Last updated: August 27, 2025
In August, Postojna, Slovenia, experiences a captivating range of temperatures, with maximums soaring to 34°C (93°F) and a pleasant average of 20°C (69°F). The climate showcases a noticeable contrast, dipping to a comfortable minimum of 9°C (48°F) during cooler nights. Although the month brings about 126 mm (5.0 in) of precipitation over approximately 13 days, the 51% humidity adds to the lush, invigorating atmosphere. Visitors can expect a mix of sun-soaked days and refreshing rain, making August an enchanting time to explore the natural beauty of this charming Slovenian town.
In August, Postojna, Slovenia, enjoys warm and inviting temperatures, with daily averages reaching around 20°C (69°F). The month starts with pleasant minimums of 9°C (48°F), rising to daytime highs of 34°C (93°F), offering a perfect backdrop for outdoor adventures. This warm trend continues from July and signals a significant increase compared to the cooler months earlier in the year. With sunshine and mild evenings, August provides an ideal climate for visitors to explore the area's famed caves and picturesque landscapes, marking it as one of the most favorable times to experience the charm of Postojna.
In August, Postojna, Slovenia, experiences notable precipitation, with 126 mm (5.0 in) of rain spread over about 13 days. This amount is slightly less than the preceding month of July, which recorded 130 mm, yet it reflects a continued trend of significant rainfall typical of the summer months. As the region transitions from the heat of summer to the rainy season, August maintains a robust level of precipitation, closely tying it to the preceding months of May and June, which observed even higher totals. This consistent rainfall not only nurtures the lush landscapes of Postojna but also sets the stage for the wetter fall months ahead, with September often bringing even more rain. The data highlights how Postojna's climate is characterized by a rhythm of wet and dry spells, emphasizing the importance of understanding these trends for local agriculture and daily life.
In Postojna, Slovenia, August marks a notable shift in humidity levels, dipping to 51%, the lowest point of the year. This decline follows a gradual decrease from 88% in January to 63% in July, highlighting the transition into the warm summer months. As the season peaks, the air becomes significantly drier, offering a refreshing change from the dampness of early winter and spring. However, this is short-lived, as humidity starts to rise again in September, climbing to 64%. The overall trend throughout the year showcases a clear cycle, where the summer months provide a respite from the typically high humidity levels, only for the moisture to return with the onset of autumn.
In Postojna, Slovenia, the UV Index in August remains remarkably high at 8, falling into the very high exposure category, which means outdoor enthusiasts should be especially cautious. After a peak in July with the same UV Index, there’s a slight decrease, yet the recommended burn time remains a brisk 15 minutes. This trend of heightened UV exposure stretches back through the summer months, beginning with May and June, where the indices reached an impressive 8 and 9 respectively. As the summer wanes into September, a shift occurs, with the UV Index dropping to 7, signaling the close of the sunniest season. Staying informed about these fluctuations is essential for sun safety; for more details, check out the full Postojna UV Index.
UV Risk Categories
August in Postojna, Slovenia, shines with an impressive 397 hours of sunlight, showcasing the tail end of a vibrant summer. This month continues a trend of increasing daylight hours, peaking in July with 429 hours before gracefully tapering off into September. The steady rise from the 179 hours in January to the summer's peak illustrates a delightful progression towards longer, sun-filled days. As summer yields to the gentle transitions of autumn, August's sun remains a cherished highlight, reminding visitors and locals alike of the beauty that summer brings to this enchanting destination.
In Postojna, Slovenia, August enjoys a 49% chance of sunny weather, marking it as one of the brighter months of the year. Following the summer peak in July with a 47% likelihood, August holds steady, with a slight uptick in sunshine compared to the earlier summer months of June (51%) and May (33%). Interestingly, as the year progresses towards fall, the likelihood of sunny days tends to fluctuate, but August remains a desirable time for outdoor activities, nestled between the brighter summer months and the cloudier days of autumn. This trend suggests that while sunshine isn't guaranteed, visitors can still look forward to enjoying a fair share of warm, sunny moments amid Postojna's striking landscapes.
In Postojna, Slovenia, the month of August enjoys a delightful 14 hours of daylight, marking a gentle transition from the peak of summer. As the year progresses, daylight first flourishes from a mere 9 hours in January to a vibrant 15 hours in both June and July, offering an abundance of sunlight during the summer months. However, as August draws to a close, the daylight begins to wane, hinting at the arrival of autumn, with September seeing a reduction to 12 hours. This gradual ebb in daylight reflects the natural rhythm of the seasons, allowing residents and visitors alike to savor the warm summer evenings before the shorter days of fall establish themselves.
In Postojna, Slovenia, the wind in August carries a gentle reminder of summer's close, with an average speed of 2.1 m/s (5 mph), consistent with the calm breezes of July. As the warm days drift towards autumn, August's winds mirror the overall trend of stability, often fluctuating between 1.8 m/s in June and 3.0 m/s in October, hinting at the seasonal transition. With only slight variations throughout the summer months, the breeze remains soft and soothing, providing a perfect backdrop for outdoor explorations. As the year progresses towards the crisp air of November at 2.6 m/s, August stands out as a serene pause before the winds pick up intensity, symbolizing the slow shift of nature’s rhythm in this enchanting part of Slovenia.
Weather in Postojna varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Postojna, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures range from a mild 9°C (48°F) at night to a warm 34°C (93°F) during the day, with an average of 20°C (69°F). This summer month also experiences significant rainfall, totaling 126 mm (5.0 in) over approximately 13 days, coupled with a moderate humidity of 51%. In contrast, January is much colder, with temperatures dipping as low as -14°C (7°F) and averaging around 0°C (33°F), peaking at only 11°C (52°F). Precipitation is lighter in January, totaling 72 mm (2.8 in) over 8 days, but the humidity is noticeably higher at 88%. For a deeper look at January conditions, you can refer to Postojna weather in January.
August and February in Postojna present a stark contrast in weather conditions. In August, temperatures range from a cool 9°C (48°F) at night to a warm 34°C (93°F) during the day, averaging around 20°C (69°F). Despite experiencing some rainfall with 126 mm (5.0 in) over 13 days, the humidity remains relatively comfortable at 51%. In contrast, February brings much colder temperatures, with a minimum of -12°C (10°F) and a maximum of 19°C (67°F), resulting in an average of just 3°C (38°F). While the precipitation is slightly higher at 128 mm (5.0 in), it is spread over fewer days—only 10. Additionally, February tends to be much more humid, with levels reaching 82%. For more detailed insights, you can check Postojna weather in February.
When comparing the weather in August and March, it's clear that these two months offer starkly different climates. August typically showcases warmer temperatures, with a minimum of 9°C (48°F) and an average of 20°C (69°F), peaking at a maximum of 34°C (93°F). In contrast, March starts off much cooler, with temperatures ranging from a chilly -17°C (2°F) to a mild maximum of 21°C (70°F), averaging around 5°C (42°F). While August experiences 126 mm (5.0 inches) of precipitation over 13 days, March has slightly less rainfall at 97 mm (3.8 inches) over 11 days, although it is accompanied by higher humidity at 73%. For more details on March weather, check out Postojna weather in March.
August and April present contrasting weather patterns. August boasts warmer temperatures, with averages around 20°C (69°F) and highs reaching up to 34°C (93°F), while April's temperatures are noticeably cooler, averaging 10°C (50°F) and peaking at 25°C (78°F). Precipitation is somewhat similar in both months; August experiences 126 mm (5.0 in) over 13 days, while April sees slightly less at 115 mm (4.5 in) across 12 days. Humidity levels are also different, with April being more humid at 73% compared to August’s 51%. For a closer look at April's weather specifics, you can visit Postojna weather in April.
When comparing the weather in August and May, notable differences emerge in temperature and precipitation. August typically enjoys warmer temperatures, with a minimum of 9°C (48°F), an average of 20°C (69°F), and a maximum of 34°C (93°F). In contrast, May has cooler temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F) and an average of 14°C (57°F). Precipitation is higher in May, totaling 206 mm (8.1 in) over 20 days, compared to August's 126 mm (5.0 in) over 13 days. Additionally, May experiences higher humidity levels at 70%, while August's humidity stands at 51%. For more details, you can visit Postojna weather in May.
When comparing the weather in August and June, it's clear there are some notable differences. August generally offers warmer temperatures, with an average of 20°C (69°F) compared to June's 19°C (67°F). However, June spikes up to a maximum of 35°C (95°F), which is slightly higher than August's maximum of 34°C (93°F). Precipitation levels are fairly close, with August experiencing 126 mm (5.0 in) over 13 days, only a bit more than June's 110 mm (4.3 in) over 12 days. One significant distinction is the humidity, which is higher in June at 69%, compared to 51% in August. For a detailed overview of June weather, you can check out Postojna weather in June.
When comparing the weather in August to that of July, we see some notable similarities and differences. Both months experience a minimum temperature of 9°C (48°F) and an average temperature of around 20°C; however, August boasts a slightly higher maximum temperature of 34°C (93°F) compared to 33°C (91°F) in July. Precipitation levels are quite similar as well, with August recording 126 mm (5.0 in) over 13 days and July having 130 mm (5.1 in) over 14 days. It's also worth noting that humidity is lower in August at 51%, while July experiences a higher humidity level of 63%. For more detailed information on July weather, you can refer to Postojna weather in July.
August and September present a notable transition in weather conditions. In August, temperatures enjoy a warmer range with minimums around 9°C (48°F) and maximums peaking at 34°C (93°F), while September cools down significantly, with minimums dropping to 2°C (36°F) and maximums reaching only 28°C (83°F). Additionally, September experiences increased precipitation of 205 mm (8.1 in) compared to August's 126 mm (5.0 in), despite both months having rainfall spread over 13 days. Humidity levels also rise from 51% in August to 64% in September, contributing to a cooler, more humid atmosphere. For more specific details on September weather, you can refer to Postojna weather in September.
August and October present a notable contrast in weather patterns. In August, temperatures can range from a mild 9°C (48°F) at night to a sizzling maximum of 34°C (93°F) during the day, with an average temperature of 20°C (69°F). The month sees a moderate amount of rainfall, totaling 126 mm (5.0 in) over 13 days, accompanied by a relatively low humidity of 51%.
In contrast, October experiences a shift towards cooler temperatures, with nighttime lows dropping to 0°C (32°F) and daytime highs reaching a maximum of 23°C (73°F); the average temperature falls to 11°C (52°F). Precipitation remains similar at 127 mm (5.0 in), but falls over fewer days—just 10 days. Additionally, humidity rises significantly to 83%, contributing to a more refreshing but damp atmosphere. For more insights, you can check Postojna weather in October.
August and November present stark contrasts in weather conditions. August boasts warmer temperatures, with a minimum of 9°C (48°F) and an average of 20°C (69°F), while highs can reach up to 34°C (93°F). The month experiences moderate rainfall of 126 mm (5.0 in) over 13 days, contributing to a humidity level of 51%. In contrast, November brings much cooler weather, with temperatures ranging from a chilly -9°C (16°F) at night to a maximum of 18°C (65°F) during the day, averaging just 6°C (43°F). This month is also wetter, with precipitation totaling 176 mm (6.9 in) across 12 days and significantly higher humidity at 89%. For more insights into the weather conditions during this month, visit Postojna weather in November.
August and December present stark contrasts in weather patterns. In August, temperatures range from a cool 9°C (48°F) at night to a warm 34°C (93°F) during the day, with an average around 20°C (69°F). The month experiences about 126 mm (5.0 in) of precipitation over 13 days, alongside a comfortable humidity level of 51%. In contrast, December brings a chillier climate, where temperatures drop significantly, with minimums plummeting to -13°C (9°F) and maximums only reaching 13°C (56°F), averaging just 2°C (36°F). This month sees increased precipitation at 161 mm (6.3 in) spread over 11 days, coupled with a higher humidity level of 88%. Such differences highlight the seasonal shift from the warmth of summer to the cold of winter. For a more detailed perspective on December weather, visit Postojna weather in December.
August in Postojna showcases a unique blend of warmth and moisture, setting it apart from other months. With temperatures reaching their peak, the days can be quite hot, inviting outdoor adventures, while the nights provide a refreshing coolness. The month also experiences notable precipitation, making it one of the wetter periods of the year, with seemingly frequent showers punctuating the summer heat. The average humidity of 51% adds a touch of stickiness to the air, enhancing the vibrant, lush landscape characteristic of this time. For those looking to understand Postojna's weather patterns more deeply, visit Postojna Climate for comprehensive insights.