Last updated: August 27, 2025
In August, Slovenia experiences a dynamic climate, with temperatures soaring to a maximum of 31°C (88°F) and averaging around 19°C (67°F), providing a pleasant backdrop for summer activities. However, the month is also characterized by frequent rainfall, totaling 172 mm (6.8 in) spread over 17 days, contributing to a humidity level of 68%. This blend of warmth and moisture creates an ideal environment for lush landscapes while offering diverse experiences for both locals and travelers. From sun-soaked afternoons to refreshing, rain-kissed evenings, August in Slovenia promises a vibrant mix of weather that showcases the region's natural beauty.
In August, Slovenia enjoys a delightful summer ambiance, with temperatures gradually rising from a minimum of 7°C (45°F) to a peak of 31°C (88°F). Averaging 19°C (67°F), the month showcases a vibrant warmth that encourages outdoor activities and exploration of its breathtaking landscapes. This trend marks a transition from the milder summer of July, where highs reach 30°C (87°F), while illustrating a comfortable summer peak that invites both locals and tourists to revel in Slovenia's natural beauty. As August yields to the cooler days of September, the lingering warmth serves as a perfect backdrop for enjoying the country’s idyllic scenery and rich culture before the seasons change.
In August, Slovenia experiences a notable precipitation amount of 172 mm (6.8 in), making it one of the wetter months of the year. This figure aligns closely with the previous month’s rainfall, but is slightly increased despite the number of rainy days dropping to 17. The heightening trend of precipitation from May through July culminates in August, suggesting that the late summer period remains wet and lush. As September approaches, the anticipation of even higher rainfall continues, with 189 mm (7.4 in) expected, illustrating the country's tendency towards increased precipitation as the seasons transition.
In August, Slovenia experiences a noticeable drop in humidity, reaching 68%, which marks the lowest level of the year. This shift reflects a gradual trend towards drier conditions as summer transitions into autumn, following the peak humidity levels of 91% in January and 87% in February. The humidity steadily decreased from its springtime average of around 79% in April to a more comfortable 74% in July before settling at this summer low. As August paves the way towards the wetter months ahead, with September bouncing back to 74%, this brief respite in humidity offers a pleasant climate for outdoor activities—a perfect time to explore Slovenia's scenic landscapes before the autumn rains return.
In August, Slovenia experiences a very high UV Index of 8, with a burn time of just 15 minutes. This trend follows the peak UV levels seen in June and July, where the index also reached 9. As summer unfolds, outdoor enthusiasts should take extra precautions to protect their skin from harmful UV rays. Fortunately, the UV Index begins to drop in September, signalling a shift towards high exposure levels once again. For those planning activities this month, staying informed is essential—check out the latest details on Slovenia’s UV exposure here: UV Index.
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August in Slovenia continues to bask in radiant sunshine, boasting 377 hours of golden daylight. This month, while slightly less luminous than July's peak of 409 hours, still stands out as one of the sunniest of the year. As summer draws to a close, the sunlit hours begin to taper off, transitioning into the softer light of autumn. Notably, this trend reflects an overall increase in sunshine from the earlier months, with January starting at a modest 184 hours and steadily climbing to the summer highs. September follows, bringing a significant drop to 305 hours, hinting at the gentle arrival of autumn's cooler and dimmer days. Each month in Slovenia reveals a beautiful narrative of light, inviting both locals and visitors to embrace the warmth of summer’s final days.
In August, visitors to Slovenia can expect a 43% chance of sunny weather, a notable consistency compared to the previous months. While June and July boast slightly higher probabilities of sunshine at 44% and 42% respectively, August maintains a solid outlook, offering a pleasant blend of warmth and light. This trend suggests that, as summer peaks, the likelihood of enjoying sunlit days remains relatively high, making it a favorable time for outdoor activities. As summer transitions into autumn, September continues this sunny disposition with the same 43% chance, hinting at a lingering charm of summer even as the seasons begin to shift.
In Slovenia, the progression of daylight hours exhibits a captivating seasonal rhythm, peaking in the summer and gradually retreating as autumn approaches. August sees a generous 14 hours of daylight, a slight decrease from the sun-drenched months of June and July, which bask in 15 hours. This month serves as a poignant reminder of summer's lingering warmth, while hinting at the impending transition to shorter days. Following August, the daylight begins to fade more noticeably, with September offering 12 hours. This monthly pattern underscores the natural ebb and flow of light, inviting both residents and visitors to relish the lingering summer evenings before embracing the cozy embrace of autumn.
In August, the average wind speed in Slovenia gently settles at 1.5 m/s (3 mph), echoing the calm atmosphere prevalent throughout the summer months. This figure mirrors the tranquil breezes of June and matches September’s mild conditions, suggesting a serene transition as summer gives way to autumn. Notably, the wind speeds remain relatively consistent from May through August, typically hovering around this comfortable pace. As the year progresses, a slight uptick occurs in October, with speeds reaching 1.9 m/s (4 mph), heralding the more dynamic weather patterns of fall. Overall, the August wind in Slovenia offers a perfect backdrop for leisurely outdoor activities, reinforcing the region's serene charm during late summer.
Weather in varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in , focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather. In August, temperatures range from a mild 7°C (45°F) at night to a warm average of 19°C (67°F), peaking at 31°C (88°F) during the day. The month experiences considerable precipitation, with 172 mm (6.8 in) falling over 17 days and a relative humidity of 68%. In contrast, January is characterized by much colder temperatures, with nighttime lows plummeting to -14°C (7°F) and average highs barely reaching 8°C (47°F). This winter month receives less precipitation, totaling 65 mm (2.6 in) over just 6 days, but it comes with a higher humidity level of 91%. For a more detailed look at January's weather, visit weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures vary from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), averaging around 19°C (67°F), while February experiences much colder temperatures, with a minimum of -17°C (2°F) and a maximum of 16°C (62°F), averaging only 1°C (34°F). Precipitation in August is higher, with 172 mm (6.8 in) over 17 days, compared to 122 mm (4.8 in) over just 9 days in February. Moreover, August's humidity stands at 68%, while February's humidity is notably higher at 87%, contributing to the chill in the air. For more details on February's weather, you can visit weather in February.
August and March present stark contrasts in weather. August typically enjoys warmer temperatures, with averages around 19°C (67°F) and highs reaching up to 31°C (88°F), accompanied by a relatively lower humidity of 68%. However, it also sees significant precipitation, totaling 172 mm (6.8 in) over about 17 days. In contrast, March starts off much chillier, with average temperatures of about 4°C (39°F) and a maximum of 20°C (68°F), while nights can plunge down to as low as -17°C (2°F). Although March has less precipitation than August, with 113 mm (4.5 in) over 11 days, it comes with higher humidity at 82%. For more detailed insights on March weather, check the link to the weather in March.
When comparing the weather in August and April, we notice distinct differences in temperature and humidity. August showcases a wider temperature range, with minimums around 7°C (45°F) and maximums peaking at 31°C (88°F), contributing to an average temperature of 19°C (67°F). In contrast, April's temperatures are notably cooler, with lows of -10°C (15°F) and highs reaching up to 24°C (76°F), resulting in an average of 8°C (47°F). Precipitation levels are relatively similar, with August experiencing 172 mm (6.8 in) over 17 days and April slightly less at 155 mm (6.1 in) over 14 days. Additionally, August has a lower humidity level of 68%, while April is more humid at 79%. For more detailed information, you can explore the weather in April.
August and May present quite different weather patterns, highlighting the transition from spring to summer. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). The humidity sits at 68%, making it generally warm, although it can be punctuated by rainfall, totaling 172 mm (6.8 in) over about 17 days. In contrast, May experiences cooler conditions with temperatures ranging from -1°C (31°F) to 24°C (75°F), averaging 13°C (55°F). May is also wetter, with 219 mm (8.6 in) of precipitation spread over 23 days and a higher humidity level at 74%. For a more detailed look at May’s weather, you can check weather in May. Overall, August is marked by warmth and fewer rainy days, while May tends to be cooler and wetter.
In comparing the weather between August and June, August exhibits a broader temperature range with minimums of 7°C (45°F) and maximums reaching 31°C (88°F), while June shows a slightly narrower range, with minimums of 4°C (39°F) and maximums hitting 33°C (92°F). Average temperatures are slightly higher in August at 19°C (67°F) compared to June's 18°C (64°F). Precipitation is more pronounced in August, totaling 172 mm (6.8 in) over 17 days, which exceeds June’s 143 mm (5.6 in) over the same number of days. Humidity levels are notably higher in June at 75%, compared to August's 68%. For more details about June's weather conditions, you can visit weather in June.
In comparing the weather of August and July, we see a slight increase in maximum temperatures, with August peaking at 31°C (88°F) compared to July's maximum of 30°C (87°F). However, August averages a similar minimum temperature of 7°C (45°F) compared to July's 9°C (48°F). Both months experience high humidity, but July is slightly more humid at 74%, while August maintains a humidity level of 68%. Additionally, August receives a bit more precipitation, totaling 172 mm (6.8 in) over 17 days, compared to July's 163 mm (6.4 in) over 19 days. For more details, you can check the weather in July.
August typically presents a warmer climate compared to September, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F) and an average of 19°C (67°F). In contrast, September sees cooler temperatures, with a minimum of 0°C (33°F), an average of 14°C (58°F), and a maximum of 26°C (78°F). Both months experience significant precipitation, but September is slightly wetter with 189 mm (7.4 in) over 15 days, compared to August's 172 mm (6.8 in) over 17 days. Additionally, humidity levels rise in September to 74%, compared to August's 68%. For more detailed information, check the weather in September.
August and October present contrasting weather conditions. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). This month sees significant precipitation, amounting to 172 mm (6.8 in) over 17 days while maintaining a humidity level of 68%. In contrast, October experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (71°F), averaging around 10°C (50°F). Although October has less precipitation at 143 mm (5.6 in) over 11 days, it has a higher humidity at 88%. For more detailed insights, check out the weather in October.
August and November present contrasting weather patterns. In August, temperatures typically range from a warm 19°C (67°F) on average, with highs reaching up to 31°C (88°F) and lows only dipping to 7°C (45°F). The month features considerable rainfall, totaling 172 mm (6.8 in) over about 17 days, coupled with a moderate humidity level of 68%. In stark contrast, November sees a significant drop in temperatures, with averages falling to around 5°C (41°F), peaking at a milder 16°C (62°F) and plummeting to lows of -11°C (12°F). Precipitation is slightly higher at 200 mm (7.9 in) across just 12 days, and humidity increases to a notable 90%. For more details on November's weather, check out weather in November.
August and December present contrasting weather conditions. In August, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). This month witnesses a considerable amount of rainfall, totaling 172 mm (6.8 in) over 17 days, combined with a humidity level of 68%. Conversely, December experiences a much colder climate, where temperatures drop significantly, ranging from a minimum of -14°C (8°F) to a maximum of 11°C (51°F), with an average of 0°C (32°F). Although December receives slightly more precipitation at 179 mm (7.0 in), it does so over fewer days (10), alongside a higher humidity level of 89%. For a more detailed look at December's weather, you can visit weather in December.
As summer reaches its zenith, August brings with it a blend of warmth and moisture, setting it apart from the cooler, drier months that precede and follow it. With an average temperature hovering around 19°C, August draws visitors eager to bask in the sun, even as humidity climbs to 68%, creating a lush, vibrant landscape. Although rain does make an appearance on about 17 days, contributing to a total precipitation of 172 mm, the warmth of this month offers a distinct contrast to the crisp, cooler weather of early autumn. Embrace the dynamic weather of August and explore all it has to offer in this beautiful locale by visiting our comprehensive Climate resource.