Last updated: August 27, 2025
Experience the charm of Portoroz, Slovenia in July, where the average temperature hovers around 25°C (77°F), complemented by a delightful maximum of 29°C (85°F), offering warm days perfect for outdoor adventures. With a minimum comfortable temperature of 20°C (68°F), evenings provide a pleasant atmosphere to unwind. However, be prepared for an occasional summer rain, as the region experiences about 49 mm (1.9 in) of precipitation over 6 days throughout the month. The humidity sits at a moderate 63%, ensuring that the coastal breezes keep you refreshed while you soak in the beauty of this vibrant seaside destination.
In July, Portorož, Slovenia, basks in the warmth of summer, with temperatures reflecting the season's peak. The minimum temperature hovers around a comfortable 20°C (68°F), while the average climbs to a pleasant 25°C (77°F). With a maximum temperature reaching 29°C (85°F), visitors can enjoy long, sunny days perfect for beach outings and outdoor activities. This month marks a significant transition from the milder conditions of early summer, with July showcasing the year's warmest climate. As crowds flock to the stunning coastline, the vibrant atmosphere and balmy weather truly encapsulate the essence of a Slovenian summer getaway.
In July, Portoroz experiences a moderate shift in precipitation patterns, with a total of 49 mm (1.9 in) of rainfall spread across 6 days. This marks a continuation of the generally drier trend that begins in late spring, contrasting sharply with the heavier rains seen in the subsequent months, particularly September and November, which see totals of 171 mm (6.7 in) and 183 mm (7.2 in) respectively. The light rainfall in July, however, provides a pleasant balance for summer activities, allowing residents and visitors to enjoy the warm coastal climate with minimal disruption. As the warm days give way to more precipitation later in the year, July serves as a brief respite, embodying the serenity of summer in Slovenia.
In July, Portorož, Slovenia experiences a notable decline in humidity, with levels dropping to 63%. This shift reflects a broader trend throughout the summer months, as humidity continues to decrease from the high readings of 88% in January down to this mid-summer low. After peaking at 73% in both March and April, humidity steadily declines, reaching its lowest point in July before rising again in the fall. By the end of summer, August sees a further dip to just 51%, marking the driest month of the year. This pattern highlights the region's transition from a humid winter to a more temperate summer, making July a refreshing escape with relatively lower moisture levels.
In July, Portoroz, Slovenia experiences a UV Index of 9, categorizing it as very high exposure. This means that sun protection is essential, with a burn time of just 15 minutes for fair-skinned individuals. The trend leading up to July shows a steady increase in UV intensity, rising from a mere UV Index of 2 in January to the peak values encountered in the summer months. This pattern of escalating UV levels continues into early August, where the index will register at 8. As the summer progresses, it’s crucial for both locals and visitors to stay informed and take precautions against sunburn. For further insights, check out the detailed Portoroz UV Index for safe sun practices.
UV Risk Categories
In July, Portoroz basks in the peak of summer with an impressive 430 hours of sunshine, making it one of the sunniest months of the year. This vibrant seaside town transforms into a sun-drenched paradise, following a steady increase in sunny days that began in January with just 182 hours. As the months progress, the sunshine hours climb, showcasing a delightful ascent that peaks in July before gently tapering off in August, which still retains a commendable 397 hours. The consistent rise in sunlight not only enhances the beauty of Portoroz but also encourages outdoor activities, making it an ideal destination for sun-seekers and nature lovers alike.
In Portorož, Slovenia, July stands out as a month with a 51% chance of sunny weather, marking a significant shift from the earlier months of the year. This is particularly notable when compared to January's mere 31% and February's 42%, both of which struggle with limited sunshine. As spring gives way to summer, the likelihood of sunny days steadily increases, peaking in August at 62%. Interestingly, July's weather is characterized by its unpredictability, as it sits between the sunnier months of June and August. So while travelers can anticipate a decent chance of enjoying the sun, they should also be prepared for occasional cloud cover throughout the month.
In July, Portoroz, Slovenia, basks in approximately 15 hours of daylight, a peak that reflects the region's vibrant summer. This extended daylight follows a gradual increase from 9 hours in January to its height in June and July, offering a splendid backdrop for outdoor activities and leisurely pursuits. As the summer winds down, August sees a slight decline to 14 hours, gently nudging towards the shorter days of fall. The transition becomes more evident in September, where daylight hours decrease once again to 12, paving the way for the cooler months ahead. This rhythmic ebb and flow of daylight throughout the year highlights the dynamic interplay between the seasons, making each month in Portoroz uniquely enchanting.
In July, Portorož experiences a gentle yet pleasant breeze, with an average wind speed of 3.4 m/s (8 mph). This slightly lower wind speed, compared to the preceding months, creates a serene atmosphere ideal for enjoying the sun-drenched beaches and vibrant coastal life. As the summer peaks, the winds remain milder than in the cooler months, setting the stage for leisurely outdoor activities. Following July, the wind picks up again in August and October, hinting at the seasonal transitions that bring a refreshingly bracing change to the Slovenian coast. Overall, July's tranquil winds perfectly complement the beauty of summer in Portorož, making it a delightful time for residents and visitors alike.
Weather in Portoroz varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Portoroz, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a striking contrast in weather patterns. In July, temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), providing warm and pleasant summer days, albeit with average humidity around 63% and occasional rainfall totaling 49 mm over six days. In contrast, January offers a much colder experience, with temperatures dipping as low as -3°C (27°F) and peaking at only 13°C (56°F). The precipitation is slightly higher at 58 mm over seven days, and humidity reaches a higher level of 88%. For more details on January weather, you can visit Portoroz weather in January.
When comparing the weather in July and February, the differences are striking. In July, temperatures are significantly warmer, ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), with an average of 25°C (77°F). The month experiences relatively low precipitation of 49 mm (1.9 in) over just 6 days, and humidity stands at 63%. In contrast, February brings much colder temperatures, with averages ranging from -3°C (27°F) at night to a maximum of 13°C (56°F), averaging only 8°C (47°F) for the month. Precipitation is higher during this winter month, totaling 106 mm (4.2 in) spread over 11 days, and the humidity is notably higher at 82%. For more details about February weather, you can visit Portoroz weather in February.
The weather in July and March presents a striking contrast in both temperature and humidity. July typically enjoys warmer temperatures with a minimum of 20°C (68°F) and an average of 25°C (77°F), while March experiences much cooler conditions, with minimum temperatures dropping to -3°C (27°F) and an average of 10°C (50°F). Although March sees slightly higher precipitation at 57 mm (2.3 in) over 7 days compared to July's 49 mm (1.9 in) over 6 days, the humidity is notably higher in March at 73% versus July’s 63%. For those interested in the weather specifics for March, you can find more details here: Portoroz weather in March.
When comparing the weather in July and April, a notable contrast emerges. July features a much warmer climate, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), along with a lower precipitation level of 49 mm (1.9 in) over approximately six days. In contrast, April experiences cooler temperatures, with averages between 5°C (42°F) and 20°C (68°F), and a higher precipitation amount of 86 mm (3.4 in) spread across eight days. Additionally, April tends to have higher humidity at 73%, compared to July's 63%. For more specific details on April weather, you can check Portoroz weather in April.
In comparing the weather between May and July, a noticeable shift in temperature and precipitation patterns emerges. July enjoys a warmer climate, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 29°C (85°F), while May is much cooler, averaging between 10°C (50°F) and 24°C (76°F). Precipitation is significantly lower in July, totaling 49 mm (1.9 in) over just 6 days, compared to May's 105 mm (4.2 in) spread across 13 days. Humidity levels are also slightly lower in July at 63%, compared to May's 70%. For more detailed insights on May's weather, you can visit Portoroz weather in May.
In comparing the weather of July and June, July generally presents slightly warmer temperatures, with an average of 25°C (77°F) compared to June's 23°C (73°F). While July has higher minimum temperatures at 20°C (68°F), June peaks at a maximum of 30°C (86°F), indicating that June can have hotter days despite its lower average. Precipitation in July is less, totaling 49 mm (1.9 in) over 6 days, compared to June's 68 mm (2.7 in) over 5 days. Humidity levels are also a bit lower in July at 63% compared to June's 69%. For a detailed look at June weather, you can visit Portoroz weather in June.
In comparing the weather between July and August, July tends to be slightly warmer, with average temperatures around 25°C (77°F) and maximums reaching 29°C (85°F). In contrast, August shows a marginal increase in maximum temperature, peaking at 30°C (87°F), while maintaining a similar average of 26°C (78°F). Both months experience a similar amount of precipitation, with July receiving 49 mm (1.9 in) and August slightly higher at 58 mm (2.3 in), although both months have rainfall on six days. Notably, humidity levels drop from 63% in July to 51% in August, making the latter month feel more comfortable. For more detailed information about August weather specifically, you can check Portoroz weather in August.
In July, the weather is typically warm with a minimum temperature of 20°C (68°F) and an average of 25°C (77°F), peaking at a maximum of 29°C (85°F). Despite being a warm summer month, July experiences moderate precipitation of 49 mm (1.9 in) over about 6 days and maintains a humidity level of 63%.
In contrast, September sees a drop in temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), but it can still reach up to 28°C (82°F) at its warmest. However, September is significantly wetter, receiving 171 mm (6.7 in) of rain over 10 days, while humidity remains slightly higher at 64%. This shift in weather makes September feel considerably different from the warmth of July. For more details about the September weather, visit Portoroz weather in September.
In July, the weather is warm and pleasant, with average temperatures around 25°C (77°F) and maximums reaching up to 29°C (85°F). The month sees relatively low precipitation, with about 49 mm (1.9 in) spread over just 6 days, and humidity levels hovering at 63%. In contrast, October brings much cooler temperatures, with an average of 17°C (64°F), dipping to a minimum of 11°C (52°F) and peaking at 23°C (73°F). This month is also wetter, experiencing approximately 100 mm (4.0 in) of rainfall over 10 days and a higher humidity level of 83%. For more detailed information, you can check Portoroz weather in October.
July and November present stark contrasts in weather. July boasts warm temperatures with a minimum of 20°C (68°F) and an average of 25°C (77°F), peaking at a comfortable 29°C (85°F). In contrast, November sees much cooler conditions, with temperatures dropping to a minimum of 6°C (42°F) and an average of only 13°C (56°F). Additionally, July experiences relatively low precipitation of 49 mm (1.9 in) over just 6 days, while November is much wetter, receiving 183 mm (7.2 in) across 13 days. The humidity also increases significantly in November, reaching 89%, compared to July's 63%. For detailed information, check out Portoroz weather in November.
Comparing the weather in July and December reveals significant differences in temperature and precipitation. In July, temperatures are comfortably warm, ranging from a minimum of 20°C (68°F) to an average of 25°C (77°F), with highs reaching up to 29°C (85°F). This month experiences lower precipitation, with only 49 mm (1.9 in) falling over about six days, and humidity sits at a moderate 63%. In stark contrast, December is much cooler, with temperatures dropping to a minimum of 4°C (39°F) and an average of just 10°C (50°F), peaking at 16°C (60°F). Furthermore, it is a wetter month, receiving 150 mm (5.9 in) of rainfall across 13 days, coupled with high humidity at 88%. For more detailed insights, check out Portoroz weather in December.
July in Portorož is a breathtaking blend of warmth and sunshine, standing out as one of the hottest months of the year. With average temperatures reaching a comfortable 25°C, visitors can expect plenty of inviting beach days and outdoor adventures. This month sees a slight increase in humidity at 63%, though the delightful coastal breeze often makes it more enjoyable. Rainfall is relatively modest, limited to only about six days, allowing for ample opportunities to soak up the summer sun. Overall, July offers a vibrant escape, contrasting with the cooler, wetter months that precede it. For more about Portorož's weather patterns throughout the year, explore Portoroz Climate.