October Weather in Karlskrona, Sweden

Last updated: August 27, 2025

In October, Karlskrona, Sweden, experiences a shift towards cooler weather, with maximum temperatures reaching 17°C (62°F) and an average of 10°C (50°F). The month marks a noticeable drop with minimum temperatures dipping to 0°C (33°F), signaling the onset of autumn. Rainfall is quite prevalent, totaling 70 mm (2.8 in) over 13 days, contributing to the city's signature humidity level of 87%. Those visiting or residing in Karlskrona during this time should prepare for a mix of crisp air and intermittent showers, perfect for cozy autumn activities.

October Temperature in Karlskrona

As October unfolds in Karlskrona, Sweden, a noticeable shift occurs in the weather, marking the transition to cooler months. The temperatures dip gently, with nighttime lows averaging around 0°C (33°F), while daytime highs reach a comfortable 17°C (62°F). This month boasts an average temperature of 10°C (50°F), providing a crisp backdrop perfect for enjoying autumn foliage. Compared to the balmy days of summer when highs lingered around 28°C (83°F) in July and August, October introduces a refreshing chill, foreshadowing the winter to come. As the season progresses, the city’s charm transforms, inviting residents and visitors alike to embrace cozy sweaters and enjoy outdoor activities amidst falling leaves.

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

The chart illustrates October 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, October 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.

October Precipitation in Karlskrona

In October, Karlskrona experiences a noticeable uptick in precipitation, with an average of 70 mm (2.8 in) of rainfall over 13 days—the highest for the month compared to the preceding months. This increase not only marks a significant transition into the wetter autumn season but also suggests a shift from the relatively drier late summer months. Following September's 60 mm, October's volumes contribute to the overall trend of increasing precipitation as the year progresses, hinting at the approaching winter's chill and the moist conditions typical of Scandinavian climate patterns. Such rainfall enriches the local landscape, painting the city in vibrant autumn hues while preparing the ground for the colder months ahead.

October Precipitation Trends in Karlskrona

The chart displays monthly precipitation patterns in Karlskrona, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Karlskrona, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec505854284337616760705769
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Karlskrona

In October, Karlskrona, Sweden, experiences a notable increase in humidity, climbing to 87%, which hints at the transition into the more damp and chilly months of autumn. This spike follows a gradual increase from 81% in September, embodying the return of brisker air and preparing the region for the winter. The fall months consistently bring higher humidity levels compared to the summer's drier peaks—where July and June linger around a comfortable 68%—illustrating a clear seasonal pattern. As temperatures drop, the dance between moist air and cooler conditions creates an atmosphere rich with the essence of autumn, evident in the steady rise towards winter's wet embrace.

October Average Humidity in Karlskrona

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

October UV Index in Karlskrona

As October settles in Karlskrona, Sweden, the UV Index dips to a moderate level of 3, marking a shift from the high summer readings. With a burn time of around 30 minutes, it's a reminder that while the sun's intensity decreases, protection is still advisable. This trend reveals a gradual transition from the peak UV Index of 7 seen in July and August, through the more moderate levels of September, before moving into the quieter months ahead. By November, the UV Index drops further to 1, indicating low exposure risk. As you enjoy the crisp autumn air, don’t forget to check the daily levels for safe sun exposure by visiting Karlskrona UV Index.

Maximum UV Index Levels in Karlskrona for October

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

October Sunshine in Karlskrona

As autumn sets in, October in Karlskrona offers a gentle decline in sunshine compared to the vibrant summer months, with 238 hours of sunlight illuminating the landscape. This marks a noticeable drop from the peak of 459 hours in July, reflecting the transition from the sun-drenched days of summer to the crispness of fall. Following the September sun’s warm embrace of 308 hours, October beckons a more subdued glow, yet it still shines brighter than the winter months ahead, significantly outpacing November's mere 129 hours. This gradual shift reminds us of the fleeting beauty of autumn, inviting residents and visitors alike to bask in the golden hues while they last.

Monthly Sunshine Duration in Karlskrona: October Highlighted

The October sunshine duration represents the total number of hours Karlskrona experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec97h169h255h367h436h454h459h407h308h238h129h96h
Data source: Karlskrona October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlskrona During October

In Karlskrona, Sweden, October brings a noticeable decline in the likelihood of sunny weather, with only a 26% chance of sunshine gracing the city. This marks a trend of decreasing sunlight as the year progresses; following the bright days of summer, where June boasts a 53% chance, the sun’s presence diminishes steadily. The transition from September’s 29% prompts a shift into the cooler months, highlighting a distinct drop heading into winter. As daylight hours shorten and temperatures fall, October serves as a reminder of the impending colder months, where sunny days become a much rarer occurrence.

Percentage of Sunny Days in October in Karlskrona

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

Daylight Hours in Karlskrona in October

As October arrives in Karlskrona, Sweden, the days begin to shorten noticeably, offering around 10 hours of daylight—a subtle transition from the long, sun-soaked days of summer. This month marks a significant dip from the highs of 16 hours in May and June, gradually tapering off as autumn deepens. Following a peak in daylight during the vibrant summer months, October’s hours reflect a shift towards the cozy embrace of fall. The lingering light still allows for beautiful autumn strolls, but a drop to 8 hours in November hints at the approaching winter, reminding residents to cherish each sunny moment before the darker days set in.

Average Daylight Hours in Karlskrona for October

The chart illustrates the variation in daylight duration in Karlskrona throughout the year, with October 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.

October Winds in Karlskrona

As October arrives in Karlskrona, Sweden, the winds start to pick up, with average wind speeds reaching 5.0 m/s (11 mph)—matching the gusty conditions of both November and February. This month marks a notable resurgence in wind intensity, particularly after the calmer days of summer, where winds dipped to as low as 3.8 m/s (8 mph) in May. Interestingly, the trend shows a gradual increase in wind speed from September's 4.1 m/s (9 mph), creating a lively atmosphere as autumn unfolds. With the crisp October air and invigorating breezes, residents and visitors alike can relish the dynamic shift in Karlskrona’s weather, setting the stage for the enchanting Scandinavian fall.

Average October Wind Speed in Karlskrona

The chart displays monthly wind speed patterns in Karlskrona, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.04.74.93.83.93.94.54.15.0 m/s5.04.7
Data source: Karlskrona October wind data, generated using information from the Copernicus Climate Change Service.

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

October and January present quite contrasting weather conditions. In October, temperatures range from a chilly 0°C (33°F) at night to a mild 17°C (62°F) during the day, with an average of 10°C (50°F). The month sees about 70 mm (2.8 in) of rainfall over approximately 13 days, coupled with a high humidity level of 87%. In contrast, January experiences much colder temperatures, with a minimum of -10°C (14°F) and a maximum of 10°C (50°F), averaging just 2°C (36°F). Precipitation is slightly lower at 50 mm (2.0 in) over about 10 days, while humidity increases to 90%. For a detailed look at January weather, check out Karlskrona weather in January.

October and February present distinctly different weather conditions. In October, temperatures range from a chilly 0°C (33°F) at night to a mild average of 10°C (50°F), peaking at 17°C (62°F) during the day. The month sees about 70 mm (2.8 in) of precipitation across 13 days, with high humidity levels at 87%. In contrast, February experiences colder conditions, with nighttime temperatures dropping as low as -12°C (11°F) and an average temperature of just 1°C (35°F), reaching a maximum of 11°C (52°F). Precipitation in February is slightly less at 58 mm (2.3 in) over 12 days, while humidity increases to 89%. For more detailed information, check out Karlskrona weather in February.

October and March present contrasting weather patterns, each with their own unique characteristics. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 17°C (62°F), averaging around 10°C (50°F) with relatively high humidity at 87% and 70 mm (2.8 in) of precipitation over 13 days. Conversely, March is chillier, with temperatures dipping as low as -9°C (16°F) and peaking at 13°C (56°F), resulting in an average of just 3°C (38°F). While March experiences slightly less precipitation at 54 mm (2.1 in) over the same number of days, it maintains a comparable humidity level of 88%. For more detailed insights into the conditions in March, you can explore Karlskrona weather in March.

When comparing the weather in October and April, we notice distinct differences. October offers a more moderate range of temperatures, with an average of 10°C (50°F) and highs reaching 17°C (62°F), while April has a slightly lower average temperature of 6°C (43°F) and can still reach up to 18°C (65°F) during the day. Precipitation levels are notably higher in October, with 70 mm (2.8 in) over 13 days, compared to only 28 mm (1.1 in) over 7 days in April. Humidity is also higher in October at 87%, while April maintains a lower humidity of 82%. This makes October feel a bit wetter and milder compared to the cooler and drier conditions of April. For more detailed insights, check out Karlskrona weather in April.

When comparing October and May weather, several distinct differences emerge. October experiences cooler temperatures with minimums around 0°C (33°F) and an average of 10°C (50°F), peaking at 17°C (62°F). In contrast, May offers slightly warmer conditions, with minimums at 0°C (32°F), an average of 11°C (51°F), and maximums reaching up to 24°C (75°F). Precipitation also varies, with October receiving 70 mm (2.8 in) over 13 days, while May sees only 43 mm (1.7 in) across 10 days, resulting in a drier experience. Additionally, October has a higher humidity level at 87%, compared to May's 72%. For a detailed look at May's weather patterns, you can visit Karlskrona weather in May.

October and June present contrasting weather patterns. In October, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 17°C (62°F), with an average of 10°C (50°F). Additionally, this month experiences significant precipitation, totaling 70 mm (2.8 in) over about 13 days, and high humidity at 87%. In stark contrast, June features much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F), averaging 16°C (62°F). Precipitation is notably lower in June at 37 mm (1.5 in) over just 7 days, accompanied by a more comfortable humidity level of 68%. For more specific details on June weather, you can visit Karlskrona weather in June.

When comparing the weather in October and July, it's clear that July tends to be much warmer and drier. In July, temperatures range from a minimum of 10°C (50°F) to a maximum of 28°C (82°F), with an average of 18°C (64°F) and only 61 mm (2.4 in) of precipitation over about 11 rainy days. In contrast, October sees significantly cooler temperatures, with a minimum of 0°C (33°F), an average of 10°C (50°F), and a maximum of 17°C (62°F), accompanied by more rainfall at 70 mm (2.8 in) across approximately 13 days. Additionally, humidity levels in October are notably higher at 87%, compared to 68% in July, contributing to a much more crisp and chilly atmosphere in the fall. For a closer look at the warm summer conditions, you can explore Karlskrona weather in July.

In comparing the weather between August and October, it's clear that October experiences significantly cooler temperatures, with average highs around 17°C (62°F) compared to August's warmer averages of 28°C (83°F). The temperature range in October is much lower, with a minimum of 0°C (33°F), while August remains comfortably mild, starting at a minimum of 9°C (49°F). Although October has slightly more precipitation at 70 mm (2.8 in) over 13 days, August isn’t far behind at 67 mm (2.7 in) across 12 days. Furthermore, October's humidity is notably higher at 87%, compared to August's more moderate 73%. For those interested in August's specific conditions, more details can be found in this link: Karlskrona weather in August.

In comparing the weather between September and October, October tends to be noticeably cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 17°C (62°F), compared to September's more temperate range of 3°C (38°F) to 23°C (74°F). The average temperature also drops significantly from 14°C (58°F) in September to just 10°C (50°F) in October. Additionally, October experiences more precipitation, with around 70 mm (2.8 in) falling over 13 days, compared to 60 mm (2.3 in) over 11 days in September. Humidity levels are higher in October at 87%, while September maintains a slightly lower humidity of 81%. For more detailed information on September weather in Karlskrona, you can visit Karlskrona weather in September.

In October, temperatures in the region range from a chilly 0°C (33°F) to a mild 17°C (62°F), with an average of 10°C (50°F). The month sees considerable precipitation, totaling 70 mm (2.8 in) over 13 days, and humidity remains high at 87%. In contrast, November brings cooler conditions, with temperatures dipping lower, featuring a minimum of -5°C (24°F) and an average of 6°C (44°F). While the maximum temperature remains similar at 16°C (60°F), November experiences slightly less precipitation at 57 mm (2.2 in) across 12 days and a marginally higher humidity of 89%. For more specific details about weather conditions, you can check out Karlskrona weather in November.

October and December present contrasting weather patterns as autumn gives way to winter. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 17°C (62°F), with an average of 10°C (50°F). The month experiences a relatively high precipitation level of 70 mm (2.8 in) over about 13 days, accompanied by high humidity at 87%. In contrast, December is much colder, with temperatures dropping to a minimum of -8°C (18°F) and averaging just 3°C (38°F), peaking at 10°C (50°F). The precipitation in December is slightly lower at 69 mm (2.7 in) but occurs over more days, totaling 15. Humidity remains high at 88%, reflecting the seasonal chill. For more detailed information, you can check Karlskrona weather in December.

Compare Karlskrona's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Karlskrona

As the vibrant colors of fall settle in, October in Karlskrona brings a notable shift in weather, marked by cooler temperatures and increased humidity. Unlike the milder months of summer, October features chilly conditions with an average temperature around 10°C, making it essential to layer up when you venture outdoors. Rain is more frequent, with about two weeks of the month experiencing precipitation, totaling around 70 mm. This combination of colder air and heightened moisture creates a uniquely crisp atmosphere that sets the stage for cozy autumn days. For those looking to plan their visit or learn more, explore the details at Karlskrona Climate.