Last updated: August 27, 2025
In December, Jastarnia, Poland, experiences a wintry chill characterized by maximum temperatures reaching 10°C (50°F) and an average of 4°C (39°F). Nighttime temperatures can drop to a minimum of -4°C (25°F), creating a crisp atmosphere ideal for winter activities. The month is marked by 81 mm (3.2 in) of precipitation over 17 days, resulting in a humid environment with an average humidity of 89%. This combination of cool temperatures and frequent rainfall sets the stage for a cozy winter in Jastarnia, inviting visitors to enjoy its serene landscapes.
As December settles into Jastarnia, Poland, temperatures begin to dip, marking a transition into the heart of winter. With minimums around -4°C (25°F) and an average temperature of 4°C (39°F), the days are chilly yet not unbearably cold, providing a crisp backdrop for festive activities. The maximum temperature climbs to a mild 10°C (50°F), offering occasional respite from the colder evenings. This month illustrates a clear trend toward winter, following the more temperate months of late autumn, and hints at the colder January temperatures that lie ahead. In Jastarnia, December serves as a bridge between the fading warmth of fall and the deep chill of winter, wrapped in the cozy charm of the holiday season.
In December, Jastarnia experiences a notable precipitation total of 81 mm (3.2 in), mirroring the wet conditions typical of the late autumn and early winter months. With 17 days of rain, December maintains its position as one of the wetter months, similar to both November and October, which have similar or higher precipitation levels. While the rainfall in December is significant, it is slightly less than the peak of 114 mm recorded in October. This month serves as a transition, where the remnants of autumn's heavy rains linger, setting the stage for the drier months ahead, showcasing a clear trend of decreased precipitation from the summer highs in July and September. Overall, December's weather in Jastarnia combines the chilly atmosphere of winter with a persistent, if not overwhelming, rainfall that enriches the landscape.
In December, Jastarnia, Poland, experiences a notable consistency in its humidity levels, reaching 89%, which mirrors the high readings seen in both January and February. This trend of elevated humidity persists through the winter months, while the spring and early summer months exhibit a gradual decline, plunging to 76% from May to August. As autumn progresses into October and November, humidity begins to rise once more, hinting at a return to winter’s damp embrace. Overall, December serves as a prime example of Jastarnia's winter climate, characterized by its persistent humidity, creating a crisp, invigorating atmosphere that envelops the coastal town.
In December, Jastarnia experiences a low UV Index of 1, similar to the preceding months of January and November. This means that sun exposure poses minimal risk, with a burn time of approximately 45 minutes. As the year winds down, the UV Index generally reflects a trend of decreasing intensity, dropping from highs of 7 during the summer months of June and July, to more moderate levels in early autumn and finally settling back to a safe, low exposure category by year-end. For more detailed insights into UV levels throughout the year, check out Jastarnia UV Index.
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In Jastarnia, Poland, December marks a gentle transition from the vibrant hours of sunlight seen in the warmer months to the quieter winter season. With 126 hours of sunshine, this month reflects a decrease compared to the peak of 457 hours in June, yet carries a unique charm that draws visitors to its serene winter landscapes. As the year winds down, December's sunlight fades briefly from the summer's 433 hours in May and the cheerful 444 hours of July, signaling a shift toward more subdued days. The gradual descent in sunshine from fall’s 316 hours in September to December's twilight ambiance creates an atmosphere ripe for reflection, cozy gatherings, and enjoying the serene beauty of the coast.
In Jastarnia, Poland, the likelihood of sunny weather in December is relatively low, with only a 20% chance of sunshine gracing the coastal town. This marks a notable decline after the milder transition from autumn, where November saw a slight increase in sunny days with a 19% probability. While the winter months typically bring a drop in sunlight, the trend shows a gradual upward trajectory from the sunniest month of June at 66%, through to April’s 45%. As December rolls in, not only does the chance of sunlight diminish, but it also signals the deepening of winter, making those rare sunny days all the more precious amidst the cold, gray scenery.
In Jastarnia, Poland, December ushers in a return to shorter days, as daylight lasts about 7 hours—a figure that mirrors January's duration. This seasonal shift reflects a well-defined cyclical pattern: the year starts with limited sunlight, gradually increasing to a splendid peak in June, where 17 hours of daylight dominate. As summer fades, a steady decline occurs, with August still offering a generous 14 hours, before transitioning back to the more somber light of late autumn and winter. By December, the sunlight diminishes, creating a contemplative atmosphere that invites cozy gatherings and winter festivities, setting the stage for the new year ahead.
In December, Jastarnia experiences a noticeable increase in wind activity, with an average speed of 7.9 m/s (18 mph), making it the windiest month of the year. This uptick follows a trend established in the preceding months, where wind speeds gradually climbed from 5.6 m/s (12 mph) in May to a more robust 7.4 m/s (17 mph) in November. As winter settles in, the winds whip through the quaint seaside streets, adding a brisk chill to the air and invigorating the coastal landscape. Overall, December’s winds mark a culmination of a steady rise, creating a vibrant and dynamic atmosphere for both residents and visitors in Jastarnia.
Weather in Jastarnia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jastarnia, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January share similar maximum temperatures, both peaking at around 10°C (50°F), but January tends to be colder overall with an average temperature of just 2°C (37°F) compared to December's 4°C (39°F). The minimum temperatures in January can drop to -7°C (19°F), making it the colder of the two months. Precipitation is also reduced in January, with 64 mm (2.5 in) of rain over 14 days, compared to December's 81 mm (3.2 in) over 17 days. Both months experience high humidity levels at 89%. For a more detailed look at January weather, visit Jastarnia weather in January.
December and February present distinct yet comparable weather patterns. In December, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 10°C (50°F), with an average of 4°C (39°F). This month experiences considerable precipitation, totaling 81 mm (3.2 in) over 17 days, accompanied by consistent humidity levels at 89%. In contrast, February is slightly colder, with temperatures dropping to a minimum of -8°C (18°F) and an average of 2°C (36°F), peaking at 13°C (55°F). Precipitation is less in February, totaling 51 mm (2.0 in) across 13 days, while humidity remains steady at 89%. For a detailed overview of February weather in a specific location, check out Jastarnia weather in February.
December and March present contrasting weather patterns, despite their similar maximum temperatures. In December, the average temperature hovers around 4°C (39°F), with lows reaching -4°C (25°F) and highs of 10°C (50°F). This month also experiences significant precipitation of 81 mm (3.2 in) over 17 days, coupled with high humidity levels at 89%.
In contrast, March tends to be slightly colder on average, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 10°C (51°F) and an average of 3°C (38°F). Precipitation is reduced to 51 mm (2.0 in) across 13 days, and humidity remains fairly consistent at 88%. You can find more specific details about March weather Jastarnia weather in March. Overall, while both months experience a similar peak temperature, December is characterized by higher humidity and more precipitation.
December weather typically presents a chillier atmosphere compared to April, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 10°C (50°F). This month also sees a significant amount of precipitation, totaling 81 mm (3.2 in) over approximately 17 days, all while maintaining a high humidity level of 89%. In contrast, April enjoys milder temperatures, with averages fluctuating between 0°C (33°F) and a comfortable 16°C (60°F). Precipitation is notably lower in April, measuring only 30 mm (1.2 in) across about 7 days, along with a slight decrease in humidity to 84%. For more detailed insights, check Jastarnia weather in April.
December and May present a striking contrast in weather. In December, temperatures range from a chilly -4°C (25°F) to a maximum of 10°C (50°F), accompanied by frequent precipitation—81 mm (3.2 in) over 17 days—resulting in a high humidity level of 89%. On the other hand, May brings milder conditions, with temperatures ranging from a minimum of 2°C (37°F) to a pleasant maximum of 20°C (68°F). Precipitation is also lighter in May, averaging 50 mm (2.0 in) over just 9 days, and the humidity drops to a more comfortable 76%. For more detailed insights, check out Jastarnia weather in May.
December and June present starkly contrasting weather conditions. In December, the temperatures range from a chilly -4°C (25°F) at night to a mild 10°C (50°F) during the day, with an average temperature around 4°C (39°F). The month is characterized by significant precipitation of 81 mm (3.2 in) spread over 17 days, alongside high humidity levels of 89%. In contrast, June offers a much warmer climate, with temperatures ranging from a comfortable 9°C (48°F) at night to a pleasant 26°C (79°F) during the day, resulting in an average of 17°C (62°F). Precipitation is notably lower at 51 mm (2.0 in) over just 7 days, and humidity drops to 76%. For a more detailed look at the weather in June, you can check Jastarnia weather in June.
December and July present stark contrasts in weather. In December, temperatures can drop as low as -4°C (25°F) and typically hover around an average of 4°C (39°F), reaching a maximum of 10°C (50°F). This month also experiences high humidity at 89%, with precipitation occurring on 17 days, totaling 81 mm (3.2 in). In contrast, July boasts much milder temperatures, with a minimum of 13°C (56°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). The humidity dips to 76%, and although precipitation remains the same at 81 mm (3.2 in), it falls over fewer days—only 12 in total. For those curious about the specifics of July weather in this region, more information can be found at Jastarnia weather in July.
December and August present stark contrasts in weather. In December, temperatures can drop as low as -4°C (25°F) with an average of 4°C (39°F) and a maximum of 10°C (50°F). The month is characterized by high humidity at 89% and considerable precipitation, totaling 81 mm (3.2 in) over 17 days. In contrast, August sees much milder weather, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 27°C (81°F), and an average of 19°C (67°F). The summer month experiences lower precipitation at 60 mm (2.4 in) and humidity levels around 76%, spread over just 11 days. For more details, check out Jastarnia weather in August.
In December, temperatures drop significantly, with a minimum of -4°C (25°F) and an average of 4°C (39°F), contrasting sharply with September's milder climate, where temperatures range from a minimum of 11°C (51°F) to a maximum of 26°C (78°F). December experiences more humidity at 89% compared to September's 81%, adding to the winter chill. Both months see a similar amount of precipitation, with December recording 81 mm (3.2 in) over 17 days, slightly less than September's 89 mm (3.5 in) over 15 days, but the overall sensation of wetness feels harsher in the colder month. For those interested in the specifics of September weather, you can check out Jastarnia weather in September.
In comparing the weather between October and December, we see a notable drop in temperatures as winter approaches. December experiences a minimum temperature of -4°C (25°F) and an average of 4°C (39°F), while October enjoys milder conditions with a minimum of 6°C (42°F) and an average of 12°C (54°F). Precipitation is slightly lower in December at 81 mm (3.2 in) over 17 days, compared to October's 114 mm (4.5 in) over 18 days. Additionally, humidity remains high in both months, with December at 89% and October at 86%. For more details, you can check out Jastarnia weather in October.
In comparing the weather between December and November, December tends to be colder, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 10°C (50°F), while November sees milder conditions, with temperatures ranging from -1°C (30°F) to 15°C (59°F). Additionally, December has slightly higher precipitation levels at 81 mm (3.2 in) over 17 days, compared to November's 77 mm (3.0 in) during the same number of days. Both months experience high humidity levels at 89%, but December's chill combines with increased precipitation to create a distinctly different atmosphere. For detailed weather insights in November, you can visit Jastarnia weather in November.
As December wraps Jastarnia in its winter embrace, the weather contrasts sharply with the milder months preceding it. Cold temperatures dominate, introducing a chill that ushers in the festive spirit, while high humidity adds to the season's brisk feel. The increased precipitation throughout the month, with nearly half the days experiencing rain, sets a moody yet captivating atmosphere that makes the coastal town uniquely enchanting. For those looking to explore more about Jastarnia's weather and climate throughout the year, visit Jastarnia Climate.