January Weather in Gdynia, Poland

Last updated: August 27, 2025

Gdynia, Poland, experiences a chilly January marked by a wide temperature range, with maximums reaching up to 10°C (51°F) and plunging to a minimum of -13°C (8°F). The month averages a brisk 1°C (34°F), creating a winter landscape that invites both locals and visitors to embrace the season. With 54 mm (2.1 in) of precipitation over the course of 12 days, rain and occasional snow can be expected, contributing to the month's overall 89% humidity. Whether you're strolling along the picturesque waterfront or exploring the vibrant city life, Gdynia in January offers a unique charm wrapped in a frosty embrace.

January Temperature in Gdynia

In Gdynia, Poland, January presents a chilly panorama, where temperatures can dip as low as -13°C (8°F). The month is characterized by an average temperature of 1°C (34°F), setting a frigid tone that lingers through winter. While daytime highs can reach a moderate 10°C (51°F), the cold snap reinforces a stark contrast to the warmer months ahead. Observing the subsequent months, it's intriguing to note that February remains similarly cold, but hints at a gradual warming trend as temperatures progressively rise toward spring. As January wraps up, the promise of milder days in April, with averages climbing to 7°C (44°F), becomes more palpable, encouraging anticipation for the seasonal shift that brings vitality back to this vibrant coastal city.

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

The chart illustrates January temperature patterns in Gdynia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gdynia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343337445262646559514336
Data source: Temperature data for Gdynia 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 Gdynia

In January, Gdynia welcomes the new year with an average precipitation of 54 mm (2.1 in) spread over about 12 days of the month. This rainfall sets the tone for the winter months, as the city experiences a slight uptick in wet days compared to February, which sees 45 mm (1.8 in) but with just 11 days of precipitation. As spring approaches in March, rain levels rise again to 52 mm (2.0 in) over 13 days, reflecting a gradual trend of increased moisture as the seasons shift. This pattern continues into the spring and summer, peaking in July when Gdynia receives a substantial 104 mm (4.1 in) across 15 days, marking the wettest month of the year. Overall, January's precipitation is a vital component of Gdynia's climate, influencing the transition into the wetter, milder months that follow.

January Precipitation Trends in Gdynia

The chart displays monthly precipitation patterns in Gdynia, 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 Gdynia, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5445523867651047179855663
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Gdynia

In January, Gdynia, Poland, experiences a pronounced humidity level of 89%, a figure that remains constant through February. This high humidity is characteristic of the winter months, contributing to a brisk, damp atmosphere. As spring approaches, March sees a slight dip to 88%, followed by an even more notable decrease in April, when humidity falls to 84%. The transition into summer brings about a further decline, stabilizing at 76% from May through August, suggesting a more comfortable feel during the warmer months. However, as autumn sets in, humidity levels begin to rise again, peaking at 89% by November and December, reminiscent of the winter conditions. Overall, Gdynia's humidity trends illustrate a clear seasonal pattern, with the highest levels experienced in the colder months and a refreshing drop as summer arrives.

January Average Humidity in Gdynia

This chart illustrates the average monthly humidity levels in Gdynia, 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 Gdynia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%84%77%76%76%76%81%86%89%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Gdynia

In Gdynia, Poland, January marks a month of low UV exposure, with a UV Index of 1, allowing for a generous burn time of 45 minutes without significant risk. This low level of UV radiation continues through February, maintaining the same index and burn time. As spring approaches, the UV Index begins to rise, reaching 4 in March and 5 in April, which shifts exposure to a moderate category and shortens burn time to 30 minutes. By May and June, summer invites higher UV intensity, peaking at 6 and 7, prompting careful sun exposure with a reduced burn time of 25 minutes. As the year progresses into the fall, UV levels gradually decline, returning to a low exposure category by November and December, reminiscent of January's gentle rays. For more detailed information on UV levels throughout the year, visit Gdynia UV Index.

Maximum UV Index Levels in Gdynia for January

The chart shows the monthly maximum UV Index (UVI) for Gdynia 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 Gdynia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765311
Data source: Gdynia 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 Gdynia

In Gdynia, Poland, the sun's presence begins to noticeably brighten the winter months, with January featuring just 99 hours of sunlight. As the year progresses, February witnesses a significant increase to 191 hours, heralding the arrival of a more cheerful atmosphere. This upward trend continues into March, where 260 hours of sunshine hint at the impending spring bloom. By April, the sun shines even brighter with 353 hours, and the warmth of May brings a remarkable 418 hours. Peak summer in June sees the sun dominate the sky with 444 hours, only to slightly wane in July and August, hitting 434 and 392 hours respectively. As autumn approaches, the glitter of sunshine starts to fade, with September seeing 307 hours before dropping to 124 hours by December. This yearly pattern beautifully captures Gdynia’s transition from the serene stillness of winter to the vibrant days of summer, creating a dynamic tapestry of light throughout the seasons.

Monthly Sunshine Duration in Gdynia: January Highlighted

The January sunshine duration represents the total number of hours Gdynia 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h191h260h353h418h444h434h392h307h238h152h124h
Data source: Gdynia January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gdynia During January

In Gdynia, Poland, the prospect of basking in sunlight during January is notably slim, with only a 10% chance of sunny weather. This starkly contrasts the brighter days that follow as winter wanes; February ushers in a more optimistic 32%, soon rising to 36% in March and 41% by April. As the seasons shift, the likelihood of sunshine peaks in the summer months, with June boasting a striking 61% chance. However, around mid-year, the sunniest days begin to recede slightly, with July and August still providing decent opportunities at 41% and 30%, respectively. Overall, the trends clearly illustrate a gradual increase in sunny days as winter transitions into spring and summer, making January the least favorable month for sunshine seekers in Gdynia.

Percentage of Sunny Days in January in Gdynia

The chart illustrates the percentage of sunny days in Gdynia 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 Gdynia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%32%36%41%40%61%41%30%36%37%17%22%
Data source: Gdynia January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gdynia in January

In Gdynia, Poland, the daylight duration gradually transforms from the crisp, short days of January, with just 7 hours of light, to the vibrant, sun-drenched days of June, peaking at an impressive 17 hours. As winter recedes and spring unfolds, February and March witness a steady increase, welcoming longer daylight—9 hours and 11 hours respectively. The warmth of May invites 16 hours of sunshine, making way for a splendid summer. However, as the seasons shift and autumn approaches, daylight begins to wane, with September and October showcasing a gradual decline to 12 hours and 10 hours. By the time winter returns, daylight returns to 8 hours in November, ultimately settling back to 7 hours in December, completing the cyclical journey of light throughout the year.

Average Daylight Hours in Gdynia for January

The chart illustrates the variation in daylight duration in Gdynia throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 57m9h 44m11h 53m14h 6m16h 4m17h 6m16h 33m14h 47m12h 38m10h 27m8h 27m7h 22m
Data source: Gdynia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Gdynia

In Gdynia, Poland, January sets the tone for the year's wind pattern with an average wind speed of 5.1 m/s (11 mph). As winter deepens into February, the winds pick up slightly, reaching 5.5 m/s (12 mph), before moderating to 5.2 m/s in March. The arrival of spring in April brings a gentle decrease to 4.9 m/s, leading into May's calmest month at 4.7 m/s (10 mph). This trend of decreasing wind speeds continues into the summer, where both July and June experience steady winds of 3.9 m/s (9 mph). However, as the seasons shift towards autumn, wind speeds begin to rise again, peaking in October at 5.7 m/s (13 mph) before gradually tapering off in December to 5.9 m/s. This cyclical pattern highlights a dynamic relationship between seasonal changes and wind intensity, creating a unique atmosphere in Gdynia throughout the year.

Average January Wind Speed in Gdynia

The chart displays monthly wind speed patterns in Gdynia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.1 m/s5.55.24.94.73.93.94.74.75.75.65.9
Data source: Gdynia January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Gdynia Compares to Other Months

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

January and February exhibit similar cold temperatures, with both months featuring a minimum temperature of -13°C (8°F) and an average temperature of 1°C (34°F). However, February experiences a slightly warmer maximum temperature, reaching up to 13°C (55°F) compared to January's high of 10°C (51°F). Precipitation levels are also modestly different, with February having 45 mm (1.8 in) over 11 days, while January sees 54 mm (2.1 in) over 12 days. Both months maintain a consistent humidity level of 89%. For a more detailed look at February's weather, you can visit Gdynia weather in February.

January and March exhibit notable differences in weather, despite their proximity in the calendar year. January experiences colder temperatures, with averages around 1°C (34°F) and maximums reaching only 10°C (51°F), while March sees a slight warming trend, with average temperatures rising to 3°C (37°F) and maximums up to 14°C (58°F). Precipitation levels are similar, with January recording 54 mm (2.1 in) over 12 rainy days and March slightly lower at 52 mm (2.0 in) across 13 rainy days. Humidity remains fairly consistent between the two months, with January at 89% and March at 88%. For more details on March weather, visit Gdynia weather in March.

January and April present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -13°C (8°F), with an average temperature of around 1°C (34°F) and a maximum of only 10°C (51°F). This month also experiences relatively high precipitation, totaling 54 mm (2.1 in) over 12 days, coupled with high humidity levels of 89%. On the other hand, April marks a transition to milder conditions, with minimum temperatures around -3°C (26°F) and average temperatures rising to 7°C (44°F). Maximum temperatures can reach a comfortable 20°C (69°F), and precipitation decreases to 38 mm (1.5 in) over 9 days, with slightly lower humidity at 84%. For more detailed information, you can visit Gdynia weather in April.

In January, the weather is notably colder, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 10°C (51°F), averaging around 1°C (34°F). The month sees about 54 mm (2.1 in) of precipitation spread over 12 days, accompanied by high humidity at 89%. In contrast, May brings much milder conditions, featuring temperatures that fluctuate between 0°C (33°F) and 24°C (76°F), with an average of 11°C (52°F). Although precipitation increases slightly to 67 mm (2.6 in) over 13 days, the humidity drops to a more comfortable 76%. For more detailed information about the weather in May, you can check Gdynia weather in May.

In January, the weather is characterized by cold temperatures, with a minimum of -13°C (8°F) and an average temperature around 1°C (34°F), while the maximum only reaches up to 10°C (51°F). With high humidity at 89%, January experiences about 54 mm (2.1 in) of precipitation over approximately 12 days. In contrast, June showcases a much warmer climate, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 29°C (85°F) and an average of 17°C (63°F). Although June receives slightly more precipitation at 65 mm (2.6 in), it falls over fewer days (10 days), and the humidity decreases to a more comfortable 76%. For those interested in what to expect during this month, check out Gdynia weather in June.

January and July present a striking contrast in weather. January is characterized by cold temperatures, with a minimum of -13°C (8°F) and an average of 1°C (34°F), while July boasts much milder conditions, with a minimum of 10°C (50°F) and a warm average of 18°C (65°F). Precipitation is also more common in July, totaling 104 mm (4.1 in) over 15 days, compared to January's 54 mm (2.1 in) across 12 days. Additionally, January's high humidity at 89% contrasts sharply with July's more comfortable 76%. For more detailed insights into the summer climate, visit Gdynia weather in July.

January and August present stark contrasts in weather patterns. In January, temperatures are quite chilly, with a minimum of -13°C (8°F) and an average temperature hovering around 1°C (34°F), while the maximum reaches only 10°C (51°F). This winter month also experiences high humidity levels at 89% and sees about 54 mm (2.1 in) of precipitation over 12 days. In stark contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a pleasant average of 18°C (65°F), peaking at a maximum of 29°C (85°F). Although the summer month has slightly more precipitation at 71 mm (2.8 in) over 13 days, the humidity is notably lower at 76%. For a detailed overview of Gdynia's summer weather, check out Gdynia weather in August.

January and September present a stark contrast in weather conditions. In January, temperatures plummet to a minimum of -13°C (8°F) and only reach an average of 1°C (34°F), with highs peaking at 10°C (51°F). This month also experiences high humidity at 89% and sees precipitation on approximately 12 days, totaling 54 mm (2.1 in). In striking contrast, September enjoys milder temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F), soaring to a maximum of 28°C (83°F). Although it experiences slightly more precipitation at 79 mm (3.1 in) over the same number of days, the humidity is lower at 81%. For more details about the weather in September, you can visit Gdynia weather in September.

In January, the weather is significantly colder, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 10°C (51°F), and an average of 1°C (34°F). The month sees about 54 mm (2.1 in) of precipitation over 12 days, coupled with high humidity levels at 89%. In contrast, October features milder temperatures, with a minimum of 3°C (37°F) and a maximum of 20°C (68°F), averaging around 11°C (51°F). Although October experiences more precipitation at 85 mm (3.4 in) over 16 days, humidity is slightly lower at 86%. For a detailed look at the weather in Gdynia during this month, you can check Gdynia weather in October.

January and November in Gdynia exhibit notable differences in temperature while maintaining similar humidity levels. In January, temperatures can plummet to a minimum of -13°C (8°F), with an average of around 1°C (34°F) and a maximum reaching 10°C (51°F). Meanwhile, November offers milder conditions, with minimum temperatures at -4°C (26°F), an average of 6°C (43°F), and a maximum of 15°C (59°F). Both months experience comparable precipitation, with January receiving 54 mm (2.1 in) over 12 days and November seeing slightly more at 56 mm (2.2 in) across 15 days. To learn more about the weather specifics for November, visit Gdynia weather in November.

In comparing the weather between January and December, we find that January tends to be slightly colder, with average temperatures ranging from a minimum of -13°C (8°F) to a maximum of 10°C (51°F), while December has milder conditions with a minimum of -9°C (17°F) and the same maximum of 10°C (50°F). Precipitation is also notable, with January receiving about 54 mm (2.1 in) over 12 days, compared to December's higher total of 63 mm (2.5 in) over 15 days. Both months experience high humidity levels at 89%. For more detailed information on December weather, you can visit Gdynia weather in December.

Compare Gdynia's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Gdynia

As January settles in Gdynia, the city experiences a distinct shift in weather compared to the milder months of spring and summer. The chill sets in with temperatures dipping noticeably, making the average feel significantly colder while intermittent frost introduces a stark beauty to the coastal landscape. With cloudy skies and frequent precipitation, including about 12 days of rainfall, this month stands out for its high humidity levels as well, creating a rather damp and brisk atmosphere. Winter activities take center stage during this time, inviting residents and visitors alike to embrace the season's unique charm. For a deeper understanding of weather trends throughout the year, explore Gdynia Climate.