairly significant amount of precipitation, with 73 mm (2.9 in) falling over an average of 16 days. This marks a slight decrease from the wetter conditions of October and November, which saw 112 mm (4.4 in) and 75 mm (3.0 in), respectively. Despite the drop, December's consistent rainfall contributes to the region's rich winter landscape, providing a lush backdrop for the holiday season. As the year closes, these precipitation patterns reflect Mielno's transition from the bracing autumn days into the chilly embrace of winter, with frequent showers acting as a gentle reminder of the changing seasons.

December Precipitation Trends in Mielno

The chart displays monthly precipitation patterns in Mielno, 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 Mielno, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec70535432524911274981127673
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mielno

In Mielno, Poland, the month of December exhibits a moderate humidity level of 85%, which is consistent with the trend seen throughout the colder months. From November's 86% to January's 87%, humidity remains relatively high, indicating that winter sets in with a certain level of moisture in the air. Interestingly, after a slight dip in the spring months—where humidity levels fall to 85% in April and 81% from May through August—there is a gradual increase as the year winds down. This seasonal pattern suggests a cozy winter atmosphere, as the dampness of December wraps Mielno in a chilly yet inviting embrace, perfect for winter seaside strolls.

December Average Humidity in Mielno

This chart illustrates the average monthly humidity levels in Mielno, 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 Mielno is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%87%85%81%81%81%80%81%84%86%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mielno

As winter settles in Mielno, Poland, the UV Index in December maintains a low level of 1, indicating minimal risk for sun exposure. Similar to both January and November, it highlights a consistent trend of reduced UV radiation during these colder months. With a burn time of 45 minutes, residents and visitors can enjoy the outdoors with little concern for sunburn. This low UV Index offers a stark contrast to the summer peak in June when the index soared to 8, signaling the need for greater sun protection. As we embrace the chill of December, it's a good reminder to remain aware of sun safety year-round. For more details on the UV Index throughout the year, check Mielno UV Index.

Maximum UV Index Levels in Mielno for December

The chart shows the monthly maximum UV Index (UVI) for Mielno 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 Mielno typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568765311
Data source: Mielno 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 Mielno

In Mielno, Poland, the December sunshine marks a gentle close to the year, with the sun gracing the skies for about 118 hours. This is a modest decline compared to the brighter days of earlier months, yet it encapsulates the serene charm of the winter season. As the year unfolds from January’s mere 100 hours of sunshine toward the brighter May and June months—boasting as much as 430 and 446 hours—it becomes evident that sunlight gradually blooms with the arrival of spring. As autumn sets in, the golden light begins to wane, culminating in a cozy December atmosphere where each hour of sunlight becomes a treasured moment amidst the chill. Even with the shorter days, Mielno’s December offers a tranquil respite, inviting visitors to appreciate the soft winter light as the year gently draws to a close.

Monthly Sunshine Duration in Mielno: December Highlighted

The December sunshine duration represents the total number of hours Mielno 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.
JanFebMarAprMayJunJulAugSepOctNovDec100h199h275h368h430h446h440h402h305h246h169h118h
Data source: Mielno December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mielno During December

In December, Mielno, Poland, experiences a modest 18% chance of sunny weather, a trend that reflects the declining likelihood of sunshine as winter approaches. This statistic marks a subtle increase from November's 14%, suggesting a faint glimmer of hope for those looking to bask in some winter rays. However, the overall pattern shows that as the year progresses toward the colder months, the chance of sunshine dips significantly compared to the vibrant early summer, where the likelihood peaks at 58% in June. As you plan your December activities in Mielno, it's wise to prepare for a mix of dreary days, while still holding onto the possibility of experiencing a cheerful sunny interlude.

Percentage of Sunny Days in December in Mielno

The chart illustrates the percentage of sunny days in Mielno 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 Mielno experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%32%31%42%42%58%37%32%29%30%14%18%
Data source: Mielno December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mielno in December

In Mielno, Poland, December marks the end of a gradual decline in daylight hours, as the sun shines for approximately 7 hours each day. This mirrors the daylight patterns of January, indicating a steady retreat into winter's embrace. The transition from the long, sunlit days of summer—peaking at 17 hours in June—to the shorter December days highlights the dynamic ebb and flow of seasonal light. As the year progresses from bright May evenings to the crisp, dimmer days of winter, the rhythm of daylight serves as a gentle reminder of nature's cycles, ushering in a tranquil and reflective time of year.

Average Daylight Hours in Mielno for December

The chart illustrates the variation in daylight duration in Mielno throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 59m9h 45m11h 53m14h 5m16h 2m17h 4m16h 31m14h 46m12h 38m10h 27m8h 29m7h 25m
Data source: Mielno daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Mielno

In December, Mielno experiences a notable uptick in wind speed, averaging 6.1 m/s (14 mph), making it the windiest month of the year. This increase reflects a trend of growing wind intensity as the year comes to a close; from a gentle 5.5 m/s (12 mph) in January, the wind speeds gradually rise through the autumn months, culminating in December's brisk gales. As temperatures drop and winter settles in, the wind revives the coastal landscape, exhilarating visitors and locals alike. The shift from the milder breezes of summer and autumn to December's invigorating gusts hints at nature's transition into the colder season, offering a unique charm to Mielno during this time of year.

Average December Wind Speed in Mielno

The chart displays monthly wind speed patterns in Mielno, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.55.25.15.44.63.94.35.14.75.85.96.1 m/s
Data source: Mielno December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Mielno Compares to Other Months

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

In comparing the weather between December and January, we see that January tends to be slightly colder, with average temperatures ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F), compared to December's minimum of -8°C (18°F) and a similar maximum of 11°C (51°F). While both months exhibit similar maximum temperatures, January's average is a chilly 2°C (36°F), just slightly below December's average of 3°C (38°F).

Precipitation levels in both months are fairly close, with December receiving 73 mm (2.9 in) over 16 days and January slightly less at 70 mm (2.7 in) across 15 days. Humidity levels are also high, peaking at 87% in January and 85% in December, indicating a persistently damp atmosphere throughout the winter. For more detailed insights, you can explore Mielno weather in January.

When comparing the weather in December and February, December tends to be slightly warmer on average, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 11°C (51°F), contrasted with February’s smaller range of -11°C (13°F) to 14°C (57°F). Precipitation levels are also higher in December, with 73 mm (2.9 in) falling over 16 days, while February experiences 53 mm (2.1 in) over just 12 days. Humidity levels are similar in both months, with December at 85% and February rising slightly to 87%. For more detailed insights into February's climate specifics, you can check out Mielno weather in February.

December and March present distinct weather characteristics, with noticeable differences in temperatures and precipitation. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 11°C (51°F), averaging around 3°C (38°F). The month experiences 73 mm (2.9 in) of precipitation over 16 days, paired with high humidity at 85%.

In contrast, March shows a slightly wider temperature range, with minimums dropping to -13°C (9°F) and maximums reaching 14°C (57°F), resulting in an average temperature of 4°C (39°F). Precipitation decreases to 54 mm (2.1 in) over 13 days, with a humidity level slightly higher at 87%. While both months can be chilly and damp, March begins to hint at the transition into spring. For more details on March weather, you can refer to Mielno weather in March.

December and April exhibit notable differences in weather, reflecting the transition from winter to spring. In December, temperatures range from a chilly minimum of -8°C (18°F) to an average of 3°C (38°F), peaking at a maximum of 11°C (51°F). This month experiences significant precipitation, with around 73 mm (2.9 in) falling over 16 days, resulting in a damp atmosphere with 85% humidity. In contrast, April brings milder conditions, with temperatures ranging from a minimum of -3°C (28°F) to an average of 7°C (45°F) and a maximum reaching up to 19°C (67°F). Precipitation decreases to 32 mm (1.3 in) over just 7 days, while humidity remains steady at 85%. For a closer look at the weather in April, you can check Mielno weather in April.

December and May present stark contrasts in weather. In December, temperatures can drop as low as -8°C (18°F), with an average of 3°C (38°F) and highs reaching only 11°C (51°F). The month is characterized by high humidity at 85% and frequent precipitation on about 16 days, accumulating to 73 mm (2.9 in). In contrast, May sees a significant rise in temperatures, with a minimum of 2°C (36°F), an average of 11°C (53°F), and maximums soaring to 23°C (75°F). The precipitation decreases to 52 mm (2.1 in) over 11 days, indicating drier conditions and slightly lower humidity at 81%. For a closer look at the weather specifics in May, check out Mielno weather in May.

In December, the weather is notably cold with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 11°C (51°F), averaging at 3°C (38°F). This month experiences higher precipitation at 73 mm (2.9 in) over about 16 days, along with a humidity level of 85%. In contrast, June brings warmer and more pleasant conditions, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 32°C (90°F) and an average of 17°C (63°F). Rainfall decreases significantly to 49 mm (1.9 in) and occurs on only 8 days, while humidity is slightly lower at 81%. For a detailed look at June weather conditions, you can visit Mielno weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures can drop as low as -8°C (18°F), with an average of 3°C (38°F) and a maximum reaching 11°C (51°F). The month experiences a significant amount of precipitation, with around 73 mm (2.9 in) falling over 16 days, contributing to a chilly and damp atmosphere with humidity levels around 85%.

In contrast, July boasts milder and warmer weather, with minimum temperatures of 11°C (52°F) and averages soaring to 18°C (65°F), peaking at a warm 30°C (86°F). Although July sees more precipitation at 112 mm (4.4 in) over 13 days, the overall humidity is slightly lower at 81%, making it a more comfortable month for outdoor activities. For a closer look at July weather, check out Mielno weather in July.

December weather is characterized by colder temperatures, with a minimum of -8°C (18°F) and an average around 3°C (38°F), compared to the warmer August temperatures, which range from a minimum of 11°C (52°F) to an average of 19°C (66°F) and can reach up to 30°C (87°F). Both months experience similar levels of precipitation, with December recording 73 mm (2.9 in) over 16 days and August slightly less at 74 mm (2.9 in) over 13 days. Additionally, December has a higher humidity level at 85%, while August maintains a slightly lower humidity of 80%, contributing to a more comfortable and pleasant atmosphere for summer activities. For more details on August weather in Mielno, you can check Mielno weather in August.

The weather in December contrasts sharply with that of September. In December, temperatures can drop as low as -8°C (18°F), with an average of 3°C (38°F) and a maximum of 11°C (51°F), while September enjoys much milder conditions, with minimum temperatures around 8°C (47°F) and peaks reaching 28°C (83°F). Precipitation is more frequent in September, totaling 98 mm (3.9 in) over 16 days, compared to December's 73 mm (2.9 in) also spread across 16 days. Additionally, December's humidity is higher at 85%, compared to 81% in September, making the winter month feel colder and more damp. For more detailed information, you can check Mielno weather in September.

In comparing the weather of December and October, we see a notable shift in temperatures and precipitation patterns. December experiences colder temperatures, with a minimum of -8°C (18°F) and an average of 3°C (38°F), while October offers milder conditions, ranging from a minimum of 4°C (40°F) to a pleasant average of 12°C (53°F). Although October sees higher precipitation levels at 112 mm (4.4 in) over 18 days, December's total of 73 mm (2.9 in) spread across 16 days translates to a wetter feel despite the colder climate. Both months maintain high humidity levels, with December slightly higher at 85% compared to October's 84%. For more specific weather details, you can check Mielno weather in October.

In comparing the weather of December and November, December tends to be significantly colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 11°C (51°F), while November features milder conditions with temperatures spanning from -2°C (29°F) to a maximum of 16°C (61°F). Precipitation levels are quite similar, with December receiving 73 mm over 16 days and November slightly more at 75 mm across 15 days. Humidity levels are also comparable, slightly dipping in December to 85%, compared to November's 86%. For more details on weather patterns, check out Mielno weather in November.

Compare Mielno's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Mielno

In December, Mielno experiences a striking transformation compared to other months, marked by a significant drop in temperatures and an increase in precipitation. As the air turns crisp and cool, the average temperature settles around 3°C (38°F), with chilly nights plunging as low as -8°C (18°F). The increased humidity at 85% adds to the wintry atmosphere, creating a cozy, if somewhat damp, ambiance. With about 16 days of precipitation totaling 73 mm (2.9 in), December is notably wetter than many other months, inviting residents and visitors alike to bundle up and embrace the beauty of this enchanting season. For more detailed insights into Mielno's weather patterns throughout the year, explore Mielno Climate.