July Weather in Ljubljana, Slovenia

Last updated: August 27, 2025

July in Ljubljana, Slovenia presents a warm and varied climate, with temperatures soaring to a maximum of 34°C (93°F) and an average of 21°C (70°F). Nights offer a refreshing break, dropping to a minimum of 10°C (51°F). Rain is not uncommon, as the city experiences 98 mm (3.9 in) of precipitation over 13 days, contributing to a humidity level of 63%. Whether basking in the sunshine or enjoying the occasional summer shower, July in Ljubljana is a vibrant month full of life and activity.

July Temperature in Ljubljana

In July, Ljubljana experiences some of its warmest temperatures of the year, with minimums settling around 10°C (51°F) and averages soaring to about 21°C (70°F). Days can reach a sweltering maximum of 34°C (93°F), making it perfect for enjoying the vibrant outdoor scenes the city has to offer. This month marks a noticeable transition from the cooler weather of early summer, as June's temperatures already hint at the heat, peaking similarly. July not only holds onto the warmth of June but deepens it, offering long, sun-filled days perfect for exploring Ljubljana's charming streets and lush parks. With such inviting weather, July truly embodies the spirit of summer in Slovenia's capital.

July Weather in Ljubljana: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Ljubljana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ljubljana, July 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).
JanFebMarAprMayJunJulAugSepOctNovDec333843505867697060524336
Data source: Temperature data for Ljubljana 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.

July Precipitation in Ljubljana

In July, Ljubljana experiences a notable uptick in precipitation, with 98 mm (3.9 in) of rain falling over 13 days. This marks a shift from the milder June, which registered only 84 mm (3.3 in). The summer month sees a blend of warmth and moisture, creating lush greenery throughout the city. Interestingly, July's figures align closely with August, which follows closely behind at 100 mm (3.9 in), suggesting a pattern of consistent rainfall in the height of summer. As the wettest months approach, July sets the stage for an invigorating tapestry of life, underscoring Ljubljana’s dynamic climate and rich natural beauty.

July Precipitation Trends in Ljubljana

The chart displays monthly precipitation patterns in Ljubljana, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Ljubljana, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51897194166849810016098131121
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Ljubljana

In July, Ljubljana experiences a notable dip in humidity, averaging around 63%. This marks a continuation of the trend observed since June, where levels had already decreased to 69%. As summer progresses, the city enjoys a more comfortable atmosphere, transitioning from the dampness of early winter months, which hover around 88% in January and 82% in February. With August following suit at 51%, July stands out as the turning point where the city's humidity begins to shift significantly, creating a more pleasant environment for outdoor activities and exploration. This seasonal fluctuation highlights Ljubljana's transformation from a humid winter haven to a summery retreat.

July Average Humidity in Ljubljana

This chart illustrates the average monthly humidity levels in Ljubljana, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Ljubljana 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Ljubljana

In July, Ljubljana experiences peak UV intensity, with a UV Index of 9 categorized as very high, which means that sun protection is essential during this month. With a burn time of just 15 minutes, it's clear that the sun's rays are particularly potent, following a trend established in June. Visitors and locals alike should take precautions to minimize their exposure, especially during midday hours. As the summer progresses, this heightened UV level underscores the necessity of sun safety practices, a reminder that even as temperatures soar, vigilance against skin damage remains critical. For more detailed information on UV exposure throughout the year, check out Ljubljana UV Index.

Maximum UV Index Levels in Ljubljana for July

The chart shows the monthly maximum UV Index (UVI) for Ljubljana in July, 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 July, the maximum UV index in Ljubljana typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Ljubljana July 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.

July Sunshine in Ljubljana

In July, Ljubljana basks in a glorious average of 427 hours of sunshine, marking the pinnacle of the year for daylight enjoyment. This vibrant month follows a steady ascent from the chilly depths of winter, where January only sees 178 hours of sun. As spring unfolds, the sunshine hours steadily climb, peaking in the summer with warm, inviting days perfect for exploring the city's charming streets and lush parks. The trend is clear: longer days and abundant sunshine in July encourage outdoor festivities, making it the perfect time to experience all that Slovenia's capital has to offer. As summer transitions to August, the sun remains a constant companion with 393 hours, subtly hinting at the beautiful warmth of early autumn days yet to come.

Monthly Sunshine Duration in Ljubljana: July Highlighted

The July sunshine duration represents the total number of hours Ljubljana experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h220h310h336h361h408h427h393h318h286h212h209h
Data source: Ljubljana July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ljubljana During July

As summer arrives in Ljubljana, July showcases a moderate chance of sunshine, with a likelihood of 46%. While this marks a slight decline from the sunny days of June, which boasts a 53% chance, it remains an appealing time to enjoy the outdoors. This trend reflects a gradual shift in weather as the year progresses, with sunny probabilities typically higher in the spring months, peaking at 58% in March, before tapering slightly in the heart of summer. August similarly maintains a favorable 44% chance of sunshine, ensuring that July remains part of a pleasantly bright season for those venturing to explore the city’s charm. Overall, July in Ljubljana promises a decent mix of sunny days amidst a summer backdrop, inviting you to soak up the warmth while enjoying the vibrant atmosphere.

Percentage of Sunny Days in July in Ljubljana

The chart illustrates the percentage of sunny days in Ljubljana throughout the year, with July 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 Ljubljana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%37%58%37%33%53%46%44%51%32%24%29%
Data source: Ljubljana July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ljubljana in July

In Ljubljana, Slovenia, July shines brightly with 15 hours of daylight, maintaining the peak brightness established in June. This prolonged exposure to sunlight not only enhances outdoor activities and events but also invites residents and visitors alike to bask in the warm embrace of summer. As the year progresses, daylight begins to taper off—August offers a slight decrease at 14 hours, while September sees a significant drop to 12 hours. This gradual transition reflects the gentle ebb of summer into autumn, with a clear trend of increasing daylight in the early months giving way to shorter days as the year wanes. From January's mere 9 hours to July's full bloom, Ljubljana's daylight duration beautifully illustrates the rhythm of seasonal change.

Average Daylight Hours in Ljubljana for July

The chart illustrates the variation in daylight duration in Ljubljana throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 5m10h 21m11h 56m13h 33m14h 57m15h 40m15h 17m14h 3m12h 29m10h 52m9h 26m8h 42m
Data source: Ljubljana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Ljubljana

In July, Ljubljana experiences a gentle breeze, with an average wind speed of 1.8 m/s (4 mph), slightly picking up from the calmer June months. This trend hints at more comfortable summer days, perfect for outdoor activities and leisurely strolls along the picturesque streets of Slovenia's capital. As the summer progresses, the wind tends to weave in and out of the city, softer than the gusts in the spring months, which often hover around the 2.0 m/s mark. Interestingly, July's winds are among the lightest of the year, nudging closer to the low of 1.6 m/s seen in August, creating a tranquil atmosphere that's ideal for enjoying the numerous events and festivals typical of the season. Overall, the subtle breezes of July contribute to Ljubljana's enchanting summer charm.

Average July Wind Speed in Ljubljana

The chart displays monthly wind speed patterns in Ljubljana, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.52.02.22.11.71.8 m/s1.61.82.21.91.6
Data source: Ljubljana July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Ljubljana Compares to Other Months

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

July and January showcase stark contrasts in weather patterns. In July, temperatures range from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), accompanied by an average temperature of 21°C (70°F). This month experiences a total precipitation of 98 mm (3.9 in) over about 13 days, with humidity levels averaging 63%. In contrast, January presents a much colder climate, with temperatures plummeting to a minimum of -12°C (11°F) and not exceeding 12°C (54°F). The average temperature hovers around 1°C (34°F), and while precipitation is less, at 51 mm (2.0 in) over only 7 days, the humidity is significantly higher at 88%. For a more detailed look at January's weather, visit Ljubljana weather in January.

When comparing the weather in July and February, there are stark contrasts between the two months. July boasts much warmer temperatures, ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), with an average temperature of 21°C (70°F). In contrast, February experiences colder conditions, with temperatures ranging from a chilly -11°C (13°F) to a mild 19°C (67°F) and an average of 4°C (39°F). However, while July sees an average of 98 mm (3.9 in) of precipitation over 13 days, February has slightly less precipitation at 88 mm (3.5 in) but occurs over fewer days, totaling only 9. Additionally, February is characterized by higher humidity at 82%, compared to July’s 63%. For a more detailed look at the climate during this winter month, check out Ljubljana weather in February.

When comparing the weather in July and March, it's clear that these two months present quite contrasting conditions. July boasts a significantly warmer climate, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), averaging around 21°C (70°F). In contrast, March has much cooler temperatures, with a minimum of -14°C (8°F), an average of only 6°C (43°F), and a maximum reaching 22°C (71°F). While July experiences more precipitation, totaling 98 mm (3.9 in) over 13 days, March has a somewhat lower precipitation of 71 mm (2.8 in) over just 10 days. Humidity levels are also interesting to note, as July has a humidity of 63%, while March is slightly higher at 73%. For more detailed information, you can check Ljubljana weather in March.

In comparing the weather between April and July, it is evident that July experiences significantly warmer temperatures, with an average of 21°C (70°F) and a maximum reaching 34°C (93°F), contrasted with April’s average of 10°C (51°F) and a peak of 26°C (79°F). Precipitation levels are relatively similar, with July seeing 98 mm (3.9 in) over 13 days, while April has 94 mm (3.7 in) across 12 days. Additionally, humidity is slightly lower in July at 63%, compared to April's 73%. For more detailed insights on April's weather, visit Ljubljana weather in April.

When comparing the weather in July and May, it's clear that July tends to be warmer and drier. July exhibits a minimum temperature of 10°C (51°F) and can reach a maximum of 34°C (93°F), with an average temperature of 21°C (70°F). In contrast, May has cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 28°C (82°F), averaging around 14°C (58°F). While July sees less precipitation at 98 mm over 13 days, May experiences more rainfall, totaling 166 mm over 19 days, making it the wetter month despite it being Spring. Additionally, May has a slightly higher humidity level at 70% compared to July's 63%. For a more detailed look at May's weather, you can check Ljubljana weather in May.

In comparing the weather of June and July, it’s evident that both months experience similar temperature ranges, with July showing a slightly higher average temperature of 21°C (70°F) compared to June's 20°C (68°F). While both months can reach a maximum of 34°C (93°F in July and 94°F in June), July tends to be more humid with an average humidity of 63%, slightly lower than June's 69%. Precipitation is also higher in July, totaling 98 mm (3.9 in) over 13 days, compared to June’s 84 mm (3.3 in) across 12 days. For more detailed insights, you can check out Ljubljana weather in June.

In July, temperatures range from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), with an average of 21°C (70°F). The month experiences about 98 mm (3.9 in) of precipitation over 13 days and has a humidity level of 63%. In comparison, August sees slightly cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 35°C (96°F), while maintaining the same average of 21°C (70°F). Precipitation in August is marginally higher at 100 mm (3.9 in) but occurs over just 12 days, accompanied by a lower humidity level of 51%. For more detailed information, you can check Ljubljana weather in August.

July and September exhibit notable differences in weather patterns. July boasts warmer temperatures, with an average high of 34°C (93°F) and a more temperate minimum of 10°C (51°F), while September sees a drop in the average to 16°C (61°F) and a maximum of 29°C (85°F). In terms of precipitation, September is notably wetter, recording 159 mm (6.3 in) across 12 days, compared to July's 98 mm (3.9 in) over 13 days. Humidity levels are quite similar, with July at 63% and September slightly higher at 64%. For more detailed insights, you can check out Ljubljana weather in September.

July and October present quite contrasting weather patterns. In July, temperatures range from a minimum of 10°C (51°F) to a maximum of 34°C (93°F), with an average of 21°C (70°F), making it a warm month ideal for outdoor activities. Conversely, October sees much cooler conditions, with temperatures ranging from a chilly 0°C (31°F) to a comfortable 24°C (76°F) and an average of 11°C (52°F). While both months experience similar levels of precipitation at 98 mm (3.9 in), July has rain spread over 13 days compared to October's 9 days, leading to a more humid environment in October, with humidity levels reaching 83%. For more details on specific weather patterns, visit Ljubljana weather in October.

When comparing the weather in July and November, it is clear that these months present stark contrasts. July boasts a warm average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F), while November sees a much cooler average of 6°C (44°F), with maximum temperatures rarely exceeding 18°C (65°F). Precipitation is relatively abundant in both months, with July experiencing 98 mm (3.9 in) over 13 days and November slightly wetter at 131 mm (5.2 in) over just 11 days. Additionally, humidity levels are noticeably higher in November at 89%, compared to July's 63%, leading to a much more intense and chilly atmosphere as winter approaches. For further details, you can explore Ljubljana weather in November.

The weather in July is characterized by warmer temperatures, with an average of 21°C (70°F) and highs reaching up to 34°C (93°F), while the minimum temperature rarely drops below 10°C (51°F). In contrast, December experiences much colder conditions, with an average temperature of only 2°C (36°F) and lows plunging to -15°C (6°F). Additionally, July sees a moderate level of precipitation (98 mm or 3.9 in) over 13 days, whereas December has slightly higher precipitation (121 mm or 4.8 in) but over just 10 days. Humidity also varies significantly, with July averaging 63% compared to December's higher level of 88%. For more detailed information, visit Ljubljana weather in December.

Compare Ljubljana's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Ljubljana

In July, Ljubljana basks in the warmth of summer, offering a delightful contrast to the cooler months. With temperatures peaking at a sweltering 34°C (93°F) and averaging around 21°C (70°F), the city welcomes sun-seekers to enjoy its vibrant outdoor life. While brief rain showers can interrupt the warmth, leading to about 13 days of precipitation, the overall climate remains enjoyable, with humidity levels hovering around 63%. This blend of sun and sporadic rain sets July apart from the chillier and drier months, making it a perfect time for visitors to explore the city's enchanting sights. For a deeper understanding of what to expect throughout the year, check out Ljubljana Climate.