July Weather in Opatija, Croatia

Last updated: March 17, 2025

In July, Opatija, Croatia, basks in warm Mediterranean charm, featuring a maximum temperature of 31°C (88°F) and a pleasant average of 23°C (73°F). Visitors can enjoy many sunny days, but should be prepared for occasional rain, as 11 days can see precipitation totaling 86 mm (3.4 in). With a humidity level of 63%, the air carries a refreshing coastal breeze, making it an ideal time to explore the stunning seafront, lush gardens, and vibrant local culture.

July Temperature in Opatija

In July, Opatija basks in warmth, showcasing a delightful climate that invites sun-seekers and beach lovers alike. With minimum temperatures resting at a pleasant 15°C (59°F), the region experiences an average of 23°C (73°F), perfectly balanced for outdoor activities. The mercury can soar to a maximum of 31°C (88°F), making it one of the hottest months of the year. This month follows a steady rise from the spring season, reflecting a clear trend of increasing warmth that peaks in summer, ensuring that visitors can enjoy long, sun-drenched days along the stunning Adriatic coastline. Whether lounging on the beach or exploring the vibrant local culture, July in Opatija offers an inviting atmosphere that perfectly captures the essence of summer in Croatia.

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

The chart illustrates July temperature patterns in Opatija, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404346536170737465575043
Data source: Temperature data for Opatija 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 Opatija

In July, Opatija experiences a mild shift in precipitation patterns, with an average rainfall of 86 mm (3.4 in) over approximately 11 days. This represents a slight increase from June's 85 mm, marking a transition into the wetter late summer months. While the rainfall remains relatively manageable, it sets the stage for the more significant downpours characteristic of September, where precipitation jumps dramatically to 234 mm (9.2 in). Overall, July provides a balanced climate, neither too dry nor excessively wet, making it an appealing time for visitors to enjoy Opatija's stunning coastal scenery.

July Precipitation Trends in Opatija

The chart displays monthly precipitation patterns in Opatija, 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.
JanFebMarAprMayJunJulAugSepOctNovDec113194133133184858692234196254251
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Opatija

As summer settles in Opatija, Croatia, July brings a noticeable drop in humidity levels, averaging 63%. This decline marks a significant shift from the year’s beginning, where the humidity is at a high 88% in January. Following the warmer months, June, with its 69% humidity, acts as a precursor to the more comfortable conditions of July. The trend continues into August, where humidity further decreases to 51%, allowing residents and visitors alike to enjoy the coastal charm of this Adriatic gem without the sweltering stickiness. Overall, the gradual reduction in humidity from spring into summer heralds a welcoming escape from the often oppressive winter months.

July Average Humidity in Opatija

This chart illustrates the average monthly humidity levels in Opatija, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
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 Opatija

In July, Opatija, Croatia, experiences a very high UV Index of 9, matching the intensity seen in June, which signifies a critical need for sun protection. With a burn time of only 15 minutes, this peak summer month invites both locals and tourists to enjoy the sun, but caution is essential as unprotected skin can suffer severe consequences. Interestingly, the trend from May through August highlights a consistent period of elevated UV exposure, prompting a vigilant approach to sun safety in the region. As summer progresses, individuals should be especially mindful of their limits while basking in the splendor of this beautiful coastal destination. For daily updates and detailed UV information, visit Opatija UV Index.

Maximum UV Index Levels in Opatija for July

The chart shows the monthly maximum UV Index (UVI) for Opatija 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Opatija 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 Opatija

In July, Opatija basks in a splendid 432 hours of sunshine, marking the peak of its sunny season. This remarkable figure highlights a consistent upward trend from the year's outset, where January's modest 185 hours gradually builds momentum through spring. The sun-drenched days of May and June pave the way for July’s vibrant warmth, as the coastal town transforms into a summer paradise. Even in the following month, August, the sun continues to shine brightly with 401 hours, although a slight decline signals the transition into late summer. This pattern of increasing sunlight culminates in July, making it an ideal time for visitors to experience Opatija's beautiful beaches and stunning vistas.

Monthly Sunshine Duration in Opatija: July Highlighted

The July sunshine duration represents the total number of hours Opatija 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h232h320h349h384h420h432h401h331h302h233h223h
Data source: Opatija July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Opatija During July

In Opatija, Croatia, the likelihood of sunny weather reaches a notable 53% in July, making it one of the sunlit highlights of the summer. This trend shows a delightful increase from the earlier months, especially following a low of 28% in January. While July's sunshine is slightly less than August's 60%, it stands out among the mid-summer months, reflecting a general upward trajectory in sun chances as the year unfolds. Interestingly, the peak months for sunshine lie just after July, suggesting that while you can expect pleasant weather, the sun truly shines in its glory as summer continues. Overall, visiting Opatija in July promises a good chance of enjoying warm, sunny days amidst the picturesque beauty of the Croatian coast.

Percentage of Sunny Days in July in Opatija

The chart illustrates the percentage of sunny days in Opatija 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 Opatija experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%37%61%39%39%57%53%60%57%48%34%39%
Data source: Opatija July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Opatija in July

In Opatija, Croatia, July stands out as a peak summer month, offering a delightful 15 hours of daylight. This duration aligns with the preceding month of June, showcasing a high point in sunlight that allows for long, leisurely days by the Adriatic Sea. As the year progresses, the trend reveals a gradual increase in daylight from 9 hours in January to this summer zenith, followed by a gentle decline in August with 14 hours, signaling the slow transition toward autumn. This pattern not only illuminates the vibrant summer atmosphere but also hints at the looming change of seasons, as daylight diminishes to 12 hours in September and further decreases into the fall. The consistent rise and fall of daylight hours highlight the rhythm of nature in this stunning coastal locale.

Average Daylight Hours in Opatija for July

The chart illustrates the variation in daylight duration in Opatija throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 9m10h 23m11h 56m13h 32m14h 53m15h 34m15h 13m14h12h 28m10h 54m9h 30m8h 46m
Data source: Opatija daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Opatija

In July, the winds in Opatija, Croatia, remain gentle, with an average speed of 2.5 m/s (5 mph), slightly up from the calmness felt in June. This trend of moderate winds reflects the region's summer ambiance, where cool breezes provide a refreshing contrast to the warm coastal temperatures. Interestingly, the wind speeds in July are generally lower compared to earlier months in the year, indicating a shift towards a more tranquil summer environment. As the summer progresses into August, the winds pick up slightly to 2.9 m/s (6 mph), suggesting that the vibrant spirit of the season is accompanied by just enough wind to enhance outdoor activities without overwhelming the serene coastal experience. Overall, July acts as a gentle interlude in Opatija’s wind patterns, allowing visitors to savor the beauty of the Adriatic coast with just a whisper of breeze.

Average July Wind Speed in Opatija

The chart displays monthly wind speed patterns in Opatija, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.22.93.03.02.22.5 m/s2.92.63.93.62.7
Data source: Opatija July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Opatija Compares to Other Months

The weather in Opatija changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Opatija and find detailed weather information for every month.

In July, the weather in Opatija is warm and pleasant, with average temperatures ranging from a cool 15°C (59°F) to a peak of 31°C (88°F). The atmosphere is relatively humid at 63%, and there is a moderate amount of precipitation, totaling 86 mm (3.4 in) over 11 days. In contrast, January brings a sharp chill, with average temperatures fluctuating between a frigid -9°C (16°F) and a maximum of 13°C (56°F). The humidity is higher at 88%, and although there are fewer rainy days (9 in total), the amount of precipitation is greater at 113 mm (4.5 in). For a detailed overview of January weather, visit Opatija weather in January.

July and February present stark contrasts in weather. In July, temperatures range from a minimum of 15°C (59°F) to a maximum of 31°C (88°F), with an average of 23°C (73°F), while February experiences much cooler temperatures with a minimum of -8°C (19°F) and a maximum of 21°C (71°F), averaging only 6°C (43°F). Additionally, July has a relatively low precipitation of 86 mm (3.4 in) over 11 days, whereas February sees significantly higher rainfall at 194 mm (7.6 in) across 13 days. The humidity levels are also higher in February at 82%, compared to July's 63%. For more details on February weather specifically, visit Opatija weather in February.

In comparing the weather of July and March, notable differences emerge in temperature and precipitation levels. July boasts a warmer climate, with average temperatures ranging from a mild 15°C (59°F) at night to a hot 31°C (88°F) during the day, while March experiences a much colder range, with temperatures from a low of -9°C (16°F) to a pleasant high of 20°C (68°F). Interestingly, both months see similar precipitation days, with 11 days of rain in each; however, July experiences significantly less rain overall, receiving 86 mm (3.4 in) compared to March's 133 mm (5.2 in). Furthermore, humidity levels are slightly higher in March at 73%, compared to July's 63%. For a closer look at March weather specifics, you can refer to Opatija weather in March.

When comparing the weather in July and April, there are notable differences in temperature and precipitation. July boasts a much warmer climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (88°F), whereas April experiences cooler temperatures, peaking at 23°C (73°F) but also dipping to a minimum of -1°C (31°F). In terms of precipitation, April receives more rainfall, totaling 133 mm (5.2 in) over about 10 days, compared to July's 86 mm (3.4 in) over 11 days. Additionally, April's humidity is slightly higher at 73%, in contrast to July's 63%. For a deeper dive into April's weather patterns, you can refer to this link: Opatija weather in April.

In comparing the weather between July and May, July boasts higher temperatures with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at 31°C (88°F). In contrast, May experiences cooler conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 16°C (61°F), and a maximum of 26°C (79°F). Precipitation is also more abundant in May, totaling 184 mm (7.2 in) over 18 days, compared to July's 86 mm (3.4 in) over just 11 days. Additionally, humidity levels are slightly higher in May at 70%, compared to July's 63%. For a detailed look at May's weather, you can check out Opatija weather in May.

In comparing the weather between June and July, June tends to be warmer on average, with maximum temperatures reaching up to 35°C (95°F) compared to July's maximum of 31°C (88°F). However, July sees a slightly higher average temperature of 23°C (73°F) versus June's 21°C (70°F). Both months have similar precipitation levels, with June receiving 85 mm (3.3 in) over 9 days and July totaling 86 mm (3.4 in) over 11 days. Humidity is slightly higher in June at 69%, as opposed to July's 63%. For more detailed insights into June's climate, check out Opatija weather in June.

In comparing the weather of July and August, both months display similar average temperatures, with July averaging 23°C (73°F) and August slightly warmer at 23°C (74°F). However, August features a higher maximum temperature of 32°C (90°F) compared to July’s 31°C (88°F). Precipitation levels also increase slightly in August, with 92 mm (3.6 in) of rain over 9 days, compared to July's 86 mm (3.4 in) across 11 days. Additionally, August benefits from lower humidity at 51%, making it feel a bit more comfortable than the 63% humidity seen in July. For more detailed information on specific conditions, you can check Opatija weather in August.

In July, the weather is warm and inviting, with average temperatures hovering around 23°C (73°F) and maximums reaching up to 31°C (88°F). However, it also faces moderate rainfall, with around 86 mm (3.4 in) of precipitation over 11 days, while maintaining a comfortable humidity level of 63%.

In contrast, September sees a notable drop in temperatures, with averages of 19°C (66°F) and minimums dipping to 8°C (47°F). Precipitation increases significantly to 234 mm (9.2 in) across 12 days, while the humidity remains fairly consistent at 64%. For a more detailed overview of September’s weather in Opatija, visit Opatija weather in September.

July and October present quite contrasting weather conditions. In July, temperatures range from a mild 15°C (59°F) at night to a warm 31°C (88°F) during the day, with an average of 23°C (73°F) and relatively low precipitation of 86 mm (3.4 in) over 11 days. The humidity stands at 63%, contributing to a pleasant summer vibe. In comparison, October brings cooler temperatures, with lows dropping to 5°C (42°F) and daytime highs reaching 24°C (76°F), averaging around 14°C (58°F). The month also sees a significant increase in rainfall, totaling 196 mm (7.7 in) over the same number of days, while humidity rises to 83%. For more details, check out Opatija weather in October.

In July, the weather in Opatija is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average high of 31°C (88°F), making it a pleasant month for outdoor activities. However, it does experience some rainfall, with about 86 mm (3.4 in) over 11 days, and humidity levels sitting at 63%. In contrast, November brings a significant drop in temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 19°C (66°F), and an average of only 10°C (50°F). This month is also much wetter, receiving 254 mm (10.0 in) of precipitation over 14 days, coupled with higher humidity of 89%. To explore more about the unique conditions of November, you can check Opatija weather in November.

July and December in Opatija present stark contrasts in weather conditions. July enjoys relatively warm temperatures, with averages around 23°C (73°F) and maximums reaching up to 31°C (88°F), accompanied by moderately high humidity at 63% and occasional rainfall of 86 mm over 11 days. In sharp contrast, December experiences a significant drop in temperatures, with averages around 6°C (43°F) and maximums only reaching 14°C (58°F), alongside much higher precipitation levels of 251 mm over 14 days and increased humidity at 88%. For more details about the December weather, you can check Opatija weather in December.

Compare Opatija's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Opatija

July in Opatija stands out as a vibrant month, characterized by warm temperatures and a lively atmosphere, making it a peak time for visitors. With maximum temps soaring to a sweltering 31°C (88°F), the summer sun bathes the city, inviting outdoor activities and beach relaxation. Unlike the cooler months, July experiences a balance of warmth and humidity, complemented by occasional rainfall that brings refreshing relief. The average temperature nudges a comfortable 23°C (73°F), creating ideal conditions for exploring Opatija's stunning landscapes. For those interested in understanding more about the overall climate trends, be sure to check Opatija Climate.