Last updated: August 27, 2025
In December, Karlskrona, Sweden, experiences a chilly embrace as temperatures oscillate between a brisk maximum of 10°C (50°F) and a biting minimum of -8°C (18°F). With an average temperature hovering around 3°C (38°F), the city dons its winter attire. Precipitation spares no abundance, amassing about 69 mm (2.7 in) over 15 days, which, combined with a notable humidity level of 88%, creates a quintessential Scandinavian winter ambiance. This blend of cool temperatures and persistent moisture makes December a time for cozy gatherings and scenic winter landscapes in this picturesque coastal town.
In December, Karlskrona experiences the full embrace of winter, showcasing a notable drop in temperatures compared to the preceding months. The average temperature settles around 3°C (38°F), with nighttime lows dipping to -8°C (18°F), signaling the start of the colder season. Despite the chilly climate, daytime highs reach a pleasant 10°C (50°F), offering a brief respite from the cold. Overall, December marks a transition period where chilly breezes become a familiar companion, making it an ideal time for cozy gatherings and festive celebrations reminiscent of the Scandinavian winter charm.
In December, Karlskrona experiences a notable uptick in precipitation, with a total of 69 mm (2.7 inches) recorded over the month. This marks an increase from November's 57 mm (2.2 inches), accompanied by a rise in the number of rainy days to 15. This trend highlights the transition into winter, as December consistently brings heavier and more frequent rain, setting the stage for the colder months ahead. With wet weather dominating this time of year, residents can expect a picturesque, albeit damp, holiday season. As the year ends, these patterns of increased precipitation and rainy days serve as a reminder of Sweden's dynamic climate.
In Karlskrona, Sweden, December maintains a relative humidity of 88%, which is slightly lower than the peak levels of the winter months but still significantly high. As the year progresses from January's brisk 90%, humidity gradually declines through spring, reaching its lowest point of 68% in both June and July. However, as autumn approaches, moisture levels rise again, peaking in late fall with November recording 89%. This cyclical pattern showcases the coastal city's tendency to experience high humidity year-round, a characteristic that persists even in the heart of winter, making December a month where the air remains notably damp and crisp.
In December, Karlskrona experiences a low UV Index of 1, similar to January and November, making it a time when sun exposure is minimal. With a burn time of 45 minutes, outdoor enthusiasts can enjoy the holiday season without the constant worry of sunburn. This trend reflects the gradual shift from higher UV levels during the summer months, peaking at 7 in July and June, to the calmer rates of winter. It's essential, however, to remain mindful of sun safety even amidst the chilly season. For more insights on seasonal UV trends, check out the detailed Karlskrona UV Index.
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In Karlskrona, Sweden, December welcomes a subdued 96 hours of sunshine, marking a stark contrast to the vibrant light of earlier months. Following the gradual ascent from just 97 hours in January to a peak of 459 hours in July, the sun begins to retreat as autumn gives way to winter. By December, the sunlight hours drop significantly, echoing the earlier decline seen from November's 129 hours. This trend showcases the seasonal ebb and flow of daylight in this coastal gem, where the long summer days make the brief winter rays all the more precious. As the year comes to a close, residents eagerly anticipate the return of longer, sunnier days that follow the dark winter months.
In Karlskrona, Sweden, the likelihood of sunny weather experiences significant fluctuations throughout the year. While December offers a modest 23% chance of sunshine, it is one of the lower months in the annual cycle, particularly following the even gloomier November, which sees just a 14% likelihood of sun. This trend highlights a gradual uplift as the year progresses into the spring months, with sunshine probabilities peaking in the warmer summer season, notably reaching 53% in June. December's cool grip gives way to the promise of brighter skies ahead, making it a month where any sun feels like a welcomed gift amidst the long winter days.
As the year wraps up in Karlskrona, Sweden, December brings a notable shift in daylight, with only 6 hours of sunlight, marking the nadir of the annual cycle. This decrease in daylight follows a gradual decline from the 16 hours enjoyed in June, illustrating the striking contrast between the vibrant brightness of summer and the often gloomy winter months. As autumn transitions to the chill of winter, daylight dwindles each month, peaking at 8 hours in November and succumbing to the shortest days of the year by December. Despite the minimal sunlight, the cozy ambiance of the festive season offers a warmth that can brighten even the darkest of days. Each dwindling hour of daylight serves as a reminder of the cyclical nature of light and dark, setting the stage for the gradual resurgence of longer days as the calendar inches towards spring.
As December settles over Karlskrona, the winds pick up a brisk pace, averaging 4.7 m/s (11 mph), which is in line with the momentum built throughout the late fall months. Following the gusty November, which also recorded 5.0 m/s (11 mph), December maintains a robust wind presence, contributing to the region's characteristic chill. Notably, this slight dip from October's wind speed reflects a seasonal trend, as winds generally taper off after the intensity of early winter begins to take hold. Throughout the year, Karlskrona experiences fluctuations in wind speed, with May and July being the calmest months, but the sturdy winds of December serve as a reminder of the approaching winter, setting the stage for the cozy comforts of the season ahead.
Weather in Karlskrona varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Karlskrona, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both bring wintery conditions, but January tends to be slightly colder overall. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 10°C (50°F), with an average of 3°C (38°F) and 15 days of precipitation totaling 69 mm (2.7 in). In contrast, January sees even lower minimum temperatures dipping to -10°C (14°F), while the average remains slightly cooler at 2°C (36°F); however, the maximum stays the same at 10°C (50°F). Rainfall in January is less, totaling 50 mm (2.0 in) over 10 days, and it also has a bit more humidity at 90%. For a closer look at the conditions you can expect, check out Karlskrona weather in January.
December typically features slightly milder temperatures compared to February, with an average of 3°C (38°F) compared to February's chilly average of 1°C (35°F). However, both months experience cold minimums, with December dipping to -8°C (18°F) and February reaching a lower -12°C (11°F). Precipitation levels are somewhat comparable, with December receiving 69 mm (2.7 in) over 15 days and February accumulating 58 mm (2.3 in) over 12 days. Humidity remains high in both months, with February showing a slightly higher level at 89% compared to December's 88%. For more detailed information about February weather in Karlskrona, you can visit Karlskrona weather in February.
December and March in Karlskrona exhibit some notable similarities and differences in weather. Both months share an average temperature of 3°C (38°F), but March tends to be slightly warmer, with a maximum of 13°C (56°F) compared to December's 10°C (50°F). Interestingly, December features a minimum temperature of -8°C (18°F), while March is even cooler, dipping to -9°C (16°F). Precipitation is more frequent in December, with 69 mm (2.7 in) over 15 days, in contrast to March's 54 mm (2.1 in) spread across 13 days. Despite these variations, both months maintain a high humidity level of 88%. For more detailed insights, you can check Karlskrona weather in March.
December and April present stark contrasts in weather conditions. In December, the average temperature hovers around 3°C (38°F), with min temperatures reaching as low as -8°C (18°F) and max temperatures peaking at 10°C (50°F). The month is characterized by high humidity levels of 88% and frequent precipitation, totaling 69 mm (2.7 in) over approximately 15 days.
In contrast, April shows a more temperate climate, with average temperatures rising to 6°C (43°F) and maximums reaching 18°C (65°F). Precipitation is significantly lower at 28 mm (1.1 in), occurring over just 7 days, while humidity decreases slightly to 82%. For a detailed look at April's weather, you can visit Karlskrona weather in April.
December and May present stark contrasts in weather. In December, temperatures can plunge to a minimum of -8°C (18°F), with an average of around 3°C (38°F) and a maximum reaching only 10°C (50°F). The month is characterized by high humidity at 88% and receives about 69 mm (2.7 in) of precipitation over 15 days, resulting in frequent wet conditions. In contrast, May experiences a milder climate, with temperatures starting from a minimum of 0°C (32°F) and soaring to an average of 11°C (51°F) and a maximum of 24°C (75°F). This month enjoys relatively lower humidity at 72% and only 43 mm (1.7 in) of precipitation over 10 days, contributing to a more pleasant and dry atmosphere. For more details on the weather in May, you can visit Karlskrona weather in May.
In December, temperatures can drop significantly, with a minimum of -8°C (18°F) and an average of just 3°C (38°F), contrasting sharply with the warmer conditions of June, where temperatures range from a minimum of 7°C (45°F) to a comfortable maximum of 26°C (79°F). The winter month of December also brings higher precipitation levels of 69 mm (2.7 in) over 15 days, resulting in a chilly and damp atmosphere with 88% humidity. In contrast, June enjoys milder weather with only 37 mm (1.5 in) of rain spread across 7 days and lower humidity at 68%. For those interested in more specifics about enjoyable weather during the summer, you can check Karlskrona weather in June.
December and July represent stark contrasts in weather. In December, the temperatures can dip as low as -8°C (18°F), with an average of around 3°C (38°F) and highs reaching up to 10°C (50°F). The month is characterized by higher humidity at 88% and 69 mm (2.7 inches) of precipitation spread over 15 days. In contrast, July offers a much warmer climate, with minimum temperatures of 10°C (50°F) and an average of 18°C (64°F), peaking at a comfortable 28°C (82°F). The atmosphere is drier, with humidity at 68% and slightly lower precipitation of 61 mm (2.4 inches) over just 11 days. For more details on July weather, check out Karlskrona weather in July.
December weather is characterized by significantly colder temperatures, with averages around 3°C (38°F) and lows dropping to -8°C (18°F), while August enjoys much milder conditions, with average temperatures of 17°C (63°F) and highs reaching up to 28°C (83°F). Additionally, December experiences higher humidity levels at 88%, contributing to a colder, damp feel, compared to August's more comfortable 73% humidity. Precipitation is quite similar in both months, with December seeing 69 mm (2.7 in) over approximately 15 days and August recording 67 mm (2.7 in) over 12 days. For more details on August weather, check out Karlskrona weather in August.
December and September present stark contrasts in weather conditions. In December, temperatures range from a minimum of -8°C (18°F) to a maximum of 10°C (50°F), averaging around 3°C (38°F). The month is characterized by higher humidity at 88% and greater precipitation, averaging 69 mm (2.7 in) over 15 days. In contrast, September enjoys milder temperatures, with a minimum of 3°C (38°F) and a maximum reaching 23°C (74°F), leading to a more pleasant average of 14°C (58°F). This month experiences less precipitation, totaling 60 mm (2.3 in) over 11 days, and slightly lower humidity at 81%. For more details on the weather in September, visit Karlskrona weather in September.
In comparing the weather between December and October, December typically presents a chillier climate with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 10°C (50°F), contrasting with October's milder temperatures that range from 0°C (33°F) to 17°C (62°F). While both months experience similar levels of precipitation, December sees 69 mm (2.7 in) over 15 days, slightly more than October's 70 mm (2.8 in) across 13 days. Humidity remains high throughout both months, with December at 88% and October at 87%. For a more detailed view of weather patterns during October, you can check Karlskrona weather in October.
December weather in Karlskrona is notably colder than in November, with average temperatures dropping from 6°C (44°F) in November to just 3°C (38°F) in December. The minimum temperatures also decrease, reaching as low as -8°C (18°F) in December compared to -5°C (24°F) in November. Precipitation increases slightly, with December receiving 69 mm (2.7 in) over 15 days, compared to 57 mm (2.2 in) over 12 days in November. Despite the continued high humidity levels of approximately 88% in December and 89% in November, the overall weather tends to feel much colder as the year comes to a close. For a more in-depth look at November's weather patterns, you can refer to Karlskrona weather in November.
As December rolls into Karlskrona, the weather takes a noticeable turn towards winter, bringing cooler temperatures and increased precipitation compared to the preceding months. With average temperatures struggling to reach a mild 3°C, residents and visitors alike can expect brisk conditions dominated by an 88% humidity level. The city experiences about 15 days of precipitation, making this month particularly damp. This shift not only transforms the landscape into a chilly winter wonderland but also sets the stage for the festive season. If you're interested in understanding how Karlskrona's climate evolves throughout the year, take a look at the detailed insights provided in Karlskrona Climate.