January Weather in Mielno, Poland

Last updated: August 27, 2025

January in Mielno, Poland is characterized by a chilly climate, where temperatures range from a maximum of 11°C (52°F) to a bone-numbing minimum of -11°C (12°F), resulting in an average of around 2°C (36°F). This month sees substantial precipitation, with 70 mm (2.7 in) falling over approximately 15 days, contributing to a high humidity level of 87%. Visitors can expect a mix of overcast skies and occasional snow, making January a unique time to experience the serene beauty of this coastal town. Be prepared for the cold as you explore the frosty landscapes and local attractions!

January Temperature in Mielno

In January, Mielno, Poland experiences a chilly embrace, with temperatures ranging from a brisk -11°C (12°F) at night to a mild daytime high of 11°C (52°F). The average temperature hovers around 2°C (36°F), setting the tone for a month that is unmistakably winter. As the coldest month of the year, January showcases the stark contrast between the bitter nighttime lows and the relatively warmer afternoons, hinting at the gradual transition towards spring. This blend of freezing nights and moderate days creates a picturesque winter landscape, compelling visitors to bundle up and explore the serene beauty of Mielno during its frost-kissed season. As February approaches, similar patterns persist, marking January as the peak of the cold season before temperatures begin their slow ascent.

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

The chart illustrates January 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, January 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.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mielno

In Mielno, Poland, January greets residents with an average precipitation of 70 mm (2.7 in) spread over 15 days, signaling the heart of winter's embrace. This rainfall is notably higher than the upcoming months, such as February, which sees a decline to 53 mm (2.1 in) and only 12 days of precipitation. Interestingly, the wetter winter months precede a trend where rainfall reaches its peak in July with 112 mm (4.4 in), demonstrating the seasonal fluctuation that defines the region's climate. As spring approaches, precipitation lessens significantly, hinting at a shift towards drier months ahead. Overall, January sets the tone for the precipitation patterns that will characterize Mielno throughout the year, with a gradual transition into a more moderate rain cycle as spring unfolds.

January Precipitation Trends in Mielno

The chart displays monthly precipitation patterns in Mielno, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mielno, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec70535432524911274981127673
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mielno

In Mielno, Poland, January's humidity is notably high at 87%, a trend that persists through February and March, highlighting the region's typically damp winter months. As spring approaches, there's a slight dip to 85% in April, followed by a gradual decrease to 81% during the summer months of May through August. This trend suggests a transition towards more comfortable conditions as the temperature rises. Interestingly, humidity begins to climb again in September, peaking at 86% in November before tapering off slightly in December. Overall, Mielno experiences relatively high humidity year-round, with a distinctive seasonal rhythm that supports both its chilly winters and mild summers.

January Average Humidity in Mielno

This chart illustrates the average monthly humidity levels in Mielno, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Mielno

In January, Mielno, Poland experiences a low UV Index of 1, indicating minimal sun exposure risk with a burn time of about 45 minutes. As winter progresses into February, the UV Index slightly increases to 2, yet still maintains that low exposure category. However, as spring approaches, the UV Index begins to climb more significantly; by March it reaches 4, marking a transition to moderate exposure with a reduced burn time of 30 minutes. This upward trend continues into April with an Index of 5, suggesting that visitors should start taking precautions. The summer months see a dramatic increase, peaking in June at a very high index of 8—a stark contrast to the preceding winter months. The UV Index remains high during July and August, before tapering off in the fall with September and October showing moderate values. Ultimately, the year wraps up with November and December returning to a low UV Index, reminiscent of the January levels. For travelers and sun worshippers alike, understanding these trends can help better prepare for outdoor activities. Stay informed with detailed forecasts at Mielno UV Index.

Maximum UV Index Levels in Mielno for January

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

January Sunshine in Mielno

In Mielno, Poland, January emerges as the month with the least sunshine, offering only 100 hours of daylight to its residents. However, the sun’s presence begins to grow steadily in the following months, with February showing a notable increase to 199 hours. As spring approaches, the allure of the sun intensifies, culminating in a splendid 368 hours by April. This upward trend continues through the vibrant months of May and June, peaking at an impressive 446 hours of sunshine in June—ideal for basking by the beach. The summer months maintain this brightness with slightly diminished hours in July and August, before transitioning into a gradual decline in the fall. By December, the sunlight dwindles again to 118 hours, marking the year’s end, yet the incremental increase of daylight throughout the winter months gives a glimmer of hope for brighter days ahead.

Monthly Sunshine Duration in Mielno: January Highlighted

The January sunshine duration represents the total number of hours Mielno experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec100h199h275h368h430h446h440h402h305h246h169h118h
Data source: Mielno January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mielno During January

In Mielno, Poland, January presents a rather modest 16% chance of sunny weather, making it one of the cloudier months of the year. This trend of limited sunshine continues into the heart of winter, with November and December also showing low probabilities of sunshine at 14% and 18% respectively. As the seasons shift toward spring, the likelihood of sunny days begins to rise significantly, with February and March seeing chances of 32% and 31%. This upward momentum continues into April and May, where the sunshine likelihood reaches 42%. By the time summer rolls around, particularly in June, the chance of basking in the sun skyrockets to an impressive 58%, illustrating a clear transition from the dreary winter months to brighter, more inviting days ahead.

Percentage of Sunny Days in January in Mielno

The chart illustrates the percentage of sunny days in Mielno throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mielno in January

In Mielno, Poland, the daylight duration undergoes a fascinating transformation throughout the year. January greets winter with just 7 hours of daylight, setting a tranquil tone for the month. As the season progresses into February, daylight extends to 9 hours, hinting at the approaching spring. By March, daylight increases further to 11 hours, invigorating the landscape with longer, brighter days. This upward trend continues, reaching a peak of 17 hours in June, offering ample sunlight for outdoor activities. However, as summer transitions to autumn, daylight begins to recede, with July still basking in 16 hours, followed by a gradual decline to 12 hours in September. By the time October arrives, daylight shrinks to 10 hours, and the cycle completes as November returns to 8 hours, before descending back to 7 hours in December. This cyclical pattern of daylight not only marks the changing seasons but also beautifully illustrates the dynamic rhythm of life in Mielno.

Average Daylight Hours in Mielno for January

The chart illustrates the variation in daylight duration in Mielno throughout the year, with January 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.

January Winds in Mielno

In January, Mielno, Poland, experiences a brisk average wind speed of 5.5 m/s (12 mph), setting the tone for the winter months ahead. As the year progresses, wind speeds tend to gradually decline, with February slightly lower at 5.2 m/s, before reaching a seasonal low of 3.9 m/s (9 mph) in June. However, the winds pick up again in the fall, culminating in a notable rise towards the year's end, with December boasting the strongest gusts at 6.1 m/s (14 mph). This cyclical pattern emphasizes a winter allure complemented by soft, steady winds that gradually grow into the bolder gusts of late autumn, providing a unique atmosphere for visitors and locals alike throughout the seasons.

Average January Wind Speed in Mielno

The chart displays monthly wind speed patterns in Mielno, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.5 m/s5.25.15.44.63.94.35.14.75.85.96.1
Data source: Mielno January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January’s weather to other months in Mielno, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather tends to be quite cold, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F) and an average temperature of 2°C (36°F). The month sees approximately 70 mm (2.7 in) of precipitation over about 15 days, while the humidity remains high at 87%.

In contrast, February experiences slightly milder weather, with maximum temperatures reaching up to 14°C (57°F), while still maintaining the same average of 2°C (36°F) and minimum temperatures of -11°C (13°F). Precipitation decreases to around 53 mm (2.1 in) across 12 days, also with the same humidity level of 87%. Overall, February offers a hint of warmth while still retaining the wintry chill. For more details on February weather, you can visit Mielno weather in February.

When comparing the weather between January and March, we see a notable transition in temperature and precipitation patterns. In January, the temperatures range from a chilly -11°C (12°F) to a maximum of 11°C (52°F), with an average of 2°C (36°F) and 70 mm (2.7 in) of precipitation over 15 days. In contrast, March experiences slightly warmer temperatures, with a minimum of -13°C (9°F), an average of 4°C (39°F), and a maximum of 14°C (57°F). Precipitation decreases to 54 mm (2.1 in) over 13 days. Despite these differences, both months maintain a high humidity level of 87%. For more details on the weather during this time, you can check Mielno weather in March.

January and April present contrasting weather profiles. In January, temperatures can drop to a chilly minimum of -11°C (12°F), with an average of just 2°C (36°F) and a maximum of 11°C (52°F). This month also sees considerable precipitation, totaling 70 mm (2.7 in) across 15 days, coupled with high humidity levels at 87%. In sharp contrast, April boasts a milder climate, with minimum temperatures around -3°C (28°F), an average of 7°C (45°F), and highs reaching up to 19°C (67°F). Precipitation significantly decreases to 32 mm (1.3 in) over just 7 days, and humidity remains relatively stable at 85%. For those interested in the specifics of Mielno's April weather, more details can be found here: Mielno weather in April.

In January, the weather is quite cold, with temperatures ranging from a frigid minimum of -11°C (12°F) to a maximum of 11°C (52°F) and an average of 2°C (36°F). The month is characterized by high humidity at 87% and significant precipitation, totaling 70 mm (2.7 in) over 15 days. In contrast, May brings much milder conditions, with temperatures rising to a minimum of 2°C (36°F) and soaring to a maximum of 23°C (75°F), averaging 11°C (53°F). Precipitation decreases to 52 mm (2.1 in) across 11 days, and humidity is slightly lower at 81%. For more details on the May weather, check Mielno weather in May.

In January, the weather is chilly, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F) and an average of around 2°C (36°F). The month sees considerable snowfall, with precipitation totaling 70 mm (2.7 in) across 15 days, contributing to high humidity levels of 87%.

By contrast, June experiences a much milder climate, with temperatures reaching a minimum of 7°C (46°F) and soaring to a maximum of 32°C (90°F), averaging 17°C (63°F). Precipitation is lower in June at 49 mm (1.9 in) over just 8 days, and humidity decreases slightly to 81%. This significant difference highlights the shift from the cold winter months to the warm summer season. For more insights on June weather, check out Mielno weather in June.

In January, the weather is typically quite cold, with temperatures ranging from a frigid -11°C (12°F) to a mild 11°C (52°F), leading to an average of 2°C (36°F). This month experiences significant precipitation of 70 mm (2.7 in) spread over 15 days, and the humidity is quite high at 87%. In contrast, July brings much warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), resulting in an average temperature of 18°C (65°F). July sees increased precipitation at 112 mm (4.4 in) over 13 days, but with a slightly lower humidity of 81%. For a detailed look at Mielno's summer weather, check out Mielno weather in July.

January and August present a stark contrast in weather conditions. In January, temperatures can plummet as low as -11°C (12°F), with an average hovering around 2°C (36°F) and a maximum of 11°C (52°F). The month sees significant moisture with 70 mm of precipitation over approximately 15 days, and humidity levels peak at 87%. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to an average of 19°C (66°F), reaching up to a warm maximum of 30°C (87°F). Precipitation is slightly higher at 74 mm, but it spans over only 13 days, accompanied by lower humidity at 80%. For a closer look at the weather in August, you can visit Mielno weather in August.

January and September present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -11°C (12°F), with an average of 2°C (36°F) and a maximum of only 11°C (52°F). This winter month is characterized by high humidity at 87% and significant precipitation, averaging 70 mm (2.7 in) over 15 days. In comparison, September enjoys a milder climate, featuring minimum temperatures of 8°C (47°F) and an average of 16°C (60°F), peaking at a comfortable 28°C (83°F). Although September sees more precipitation at 98 mm (3.9 in) across 16 days, the lower humidity of 81% makes the weather feel much more pleasant. For more detailed information about the weather in September, visit Mielno weather in September.

In January, the weather is markedly colder, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F) and an average of around 2°C (36°F). The month experiences significant precipitation, averaging 70 mm (2.7 in) over about 15 days, coupled with a high humidity level of 87%. In contrast, October showcases a more moderate climate, with temperatures fluctuating between 4°C (40°F) and 20°C (69°F), resulting in a pleasant average of 12°C (53°F). Although October sees increased rainfall, totaling 112 mm (4.4 in) across 18 days, the humidity remains slightly lower at 84%. For those interested in more details about the October weather in Mielno, you can explore this link: Mielno weather in October.

In comparing the weather between January and November, it is evident that November tends to be milder, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 16°C (61°F), in contrast to January’s chillier range of -11°C (12°F) to 11°C (52°F). Both months experience similar precipitation levels, with January recording 70 mm (2.7 in) and November slightly higher at 75 mm (3.0 in), both spread over 15 days. Humidity remains fairly consistent, with January at 87% and November slightly lower at 86%. For a closer look at the weather specifics during this period, visit Mielno weather in November.

In comparing the weather of January and December, January tends to be slightly colder, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 11°C (52°F), while December enjoys a slightly milder range of -8°C (18°F) to 11°C (51°F). Both months experience similar precipitation levels, with January receiving 70 mm (2.7 in) over 15 days and December slightly higher at 73 mm (2.9 in) over 16 days. Humidity levels are a bit higher in January at 87%, compared to December's 85%. For a more detailed look at December weather, you can check out Mielno weather in December.

Compare Mielno's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Mielno

January in Mielno presents a striking contrast to the milder months of the year, marked by chilly temperatures and increased precipitation. With average temperatures hovering around 2°C (36°F) and frequent dips into the negatives, this month encapsulates the true essence of winter in Poland. The high humidity levels add an extra layer of briskness to the air, often accompanied by 15 days of precipitation that contributes to the landscape's winter charm. While January may not be the typical choice for travelers seeking warmth, it offers a unique experience for those eager to explore the serene beauty of Mielno in its winter phase. For more insights on what to expect throughout the year, visit Mielno Climate.