Last updated: August 27, 2025
In July, Postojna, Slovenia experiences an inviting summer climate characterized by a maximum temperature reaching up to 33°C (91°F) and an average temperature of 20°C (68°F). While the warm days offer plenty of sunshine, the nights can be cool, with a minimum temperature dipping to 9°C (48°F). This vibrant month sees approximately 130 mm (5.1 in) of rainfall spread over 14 days, contributing to the region's lush greenery. With an average humidity level of 63%, July provides a perfect blend of warmth and refreshment, making it an appealing time to explore the natural wonders of Postojna.
In July, Postojna, Slovenia, basks in the warmth of summer, characterized by a pleasant range of temperatures. The minimum temperature settles at a mild 9°C (48°F), while the average rises to a comfortable 20°C (68°F). With a peak maximum of 33°C (91°F), July showcases a significant warmth compared to the cooler months that precede it, especially when contrasted with the frosty highs noted during winter. These warmer conditions are further amplified as the region transitions from the spring's gentle touch to the vibrancy of summer, offering ideal weather for outdoor exploration and the captivating natural wonders of Postojna. This month marks a delightful peak in temperature, underscoring the region's dramatic seasonal shifts while inviting visitors to enjoy its scenic beauty under the summer sun.
In Postojna, Slovenia, July marks a pivotal point in the yearly precipitation pattern, receiving an average of 130 mm (5.1 in) of rainfall over 14 days. This figure highlights a moderate increase from June's 110 mm (4.3 in), suggesting a shift towards a wetter summer. The rainfall in July typically supports the lush greenery that characterizes the region, making it a vibrant and lively month. Following July, August sees a slight dip to 126 mm (5.0 in), indicating a transition as summer gradually gives way to the autumn rains that spike again in September. Overall, the month serves as a bridge between the warmer season and the impending onset of fall, with rainfall providing essential moisture for the landscape's flourishing ecosystems.
In July, Postojna, Slovenia experiences a noticeable dip in humidity, with levels averaging at 63%. This marks a significant decrease from the earlier months of the year, where humidity hovered above 70%. Following a gradual decline from June’s 69%, July’s comfortable conditions pave the way for a more enjoyable summer experience. The trend continues into August, when humidity further drops to 51%, indicating a shift toward drier air as the hot summer months progress. This seasonal fluctuation highlights how Postojna's climate not only welcomes summer warmth but also encourages outdoor activities under clearer skies.
In July, Postojna experiences a very high UV Index of 9, maintaining the intense levels seen in June. With a burn time of just 15 minutes, the need for sun protection is crucial during this peak summer month. This trend of increasing UV exposure started in April, where the index notably rose from moderate to high levels, peaking at very high ratings in both July and August. With the sun's intensity on the rise, it's wise for residents and visitors to stay vigilant about sun safety practices throughout the summer months. For more detailed insights on UV levels in the area, check out the comprehensive guide at Postojna UV Index.
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In Postojna, Slovenia, the month of July truly shines with an impressive 429 hours of sunshine, marking the peak of the year. This abundance of sunlight comes after a steady climb from January's modest 179 hours, showcasing a vibrant progression as spring blooms into summer. Each month builds momentum, with June's 413 hours acting as a precursor to July's brilliance. Following July, the sun begins to retreat, with August still enjoying a generous 397 hours, but hinting at the slower days ahead. This trend reflects a glowing summer finale, making July a delightful and radiant celebration of sunlight in Postojna.
In Postojna, Slovenia, July offers a 47% chance of sunny weather, making it one of the more favorable months for those seeking sunshine. While the warm summer months see an increase in sun probability compared to earlier in the year—most notably a significant rise from 22% in January to 51% in June—July’s sun likelihood sits slightly below that of August at 49%. This pattern suggests a slight dip in sunshine as summer progresses, with the trend indicating that the highest chances of sun are found not only in the high summer months but also significantly in the early fall, as September boasts a 54% chance of sunny days. Visitors can expect a mix of sun and clouds throughout July, providing a delightful summer atmosphere for outdoor adventures.
In Postojna, Slovenia, the month of July basks in 15 hours of daylight, marking the peak of summer's luminosity. This extended daylight allows for vibrant outdoor activities and exploration of the area's stunning natural beauty. Following a steady increase from 9 hours in January to June’s 15 hours, July maintains this sunlit abundance before gradually tapering off into August's 14 hours. As the year progresses, daylight diminishes, making summer’s long evenings even more precious. This pattern highlights the contrast between the sun-drenched days of summer and the shorter, cozier days of winter, with daylight durations swinging dramatically with the seasons.
In July, the winds in Postojna, Slovenia display a gentle yet consistent character, with an average speed of 2.1 m/s (5 mph). This slight uptick from June's calmness, marked by just 1.8 m/s (4 mph), suggests a shift toward a more dynamic atmosphere as summer progresses. Although the wind speeds are moderate compared to earlier months, they remain stable, which reflects a trend of mild air movement typical for this time of year. As temperatures rise and outdoor activities flourish, the steady breeze in July offers a refreshing respite, enhancing the charm of this enchanting Slovenian landscape.
Weather in Postojna varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Postojna, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in July and January presents a striking contrast. In July, temperatures range from a mild 9°C (48°F) at night to a warm 33°C (91°F) during the day, with an average of 20°C (68°F). This month experiences significant rainfall, accumulating around 130 mm (5.1 in) over 14 days, coupled with a humidity level of 63%. In stark contrast, January brings much colder conditions, with temperatures dipping to a minimum of -14°C (7°F) and peaking at just 11°C (52°F), averaging around 0°C (33°F). Precipitation is less frequent, totaling 72 mm (2.8 in) over 8 days, but humidity is notably higher at 88%. For more insights on winter weather, you can visit Postojna weather in January.
In contrasting the weather conditions of July and February, we observe a remarkable difference in temperatures. July boasts a minimum temperature of 9°C (48°F) and peaks at a scorching 33°C (91°F), averaging around 20°C (68°F). In stark contrast, February experiences a much chillier climate, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 19°C (67°F) and an average of just 3°C (38°F). Precipitation levels in July reach 130 mm (5.1 in) over approximately 14 days, while February sees slightly lower precipitation at 128 mm (5.0 in) across 10 days, albeit with a higher average humidity of 82% compared to July's 63%. For more insights on February weather in the region, visit Postojna weather in February.
In comparing the weather between July and March, one can observe notable differences in temperature and overall conditions. July is characterized by much warmer temperatures, with averages around 20°C (68°F) and highs reaching up to 33°C (91°F). In contrast, March experiences significantly lower temperatures, averaging only 5°C (42°F) and peaking at a maximum of 21°C (70°F). Additionally, July sees more precipitation, totaling about 130 mm (5.1 in) over 14 days, while March records slightly less at 97 mm (3.8 in) over 11 days. Humidity levels are also noteworthy, with July at 63% and March slightly higher at 73%. For more detailed insights into March weather, you can visit Postojna weather in March.
July and April present strikingly different weather patterns. In July, temperatures range from a minimum of 9°C (48°F) to an average of 20°C (68°F), peaking at a maximum of 33°C (91°F). This month is typically warmer and more humid, with 63% humidity and about 130 mm (5.1 in) of precipitation spread over 14 days. In contrast, April experiences cooler temperatures, boasting a minimum of -10°C (14°F), an average of 10°C (50°F), and a maximum of 25°C (78°F). The precipitation is slightly lower at 115 mm (4.5 in), occurring over 12 days, with a higher humidity level of 73%. For more detailed insights, you can check Postojna weather in April.
When comparing the weather in July and May, one can observe significant differences. July typically boasts a minimum temperature of 9°C (48°F) and an average of 20°C (68°F), peaking at a warm 33°C (91°F). In contrast, May experiences cooler conditions with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 26°C (79°F). Precipitation is also noteworthy; July receives about 130 mm (5.1 in) of rainfall over 14 days, whereas May is wetter, with 206 mm (8.1 in) spread across 20 days. Furthermore, humidity levels are slightly higher in May at 70%, compared to July's 63%. For more detailed information, you can check this link: Postojna weather in May.
In comparing the weather patterns of July and June, we can see notable differences. July experiences slightly warmer temperatures with a minimum of 9°C (48°F), an average of 20°C (68°F), and a maximum of 33°C (91°F). In contrast, June has a lower minimum temperature of 6°C (44°F) and an average temperature of 19°C (67°F), but it can reach a maximum of 35°C (95°F). Precipitation levels are also higher in July, with 130 mm (5.1 in) recorded over 14 days, compared to June's 110 mm (4.3 in) over 12 days. Humidity in July averages 63%, which is slightly lower than June's 69%. For more detailed insight into the weather in June, you can check Postojna weather in June.
In July, temperatures typically range from a minimum of 9°C (48°F) to a maximum of 33°C (91°F), with an average temperature of 20°C (68°F). The month sees considerable precipitation, with about 130 mm (5.1 in) over 14 days and humidity levels at 63%. In contrast, August experiences slightly warmer temperatures, reaching up to 34°C (93°F) while maintaining a similar minimum and average. Precipitation decreases slightly to 126 mm (5.0 in) over 13 days, and humidity stands at a lower 51%. For more detailed information, check out Postojna weather in August.
In July, the weather is generally warmer, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (91°F) and an average of 20°C (68°F). This month experiences 130 mm (5.1 in) of precipitation over 14 days, coupled with a humidity level of 63%. In contrast, September tends to be cooler, featuring temperatures that range from a minimum of 2°C (36°F) to a maximum of 28°C (83°F) and an average of 15°C (60°F). The month sees a higher precipitation level of 205 mm (8.1 in) spread across 13 days, alongside a slightly higher humidity of 64%. For more detailed insights, you can check Postojna weather in September.
July and October present a stark contrast in weather conditions. July boasts warmer temperatures, with averages around 20°C (68°F) and maximums reaching up to 33°C (91°F), while October cools down significantly, offering an average of just 11°C (52°F) and maximums of 23°C (73°F). In terms of precipitation, both months see comparable rainfall, with July receiving slightly more at 130 mm (5.1 in) over 14 days, compared to October's 127 mm (5.0 in) over 10 days. Additionally, October experiences higher humidity levels at 83%, in contrast to July’s 63%. For more detailed insights on October weather, visit Postojna weather in October.
July and November present stark contrasts in weather. In July, temperatures range from a comfortable minimum of 9°C (48°F) to a warm maximum of 33°C (91°F), with an average of 20°C (68°F). The month experiences significant rainfall, totaling 130 mm (5.1 in) over 14 days, coupled with a moderate humidity level of 63%. In contrast, November sees much cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 18°C (65°F), averaging just 6°C (43°F). Rainfall increases to 176 mm (6.9 in) over 12 days, accompanied by higher humidity at 89%. These differences highlight the transition from the warm, humid days of summer to the cold, damp conditions of late autumn. For more specific details, you can check Postojna weather in November.
July and December present stark contrasts in weather patterns. In July, temperatures range from a mild minimum of 9°C (48°F) to a warm maximum of 33°C (91°F), with an average of 20°C (68°F). The month sees around 130 mm (5.1 in) of precipitation over approximately 14 days, coupled with a humidity level of 63%, creating a typically warm and somewhat humid summer atmosphere. In contrast, December experiences much colder temperatures, with a minimum of -13°C (9°F) and a maximum of 13°C (56°F), resulting in an average temperature of only 2°C (36°F). This month also has slightly higher precipitation at 161 mm (6.3 in) over 11 days, accompanied by a higher humidity of 88%, contributing to a damp and chilly winter climate. For more specific insights into the December weather, you can check Postojna weather in December.
In July, Postojna basks in warm temperatures that set it apart from the cooler months, with maximum highs reaching around 33°C (91°F) and a pleasant average of 20°C (68°F). While the summer sun shines brightly, visitors should brace for occasional rain, as the month sees about 130 mm of precipitation over roughly two weeks. This blend of warmth and humidity, averaging 63%, creates an inviting atmosphere for exploration and outdoor activities. For those curious about the year-round weather patterns, detailed insights can be found at Postojna Climate.