October Weather in , Slovenia

Last updated: August 27, 2025

In October, Slovenia experiences a delightful transition, with maximum temperatures reaching 23°C (74°F) and an average of 15°C (59°F). As autumn unfolds, the landscape is often adorned in vibrant hues, though it also brings a touch of wetness, with 107 mm (4.2 in) of precipitation spread over approximately 10 days. Humidity levels hover around a comfortable 83%, creating a brisk yet refreshing atmosphere ideal for exploring scenic vistas. Whether you're hiking through the stunning countryside or enjoying picturesque towns, October in Slovenia is a perfect blend of mild temperatures and enchanting autumn scenery.

October Temperature in

In October, Slovenia experiences a delightful transition into autumn, with temperatures that invite both exploration and relaxation. The month begins with a minimum of around 6°C (44°F), which gradually rises to a pleasant average of 15°C (59°F), peaking at a comfortable 23°C (74°F). This marks a distinct shift from the warmer summer months, where July and August saw highs consistently near 33°C (91°F), and even September retained some summer warmth with an average of 20°C (68°F). As the vibrant autumn foliage begins to paint the landscape, the crisp air becomes ideal for outdoor adventures like hiking and sightseeing. Overall, October offers a balanced blend of cooling temperatures and scenic beauty, making it a charming time to visit Slovenia.

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

The chart illustrates October temperature patterns in , showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In , 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).
JanFebMarAprMayJunJulAugSepOctNovDec404448556272757668595144
Data source: Temperature data for 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

In October, Slovenia experiences a significant transition in weather as it shifts deeper into autumn. With 107 mm (4.2 inches) of precipitation over 10 days, the month sees a notable drop compared to the wet September, which recorded 164 mm (6.4 inches). This decrease in precipitation aligns with a general trend of diminishing rainfall as the year progresses towards winter, with November expected to ramp up to 176 mm (6.9 inches). October's rainfall supports the changing colors of the landscape, providing a cozy backdrop for the crisp fall air, while maintaining a steady pattern of rain that characterizes much of Slovenia's autumn. The balance of moisture is essential for preparing the environment for the colder months ahead.

October Precipitation Trends in

The chart displays monthly precipitation patterns in , 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 , October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5611872103142876570164107176150
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in

As October arrives in Slovenia, the humidity level rises significantly to 83%, reflecting a pattern of increased moisture that precedes the winter months. Following a summer dip, where humidity plummeted to a comfortable 51% in August, the trend showcases a gradual bounce back through September, which recorded a 64% humidity. This increase marks a transition towards the wetter, chillier seasons ahead, as humidity peaks again in November at 89%—a stark contrast to the drier summer months. Overall, October serves as a reminder of nature's cycle, seamlessly bridging the warmth of summer with the onset of winter's embrace.

October Average Humidity in

This chart illustrates the average monthly humidity levels in , 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 is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in

As October rolls into Slovenia, outdoor enthusiasts can expect a moderate UV Index of 5, signaling a shift from the very high ratings of the summer months. With a burn time of approximately 30 minutes, it’s crucial to stay aware of sun exposure, particularly during midday. This change in the UV Index reflects the retreat of summer intensity, yet still calls for responsible sun safety practices. As the days grow shorter and the sun dips lower in the sky, remember to protect your skin, especially if you’re enjoying the beautiful autumn landscapes. For more details, check out the UV Index.

Maximum UV Index Levels in for October

The chart shows the monthly maximum UV Index (UVI) for 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 typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: 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

In October, Slovenia enjoys a delightful transition as the days begin to shorten, providing visitors with a beautiful backdrop of autumn foliage and a generous 293 hours of sunshine. While this marks a decline from the sun-drenched peak of summer in July, when the country basked in 430 hours of sunlight, October still stands out with more sun than the chilly months that follow. As the year progresses to November and December, the sunlight wanes further, dipping to 229 and 207 hours, respectively. The trend reveals a steady decrease in daylight hours, urging travelers to savor the crisp autumn days before the winter settles in, when Slovenia's natural beauty shines in a different yet equally captivating light.

Monthly Sunshine Duration in : October Highlighted

The October sunshine duration represents the total number of hours 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h223h315h344h372h417h430h397h326h293h229h207h
Data source: October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in During October

October in Slovenia brings a 50% chance of sunny weather, making it a balanced month for sunshine seekers. As the year transitions from the warm embrace of summer to the cooler climes of autumn, October maintains a moderate likelihood of sunshine, similar to the preceding months of September and August, which boast higher percentages of sunny days. Notably, the chance of sun in October is a significant uptick compared to the winter months, where figures dip as low as 32% in January. This leaves you with ample opportunity to enjoy the stunning fall foliage under the crisp blue skies of Slovenia before winter sets in.

Percentage of Sunny Days in October in

The chart illustrates the percentage of sunny days in 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 experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%41%63%44%40%55%51%61%59%50%37%38%
Data source: October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in in October

As autumn settles in Slovenia, October marks a noticeable shift in daylight hours, with the sun gracing the sky for just 10 hours each day. This decline follows the vibrant months of summer, where daylight peaked at 15 hours in June and July. As the days shorten, the transition from the long, sunlit days of May and June to the cooler, darker months of late fall becomes evident. The pattern highlights a gradual descent from a lively 14 hours in May to a more subdued 10 hours this month, creating a cozy atmosphere that invites introspection and the beauty of autumn foliage. This trend continues into November, where daylight further wanes to just 9 hours, signaling the approach of winter and the seasonal embrace of shorter days.

Average Daylight Hours in for October

The chart illustrates the variation in daylight duration in throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 22m11h 56m13h 32m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in

As October arrives in Slovenia, the wind begins to pick up, reaching an average speed of 3.6 m/s (8 mph)—the highest of the year. This seasonal shift marks a definitive transition from the milder, calmer breezes of summer, where average speeds lingered around 2.5 to 3.2 m/s (6 to 7 mph). As autumn settles in, the winds gain strength, coinciding with the arrival of cooler temperatures and the vibrant hues of fall foliage. The trend continues into November, where the wind slightly intensifies again, averaging 3.7 m/s (8 mph). The invigorating gusts not only announce the change in weather but also usher in a sense of renewal, inviting outdoor explorers to embrace the crisp air and stunning landscapes of Slovenia in this captivating season.

Average October Wind Speed in

The chart displays monthly wind speed patterns in , 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.82.63.03.22.22.52.82.43.6 m/s3.72.3
Data source: October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Compares to Other Months

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

October and January present quite contrasting weather conditions. In October, temperatures range from a mild 6°C (44°F) at night to a warm 23°C (74°F) during the day, averaging around 15°C (59°F). This month experiences substantial rainfall, with about 107 mm (4.2 in) over approximately 10 days, and humidity levels averaging 83%. In stark contrast, January sees much colder temperatures, with a minimum of -7°C (20°F) and a maximum of 13°C (56°F), averaging just 5°C (41°F). Precipitation is lower at 56 mm (2.2 in) across 7 days, and humidity slightly increases to 88%. For more details, you can check the weather in January.

October and February present contrasting weather patterns that reflect the transition from autumn to late winter. In October, temperatures range from a mild 6°C (44°F) at night to a warm 23°C (74°F) during the day, while February experiences chillier temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (67°F). Both months see similar levels of precipitation, with October receiving 107 mm (4.2 in) and February slightly higher at 118 mm (4.6 in), each averaging rain on about 10 days. Despite the comparable humidity levels—83% in October and 82% in February—October typically feels warmer and more vibrant, while February tends to be colder and can feel quite stark. For more detailed information, check out the weather in February.

October and March present distinct weather patterns that highlight the transition between seasons. In October, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average of 15°C (59°F). The month is also characterized by higher humidity at 83% and more frequent rainfall, totaling 107 mm (4.2 in) over approximately 10 days. Conversely, March showcases cooler temperatures, with a range from -7°C (20°F) to 21°C (70°F) and an average of 9°C (48°F). The precipitation is relatively lower at 71 mm (2.8 in) over about 8 days, alongside a lower humidity level of 73%. For more detailed insights, check out the weather in March.

In comparing the weather of October and April, October generally presents a milder temperature range with average highs of 15°C (59°F) and lows around 6°C (44°F), while April can be cooler during the nights with minimum temperatures dropping to 1°C (34°F). Both months experience similar precipitation levels, with October receiving 107 mm (4.2 in) and April slightly less at 103 mm (4.0 in), both spread over roughly 10 days of rainfall. Humidity is noticeably higher in October at 83%, compared to April's 73%. For a more detailed look at April's weather, you can visit weather in April.

October's weather is marked by cooler temperatures, with an average of 15°C (59°F) and maximums reaching 23°C (74°F). The month experiences substantial precipitation, totaling 107 mm (4.2 in) over about 10 days, contributing to a higher humidity level of 83%. In contrast, May showcases warmer conditions, with temperatures averaging 17°C (63°F) and peaking at 27°C (81°F). However, it also has more rainfall, accumulating 142 mm (5.6 in) spread over 17 days, yet with a lower humidity of 70%. For more detailed information, check out the weather in May.

In October, temperatures range from a minimum of 6°C (44°F) to a maximum of 23°C (74°F), with an average of 15°C (59°F). This month experiences higher humidity at 83% and significant rainfall, with about 107 mm (4.2 in) spread over 10 days. In contrast, June boasts warmer conditions, with temperatures starting at 11°C (53°F) and peaking at 33°C (92°F), averaging around 22°C (72°F). The weather is relatively drier, with 87 mm (3.4 in) of precipitation over just 8 days, and lower humidity at 69%. For a closer look at the conditions, check out the weather in June.

When comparing the weather of October and July, there are notable differences in temperature and precipitation. October tends to be much cooler with daytime temperatures averaging around 15°C (59°F) and a maximum of 23°C (74°F), while July boasts warmer temperatures with an average of 24°C (75°F) and highs reaching 33°C (91°F). Additionally, October experiences more rainfall, with 107 mm (4.2 in) of precipitation spread over about 10 days, compared to July's 65 mm (2.6 in) over 8 days. The humidity levels are also higher in October at 83%, in contrast to July's 63%. For an in-depth look at July's weather specifics, you can explore weather in July.

October and August present contrasting weather patterns. In October, temperatures range from a chilly 6°C to a mild 23°C, with an average of 15°C, while August boasts warmer temperatures, featuring a minimum of 15°C and reaching up to 34°C, with an average of 25°C. Precipitation in October is notably higher at 107 mm over about 10 days, compared to August's 70 mm over 7 days. Additionally, humidity levels are significantly elevated in October at 83%, compared to August's more comfortable 51%. For more detailed information, check the weather in August.

In comparing the weather between September and October, it is evident that October experiences cooler temperatures, with minimums dropping to 6°C (44°F) and average highs reaching 23°C (74°F), while September maintains a warmer climate, with minimums around 9°C (49°F) and average highs soaring to 32°C (90°F). Furthermore, October sees an increase in humidity at 83%, compared to September's drier conditions at 64%. Precipitation is also notable, with October receiving 107 mm (4.2 in) over 10 days, while September has a higher total of 164 mm (6.4 in) over the same number of rainy days. For more details on the weather patterns, refer to this link: weather in September.

October and November present a notable shift in weather patterns. In October, temperatures range from a mild 6°C (44°F) to a comfortable high of 23°C (74°F), whereas November experiences cooler temperatures with a minimum of 1°C (34°F) and an average high of 20°C (68°F). Precipitation increases significantly in November, totaling 176 mm (6.9 in) over 12 days, compared to October's 107 mm (4.2 in) spread over 10 days. Additionally, humidity rises from 83% in October to 89% in November, making the latter month feel even more damp. For more detailed information, check out the weather in November.

October and December present notably different weather patterns. In October, temperatures range from a mild 6°C (44°F) at night to a comfortable 23°C (74°F) during the day, with an average temperature of 15°C (59°F). The month experiences approximately 107 mm (4.2 in) of rainfall over about 10 days, with humidity levels at 83%. In contrast, December sees temperatures drop significantly, with nighttime lows reaching -1°C (30°F) and daytime highs only reaching up to 15°C (60°F), resulting in an average temperature of 7°C (44°F). Rainfall increases to 150 mm (5.9 in) over roughly 12 days, accompanied by higher humidity of 88%. For more detailed information, you can check the weather in December.

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Conclusion: What to Expect From October Weather in

As October arrives, the weather in Koper-Capodistria transitions into a cooler embrace, marking a notable shift from the warm summer months. With an average temperature around 15°C, this month brings refreshing days interspersed with occasional rain, accumulating about 107 mm over roughly 10 days. The elevated humidity of 83% adds to the crispness in the air, creating a perfect atmosphere for cozy sweaters and warm beverages. This shift not only signifies the end of the beach season but also invites the beauty of autumn foliage to the region. To explore more about how these patterns fit into the annual climate, visit Climate.