October Weather in Postojna, Slovenia

Last updated: August 27, 2025

In October, Postojna, Slovenia experiences a delightful transition into autumn, characterized by mild days and cool nights. With a maximum temperature reaching up to 23°C (73°F) and an average of 11°C (52°F), visitors can enjoy pleasant outdoor activities amidst the vibrant fall foliage. However, the month also sees a minimum dip to around 0°C (32°F), reminding us of the approaching winter. Precipitation is notable, averaging 127 mm (5.0 in) over 10 days, contributing to the lush landscape. The humidity remains high at 83%, creating a moody yet enchanting atmosphere perfect for exploring Postojna's enchanting caves and rich cultural heritage.

October Temperature in Postojna

In October, Postojna, Slovenia, experiences a delightful transition into autumn, with temperatures showcasing a gradual drop. The minimum temperature hovers around 0°C (32°F), while the average climbs to a pleasant 11°C (52°F) and peaks at a comfortable 23°C (73°F). This month serves as a gentle precursor to the chill of winter, contrasting sharply with the warmer summer months, where highs often exceeded 30°C (86°F). As the vibrant fall foliage emerges, October is perfect for outdoor adventures, allowing visitors to bask in the mild climate before winter sets in, providing an ideal backdrop for exploring Postojna's stunning landscapes and famed caves.

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

The chart illustrates October temperature patterns in Postojna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Postojna, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333741495666686959514336
Data source: Temperature data for Postojna generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Postojna

October in Postojna, Slovenia, marks a transition into autumn, accompanied by significant precipitation. With 127 mm (5.0 in) of rainfall over approximately 10 days, October maintains a steady rhythm of wet weather, echoing trends observed in previous months. Notably, this month sees a slight decrease from the 205 mm recorded in September but remains consistent with the late summer months, showing how autumn continues to sustain a pattern of moderate rainfall. As the leaves begin to fall and the air cools, October's precipitation plays a crucial role in replenishing water resources and nurturing the vibrant local ecosystem, setting the stage for the winter months ahead.

October Precipitation Trends in Postojna

The chart displays monthly precipitation patterns in Postojna, 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 Postojna, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7212897115206110130126206127177161
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Postojna

In October, Postojna, Slovenia, experiences a notable shift in humidity, with levels rising to 83%. This increase comes after the relatively lower humidity of 51% in August, creating a transitional feel as the region moves from the warmth of summer into the cooler embrace of autumn. Interestingly, October's humidity is markedly higher than the preceding months, aligning closely with the 88% recorded in January and the 89% in November, signaling the onset of a more humid period leading into winter. As the year progresses, those higher humidity levels return, underscoring a clear seasonal pattern that shapes the climate of this charming Slovenian town.

October Average Humidity in Postojna

This chart illustrates the average monthly humidity levels in Postojna, 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 Postojna 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 Postojna

October in Postojna, Slovenia, sees a moderate UV Index of 5, signaling an important shift from the preceding summer months of high exposure. With a burn time of 30 minutes, locals and visitors alike are reminded to take protective measures, especially during peak hours. The trend shows a gradual decline from the very high indices of summer, bringing a more approachable level of sun exposure as fall sets in. This makes October a perfect time for outdoor activities while still maintaining awareness of UV levels. For more detailed information, check the Postojna UV Index.

Maximum UV Index Levels in Postojna for October

The chart shows the monthly maximum UV Index (UVI) for Postojna 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 Postojna typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Postojna 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 Postojna

As you step into October in Postojna, Slovenia, you'll find a delightful transition in the weather, marked by an impressive 295 hours of sunshine. This month captures the essence of autumn, providing a gentle decline in daylight from the sun-drenched summer peak of 429 hours in July. The brightness steadily wanes as the days shorten towards winter; however, October still offers a generous amount of sunlight compared to the dark winter months, such as November and December, which only yield 222 and 211 hours respectively. Nature adorns itself in mesmerizing hues of orange and gold, making this month an ideal time for exploration and appreciation of the stunning landscapes, all while basking in the golden rays of autumn sunshine.

Monthly Sunshine Duration in Postojna: October Highlighted

The October sunshine duration represents the total number of hours Postojna 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h224h313h337h365h413h429h397h322h295h222h211h
Data source: Postojna October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Postojna During October

In Postojna, Slovenia, October brings a moderate 35% chance of sunny weather, marking a slight dip from the vibrant days of late summer and early fall. As the seasons transition, this month showcases a blend of crisp air and occasional sunshine, reminiscent of pleasant September days, which enjoy a higher 54% chance of sun. Following the sunniest months like March and June, October represents a gradual retreat into cooler, cloudier days, yet it still offers enough bright moments for outdoor enthusiasts. This balance makes it a lovely time to explore Postojna's stunning landscapes, even as the promise of sunshine becomes a bit more elusive.

Percentage of Sunny Days in October in Postojna

The chart illustrates the percentage of sunny days in Postojna 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 Postojna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%33%58%36%33%51%47%49%54%36%26%33%
Data source: Postojna October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Postojna in October

In Postojna, Slovenia, October marks the transition into shorter days, with daylight lasting around 10 hours. This dip follows a steady increase through the spring and summer months, peaking in June and July with about 15 hours of sunlight. As autumn settles in, daylight gradually diminishes, moving from 12 hours in September to the more subdued 10 hours this month. November and December will bring even shorter days, with daylight dipping to just 9 hours and 8 hours, respectively. This fluctuation highlights the region's distinct seasonal rhythms, inviting a cozy embrace of the fall atmosphere as daylight fades.

Average Daylight Hours in Postojna for October

The chart illustrates the variation in daylight duration in Postojna throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 21m11h 56m13h 33m14h 56m15h 38m15h 16m14h 2m12h 29m10h 52m9h 27m8h 43m
Data source: Postojna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Postojna

As October arrives in Postojna, Slovenia, the winds begin to pick up, with an average speed of 3.0 m/s (7 mph), marking a noticeable increase from the milder breezes of the summer months. This autumnal shift brings with it a refreshing chill, as wind speeds transition from a low of 1.8 m/s (4 mph) in June to more invigorating gusts that herald the change in seasons. While September's gentle winds settled at 2.0 m/s (5 mph), the brisk October air invites both locals and visitors to embrace the outdoors—perfect for exploring Postojna's stunning landscapes. As winter approaches, it’s fascinating to observe how wind patterns fluctuate; after October, speeds tend to moderate, with November registering 2.6 m/s (6 mph), reflecting a gradual descent into the colder months.

Average October Wind Speed in Postojna

The chart displays monthly wind speed patterns in Postojna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.92.32.52.51.82.12.12.03.0 m/s2.62.0
Data source: Postojna October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Postojna Compares to Other Months

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

October and January present stark contrasts in weather conditions. In October, temperatures range from a minimum of 0°C (32°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (52°F). The month experiences significant rainfall, totaling 127 mm (5.0 in) over about 10 days, and humidity levels hover around 83%. In contrast, January is much colder, with temperatures dropping to a minimum of -14°C (7°F) and peaking at just 11°C (52°F), averaging 0°C (33°F). Precipitation is lower in January at 72 mm (2.8 in) over 8 days, and humidity rises slightly to 88%. For more detailed insights about January weather, you can visit Postojna weather in January.

October and February exhibit contrasting weather profiles, reflective of their seasonal differences. In October, temperatures range from a chilly 0°C (32°F) to a comfortable 23°C (73°F), with an average of 11°C (52°F). This month typically sees 127 mm (5.0 in) of precipitation over about 10 days and maintains a high humidity level of 83%. In comparison, February is significantly colder, with minimum temperatures plunging to -12°C (10°F) and an average of only 3°C (38°F). While the maximum temperature reaches up to 19°C (67°F), February also receives a similar amount of precipitation at 128 mm (5.0 in) spread over 10 days, with humidity slightly lower at 82%. For a more detailed look at February weather, check out Postojna weather in February.

October and March present distinctly different weather patterns. In October, temperatures range from a minimum of 0°C (32°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (52°F). The month experiences higher precipitation at 127 mm (5.0 in) across approximately 10 days, accompanied by relatively high humidity at 83%. In contrast, March is generally colder, with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 21°C (70°F) and an average of 5°C (42°F). While March sees less rainfall at 97 mm (3.8 in) over 11 days, the humidity remains lower at 73%. For more specific insights into the weather in March, you can visit Postojna weather in March.

In comparing the weather in October and April, October generally presents milder temperatures with an average of 11°C (52°F), while April showcases a broader range, with lows of -10°C (14°F) and highs reaching 25°C (78°F). Although October experiences slightly more precipitation at 127 mm (5.0 in) over about 10 days, April isn't far behind with 115 mm (4.5 in) across 12 days of rain. Additionally, October's humidity is higher at 83%, compared to April's 73%, giving October a more damp feel. For detailed insights about the weather in April, you can check Postojna weather in April.

When comparing October and May weather, one can notice distinct differences in temperature and precipitation. October typically experiences cooler averages, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), while May sees slightly warmer temperatures, from a minimum of 1°C (34°F) to a maximum of 26°C (79°F). Additionally, October has higher humidity at 83%, compared to May's more moderate 70%. Precipitation is another factor where May stands out, with 206 mm (8.1 in) of rain over 20 days, making it a wetter month than October, which receives 127 mm (5.0 in) over 10 days. For a detailed look at May weather in Postojna, check out Postojna weather in May.

October and June present contrasting weather patterns. In October, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (52°F). This month also experiences more significant rainfall, with about 127 mm (5.0 in) over 10 days, accompanied by high humidity at 83%. In contrast, June boasts warmer temperatures, with a minimum of 6°C (44°F) and a maximum reaching up to 35°C (95°F), leading to an average of 19°C (67°F). Although it sees slightly less precipitation at 110 mm (4.3 in) over 12 days, the humidity is lower at 69%. For more details about June weather, check out Postojna weather in June.

When comparing the weather in October to that of July, significant differences can be observed. October brings cooler temperatures, with a minimum of 0°C (32°F), an average of 11°C (52°F), and a maximum of 23°C (73°F). In contrast, July experiences milder conditions, featuring a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum of 33°C (91°F). Additionally, October sees higher humidity levels at 83% compared to July's 63%, contributing to a different overall feel. Precipitation is quite similar, with October receiving 127 mm (5.0 in) over approximately 10 days and July slightly higher at 130 mm (5.1 in) across 14 days. For more detailed information, you can visit Postojna weather in July.

When comparing the weather in October and August, notable differences emerge in temperature and humidity levels. October experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 11°C (52°F), while August maintains warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (93°F). The humidity in October is significantly higher at 83%, creating a more damp atmosphere compared to August’s 51%. Precipitation is somewhat similar, with October receiving 127 mm (5.0 in) over 10 days and August recording 126 mm (5.0 in) over 13 days. For more detailed information, you can check Postojna weather in August.

In comparing the weather of October and September, October presents a noticeable drop in temperatures, with an average of 11°C (52°F) compared to September's warmer average of 15°C (60°F). Additionally, while October sees a maximum temperature of 23°C (73°F), September can reach up to 28°C (83°F). The precipitation also differs, with October experiencing 127 mm (5.0 in) over 10 days, which is less than September's 205 mm (8.1 in) over 13 days. Furthermore, October's humidity is considerably higher at 83%, in contrast to September's more comfortable 64%. For more details on September weather patterns, you can visit Postojna weather in September.

In comparing the weather between October and November, it's evident that November tends to be colder and wetter. While October offers milder temperatures with an average of 11°C (52°F) and highs reaching up to 23°C (73°F), November sees a drop in the average temperature to 6°C (43°F), with lows plummeting to -9°C (16°F). Additionally, November is characterized by increased precipitation, totaling 176 mm (6.9 in) over 12 days, compared to October's 127 mm (5.0 in) across 10 days. The humidity also rises slightly from 83% in October to 89% in November. For more detailed insights, check out Postojna weather in November.

October and December present contrasting weather patterns, reflecting the transition from autumn to winter. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), with an average of 11°C (52°F) and relatively high humidity at 83%. Precipitation is moderate, with 127 mm (5.0 in) over approximately 10 days. By contrast, December brings colder conditions, with temperatures dipping significantly, ranging from a minimum of -13°C (9°F) to a maximum of 13°C (56°F), and an average of just 2°C (36°F). The month experiences slightly heavier precipitation at 161 mm (6.3 in) over 11 days and a higher humidity level of 88%. For more details about the December weather, you can visit Postojna weather in December.

Compare Postojna's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Postojna

As October unfolds in Postojna, it presents a unique transition from the vibrant warmth of summer to the crisp embrace of autumn. This month typically experiences cooler temperatures, where warm days give way to chilly nights, setting a stark contrast against the balmy weather of previous months. With an average humidity of 83% and nearly a third of the month seeing rain, October is characterized by its refreshing drizzles and enveloping mist. The beauty of the changing foliage, combined with the increased precipitation, creates a mood of introspection and calm, inviting visitors to explore the stunning landscapes. For a deeper understanding of what to expect throughout the year, check out Postojna Climate.