January Weather in Karlskrona, Sweden

Last updated: August 27, 2025

In January, Karlskrona experiences a chilly maritime climate, with maximum temperatures reaching up to 10°C (50°F) and dipping to a minimum of -10°C (14°F). The average temperature settles around 2°C (36°F), making warm layers a necessity. This month also sees precipitation totaling approximately 50 mm (2.0 in) spread over 10 days, contributing to a notably high humidity level of 90%. As winter grips the town, the landscape transforms, offering a serene yet brisk atmosphere ideal for winter exploration.

January Temperature in Karlskrona

In January, Karlskrona, Sweden, experiences a chilling embrace of winter, with temperatures typically ranging from a brisk -10°C (14°F) at night to a more moderate 10°C (50°F) during the day. This month marks a transitional phase as the average temperature hovers around 2°C (36°F), offering a glimpse of the gradual warming that follows. As winter deepens, nighttime lows remain notably cold, positioning January as one of the harsher months in terms of temperature. However, the gradual rise in daily maximums hints at the impending arrival of spring, setting the stage for the mild temperatures that begin to emerge in February and beyond.

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

The chart illustrates January temperature patterns in Karlskrona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlskrona, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363537435161646357504337
Data source: Temperature data for Karlskrona 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.

January Precipitation in Karlskrona

In January, Karlskrona experiences a moderate amount of precipitation, receiving 50 mm (2.0 in) over approximately 10 days. This sets the stage for a wetter February, where precipitation increases to 58 mm (2.3 in) over 12 days, hinting at the winter's lingering influence. However, as spring approaches, March shows a slight decrease to 54 mm (2.1 in) while still maintaining a consistent pattern of rain. The trend continues into April with a more significant drop to 28 mm (1.1 in), illustrating the transition to drier conditions. Throughout the following months, precipitation fluctuates, with July and August peaking at 61 mm (2.4 in) and 67 mm (2.7 in), respectively, highlighting the summer’s return of rain. Notably, the onset of autumn sees precipitation levels increase again, with October reaching 70 mm (2.8 in), reflecting a season filled with shifting weather patterns. Thus, January's precipitation serves as an essential marker in understanding the dynamic climate cycle of Karlskrona.

January Precipitation Trends in Karlskrona

The chart displays monthly precipitation patterns in Karlskrona, 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 Karlskrona, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec505854284337616760705769
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Karlskrona

In January, Karlskrona experiences a high humidity level of 90%, setting the stage for a typical Scandinavian winter. As the months progress towards spring, humidity begins to gradually decline, with February and March seeing slight decreases to 89% and 88%, respectively. This trend continues into April, where humidity drops further to 82%, indicating a shift as spring approaches. The warmer months of May and June bring a more comfortable humidity level of 72% and 68%, which continues into July, before a slight uptick to 73% in August. As autumn sets in, humidity levels rise again, reflecting the transitional nature of the seasons, with October, November, and December returning to higher percentages of 87%, 89%, and 88%. Overall, the data illustrates a clear seasonal rhythm in humidity, with winter and the transitional autumn months showcasing the highest levels, while late spring and summer offer a drier reprieve.

January Average Humidity in Karlskrona

This chart illustrates the average monthly humidity levels in Karlskrona, 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 Karlskrona is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%82%72%68%68%73%81%87%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Karlskrona

In January, Karlskrona experiences a low UV Index of 1, indicating minimal sun exposure risk with a burn time of 45 minutes, a trend that continues into February. As spring approaches, the UV Index rises moderately with March and April reaching values of 3 and 5, respectively, resulting in shorter burn times of 30 minutes. By May and June, the index peaks at 6 and 7, pushing the exposure category to high and reducing burn times to just 25 minutes. The summer months of July and August maintain this heightened UV exposure, before tapering down in September to a moderate level of 5. As the year closes, the UV Index returns to a low category in November and December, with consistent burn times of 45 minutes. For comprehensive insights on sun exposure, visit Karlskrona UV Index.

Maximum UV Index Levels in Karlskrona for January

The chart shows the monthly maximum UV Index (UVI) for Karlskrona 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 Karlskrona typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Karlskrona 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 Karlskrona

In Karlskrona, Sweden, the journey from winter to summer is marked by a gradual increase in sunshine hours, beginning with a modest 97 hours in January. As the days lengthen, February brings 169 hours, hinting at the promise of spring. By March, the sunlight expands significantly to 255 hours, and April further amplifies this growth with 367 hours. The months of May and June shine brightest, peaking at 436 hours and 454 hours, respectively, as the vibrant energy of summer fully envelops the city. The sunshine continues its ascent into July, with 459 hours, before gently tapering off in August at 407 hours. As autumn sets in, September sees a reduction to 308 hours, followed by October's 238 hours. Finally, the year closes with November's 129 hours and December's 96 hours, a gentle reminder of the cyclical nature of seasons and the persistent promise of light returning with the new year. This progression paints a vivid picture of sunshine's role in rhythmically shaping life in Karlskrona throughout the year.

Monthly Sunshine Duration in Karlskrona: January Highlighted

The January sunshine duration represents the total number of hours Karlskrona 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.
JanFebMarAprMayJunJulAugSepOctNovDec97h169h255h367h436h454h459h407h308h238h129h96h
Data source: Karlskrona January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlskrona During January

In Karlskrona, Sweden, January heralds the year's gloomiest days, with a meager 18% chance of sunny weather. This trend starkly contrasts with the sunnier months that follow, particularly February, which nearly doubles the likelihood of sunshine at 37%. As spring approaches, the sun begins to make a more consistent appearance, peaking in April at 48%. Interestingly, while the summer introduces the highest sunny days with 53% in June, the percentages take a gentle dip again into the fall. Thus, January's chill serves as a reminder of the brighter days ahead, as the likelihood of sunshine steadily increases into the spring and summer months.

Percentage of Sunny Days in January in Karlskrona

The chart illustrates the percentage of sunny days in Karlskrona 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 Karlskrona experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%37%34%48%39%53%40%37%30%26%14%23%
Data source: Karlskrona January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlskrona in January

In January, Karlskrona, Sweden, experiences about 7 hours of daylight, marking the year’s darkest days. However, as February arrives, the promise of increasing light becomes evident with 9 hours, paving the way for the gradual lengthening as spring approaches. By March, daylight stretches to 11 hours, and by April, it significantly increases to 14 hours, invigorating the landscape with light and energy. The peak of summer brilliance occurs in June, where the days are a dazzling 17 hours long, before beginning a gentle decline. July and August still enjoy substantial 16 and 15 hours respectively, but by September, the daylight wanes to 12 hours. The diminishing hours continue into the autumn months, with October at 10 hours and November compressing daylight down to 8 hours, before the cycle returns to its winter slumber with just 6 hours in December. This rhythmic pattern of daylight not only defines the seasons but also shapes the spirit of Karlskrona’s residents throughout the year.

Average Daylight Hours in Karlskrona for January

The chart illustrates the variation in daylight duration in Karlskrona throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 36m9h 33m11h 53m14h 16m16h 24m17h 34m16h 56m15h12h 41m10h 19m8h 10m6h 58m
Data source: Karlskrona daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Karlskrona

In January, Karlskrona experiences an average wind speed of 4.8 m/s (11 mph), setting the tone for a winter landscape characterized by brisk breezes. Transitioning into February, the winds pick up slightly, reaching 5.0 m/s (11 mph), before tapering off in March at 4.7 m/s (10 mph). April sees a revival, with speeds returning to 4.9 m/s (11 mph), as the city welcomes the onset of spring. However, by May, the winds soften to 3.8 m/s (8 mph), suggesting a more serene atmosphere as the days warm. The trend continues through the summer months with minimal fluctuations, maintaining an average of 3.9 m/s (9 mph) in both July and June. As autumn approaches, August witnesses a modest increase to 4.5 m/s (10 mph), followed by 4.1 m/s (9 mph) in September. The closing months of the year see a resurgence in wind strength, with October and November both registering 5.0 m/s (11 mph), before winding down in December at 4.7 m/s (11 mph). Overall, January remains a cornerstone in the annual wind cycle, with its brisk conditions reflecting the dynamic seasonal changes in Karlskrona.

Average January Wind Speed in Karlskrona

The chart displays monthly wind speed patterns in Karlskrona, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s5.04.74.93.83.93.94.54.15.05.04.7
Data source: Karlskrona January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Karlskrona Compares to Other Months

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

January and February present a relatively consistent, chilly winter climate, but with some notable differences. In January, temperatures range from a minimum of -10°C (14°F) to a maximum of 10°C (50°F) with an average of 2°C (36°F), while February sees slightly colder conditions with a minimum of -12°C (11°F) and an average of 1°C (35°F), but the maximum temperature remains similar at 11°C (52°F). Precipitation increases slightly in February, totaling 58 mm (2.3 in) over 12 days, compared to January’s 50 mm (2.0 in) over 10 days. Humidity levels remain relatively high in both months, at 90% for January and 89% for February. For more detailed insights about the February weather, you can check the following link: Karlskrona weather in February.

When comparing the weather between January and March, both months experience cold temperatures, but March shows a slight warming trend. In January, temperatures can drop to a minimum of -10°C (14°F), with an average of 2°C (36°F) and a maximum of 10°C (50°F). In contrast, March has a minimum of -9°C (16°F), an average of 3°C (38°F), and peaks at 13°C (56°F). Precipitation is relatively close in both months, with January recording 50 mm (2.0 in) over 10 days and March slightly higher at 54 mm (2.1 in) across 13 days. Humidity levels are also similar, with January at 90% and March at 88%. For a more detailed view of March weather, you can explore Karlskrona weather in March.

January in Karlskrona is marked by chilly temperatures, with averages hovering around 2°C (36°F) and nighttime lows plummeting to -10°C (14°F). The month tends to be quite humid, with an average humidity of 90% and about 50 mm (2.0 in) of precipitation over 10 days. In contrast, April sees a noticeable warming trend, as average temperatures rise to 6°C (43°F) and highs can reach up to 18°C (65°F). Precipitation decreases to 28 mm (1.1 in) spread over just 7 days, and humidity drops to 82%. For more detailed information, you can check out Karlskrona weather in April.

In January, the weather is notably cold, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 10°C (50°F) and an average of around 2°C (36°F). The high humidity level of 90% combined with 50 mm (2.0 in) of precipitation over 10 days contributes to a chilly and damp atmosphere. In contrast, May brings a much milder climate, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 24°C (75°F) and an average of 11°C (51°F). This month experiences slightly less precipitation at 43 mm (1.7 in) and maintains lower humidity levels at 72%, making it a more pleasant time to be outdoors. For more detailed insights into May weather in Karlskrona, you can visit Karlskrona weather in May.

January and June present stark contrasts in weather. In January, temperatures can drop as low as -10°C (14°F), with an average of around 2°C (36°F) and a maximum of 10°C (50°F). The month is characterized by high humidity at 90% and receives about 50 mm (2.0 in) of precipitation over approximately 10 days. In contrast, June offers much milder conditions, starting with minimum temperatures of 7°C (45°F) and averaging 16°C (62°F), peaking at a pleasant 26°C (79°F). This summer month experiences lower humidity at 68% and sees less rain, with around 37 mm (1.5 in) spread over just 7 days. For more details on the weather during this vibrant season, you can visit Karlskrona weather in June.

January and July in Karlskrona exhibit striking contrasts in weather. In January, temperatures can dip as low as -10°C (14°F), with an average of 2°C (36°F) and a maximum of 10°C (50°F). This winter month experiences high humidity at 90% and sees approximately 50 mm (2.0 in) of precipitation over about 10 days. In contrast, July brings a much warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a pleasant average of 18°C (64°F), peaking at 28°C (82°F). While July is slightly wetter, with about 61 mm (2.4 in) of precipitation over 11 days, the humidity decreases to a more comfortable 68%. For a deeper look at July's weather, visit Karlskrona weather in July.

January and August present notably different weather patterns. In January, temperatures can plunge to a minimum of -10°C (14°F) and generally hover around an average of 2°C (36°F), with a maximum reaching just 10°C (50°F). This month also experiences high humidity at 90% and sees about 50 mm (2.0 in) of precipitation over roughly 10 days. Conversely, August features milder temperatures, with a minimum of 9°C (49°F) and an average of 17°C (63°F), peaking at a warm 28°C (83°F). While precipitation increases slightly to 67 mm (2.7 in) over 12 days, humidity is lower at 73%. For a detailed look at what to expect during this month, check out Karlskrona weather in August.

In January, the weather is quite chilly, with temperatures ranging from a frigid -10°C (14°F) to a mild maximum of 10°C (50°F), contributing to an average temperature of just 2°C (36°F). The month also sees significant precipitation of 50 mm (2.0 in) over approximately 10 days, combined with high humidity levels of 90%, creating a damp and cold atmosphere.

Conversely, September offers a much milder climate, with temperatures ranging from a cool minimum of 3°C (38°F) to a pleasant maximum of 23°C (74°F), resulting in an average temperature of 14°C (58°F). Although September has slightly more precipitation at 60 mm (2.3 in) over 11 days, humidity decreases to 81%, making it feel more comfortable than January. For more detailed insights, you can check Karlskrona weather in September.

In January, temperatures in Karlskrona experience a sharp chill, ranging from a minimum of -10°C (14°F) to a maximum of 10°C (50°F), with an average temperature hovering around 2°C (36°F). The month sees about 50 mm (2.0 in) of precipitation over 10 days, accompanied by high humidity levels at 90%. In contrast, October welcomes milder temperatures, with lows around 0°C (33°F) and highs reaching 17°C (62°F), yielding an average of 10°C (50°F). Precipitation increases slightly to 70 mm (2.8 in) over 13 days, and humidity remains relatively high at 87%. For more insights, check Karlskrona weather in October.

In January, the weather is noticeably colder, with temperatures ranging from a minimum of -10°C (14°F) to a maximum of 10°C (50°F), averaging 2°C (36°F). The humidity is quite high at 90%, and the month sees about 50 mm (2.0 in) of precipitation spread over roughly 10 days. In contrast, November offers milder temperatures, with minimums around -5°C (24°F) and maximums reaching 16°C (60°F), averaging 6°C (44°F). Precipitation increases slightly to 57 mm (2.2 in) over about 12 days, and humidity remains relatively high at 89%. Overall, November features a more temperate climate compared to the chill of January. For more details, visit Karlskrona weather in November.

In comparing the weather between January and December, we observe that January tends to have slightly colder temperatures, with a minimum of -10°C (14°F) versus December's minimum of -8°C (18°F). Both months experience similar maximum temperatures, peaking at 10°C (50°F). However, December sees a bit more precipitation, with 69 mm (2.7 in) over 15 days, compared to January's 50 mm (2.0 in) across 10 days. Additionally, January has a higher humidity level at 90%, while December's humidity is at 88%. For more detailed insights, check out Karlskrona weather in December.

Compare Karlskrona's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Karlskrona

As January settles over Karlskrona, the weather brings a distinct chill that sets it apart from other months. With temperatures often hovering around freezing and the potential for lows dipping significantly, residents and visitors alike experience a stark contrast to the milder spring and summer seasons. January is marked by heightened humidity and regular precipitation days, contributing to a wintry atmosphere that envelops the city. If you're curious about how this month fits into the broader yearly climate trends, check out Karlskrona Climate for a detailed overview.