July Weather in Oia, Greece

Last updated: August 21, 2025

Discover the ideal summer climate of Oia, Greece in July, where the sun shines bright and temperatures reach a maximum of 28°C (83°F), with an inviting average of 25°C (77°F). This picturesque destination boasts a lovely minimum temperature of 22°C (72°F), ensuring warm evenings under the stars. With zero precipitation recorded for the month, visitors can enjoy uninterrupted outdoor adventures and breathtaking views. While the humidity sits at a comfortable 71%, Oia offers a perfect blend of warmth and refreshing Mediterranean breezes, making it an unforgettable getaway for sun-seekers and explorers alike.

July Temperature in Oia

In July, Oia, Greece, baskes in warm, sun-soaked days, with temperatures showcasing a delightful rise. The month opens with minimums around 22°C (72°F), ensuring comfortable evenings, while the average temperature hovers at 25°C (77°F)—perfect for enjoying the stunning caldera views. The warmth peaks at 28°C (83°F), inviting visitors to bask on sun-drenched terraces or explore the charming streets. This trend of rising temperatures continues from June, making July one of the most appealing months to experience the vibrant sunsets and shimmering seas of this picturesque island. With steady warmth and lush vistas, Oia radiates the essence of a perfect summer getaway.

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

The chart illustrates July temperature patterns in Oia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec565758616673777775706560
Data source: Temperature data for Oia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Oia

In July, Oia, Greece, basks in the height of summer with a striking record of 0 mm of precipitation and no rain days. This extended dry spell marks a significant departure from the wetter months earlier in the year, where rainfall is more frequent, particularly in January and November, with their respective 11 and 5 days of precipitation. As summer peaks, visitors can expect sun-filled skies and dry conditions ideal for exploring the stunning landscapes and vibrant culture of this iconic destination. With July's dryness, the transition into August—a month that also sees minimal rainfall—reinforces the region's reputation for its idyllic summer climate, leaving behind the lush greenery of spring and early summer.

July Precipitation Trends in Oia

The chart displays monthly precipitation patterns in Oia, 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 Oia, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7658441743012144172
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Oia

In July, Oia, Greece experiences a dip in humidity, averaging around 71%, which marks a noticeable decrease from the more humid months that precede it. This reduction in moisture is part of a broader trend observed throughout the summer, as July's humidity is notably lower than June's 77% and transitions to even drier conditions in August, with humidity dropping to 66%. This shift contributes to the region's warm, sunny charm during peak tourist season, making July an ideal time for visitors to enjoy the stunning scenery without feeling overly muggy. Overall, Oia's climate during this month provides a perfect backdrop for those looking to bask in the beauty of the Cyclades.

July Average Humidity in Oia

This chart illustrates the average monthly humidity levels in Oia, 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 Oia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Oia

In July, visitors to Oia, Greece should be prepared for intense sun exposure, as the UV Index peaks at a remarkable 10, categorized as very high. This level of UV radiation means that a mere 15 minutes of unprotected sun exposure can lead to sunburn. This trend of elevated UV levels begins in April and continues unabated through August, signaling a need for sun safety practices during the peak summer months. Notably, despite the overwhelmingly high readings in July, similar conditions persist in June and August, reinforcing the importance of sun protection. As the summer progresses, the UV Index gradually drops in September before settling down in the fall months. For more details on the UV levels throughout the year, check out the Oia UV Index.

Maximum UV Index Levels in Oia for July

The chart shows the monthly maximum UV Index (UVI) for Oia 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 Oia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108743
Data source: Oia 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 Oia

As July arrives in Oia, Greece, the sun graces the island with an impressive 424 hours of glorious sunshine, marking it as the peak of summer radiance. This month stands out not only for its abundant sunlight but also shows a clear upward trend from 218 hours in January to a stunning 412 hours in June. As the sun reaches its zenith, the days stretch longer, creating perfect conditions for everything from exploring picturesque alleys to lounging by the crystal-clear Aegean Sea. Following July, August experiences a slight dip to 397 hours, yet still offers ample sunshine, keeping the carefree summer vibe alive. The steady climb in daylight hours during the warmer months reveals Oia's enchantment, ensuring visitors bask in the beauty of this iconic destination.

Monthly Sunshine Duration in Oia: July Highlighted

The July sunshine duration represents the total number of hours Oia 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h272h336h354h401h412h424h397h350h325h277h267h
Data source: Oia July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oia During July

As you plan your visit to Oia, Greece, in July, prepare for an idyllic summer experience with an impressive 99% chance of sunny weather. This remarkable likelihood follows a steady upward trend, starting from a modest 45% in January and climbing to a near-perfect 100% in August. The month of June already showcases a breathtaking 93% of sunshine, setting the stage for July's vibrant days filled with sunshine. As summer progresses, sun-seekers can feel confident that July is the perfect time to bask in Oia’s stunning views and enjoy the allure of the Aegean Sea.

Percentage of Sunny Days in July in Oia

The chart illustrates the percentage of sunny days in Oia 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 Oia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%63%65%57%78%93%99%100%95%75%48%51%
Data source: Oia July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oia in July

In Oia, Greece, July boasts a delightful 14 hours of daylight, maintaining the same luminous duration as June. This month marks the peak of summer, where the sun shines brightly over the stunning landscapes, perfect for leisurely strolls and picturesque sunsets. As summer progresses, daylight begins to taper off in August with 13 hours, signaling the gradual transition into fall. The trend highlights a vibrant sun-filled season, where long days encourage exploration and relaxation along the beautiful coast, before the shorter days of autumn arrive.

Average Daylight Hours in Oia for July

The chart illustrates the variation in daylight duration in Oia throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 50m11h 58m13h 8m14h 6m14h 35m14h 20m13h 28m12h 22m11h 13m10h 12m9h 42m
Data source: Oia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Oia

In July, Oia, Greece, experiences a delightful uptick in wind speed, averaging 8.0 m/s (18 mph), which brings a refreshing breeze to the sun-soaked island. This slight increase continues the trend observed since early spring, where winds began to strengthen after the calmer months of June and May. As temperatures rise, the invigorating gusts provide perfect conditions for outdoor activities and picturesque sailing experiences. Remarkably, July's winds contrast with the stillness of early summer, paving the way for a lively atmosphere that is equally inviting for both tourists and locals alike. This dynamic climate continues into August, allowing visitors to enjoy the stunning vistas of Oia amidst the gentle embrace of the Aegean winds.

Average July Wind Speed in Oia

The chart displays monthly wind speed patterns in Oia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.77.68.47.05.75.48.0 m/s7.58.17.06.78.0
Data source: Oia July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Oia Compares to Other Months

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

In July, the weather is warm and pleasant, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F) and an average of 25°C (77°F). Notably, July enjoys clear skies with no recorded precipitation, making it an ideal month for outdoor activities and beach visits, accompanied by a humidity level of 71%. In contrast, January presents a much cooler climate, with temperatures dropping to a minimum of 5°C (40°F) and averaging 13°C (56°F), peaking at 20°C (68°F). This month experiences more frequent rain, totaling 76 mm (3.0 in) over about 11 days, alongside a slightly higher humidity level of 77%. For a detailed look at what January brings, check out Oia weather in January.

July and February present striking contrasts in weather patterns. July boasts a warm climate, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), accompanied by clear skies and no recorded precipitation. In stark contrast, February experiences much cooler temperatures, averaging around 14°C (58°F), with lows of 7°C (44°F) and highs of 19°C (66°F). Additionally, February sees significant rainfall, totaling 58 mm (2.3 in) across approximately 8 rainy days, along with slightly higher humidity at 76%. For more details on what to expect, check out Oia weather in February.

The weather in July presents a warm and dry atmosphere, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), while enjoying an average temperature of 25°C (77°F). In stark contrast, March is much cooler, showcasing a temperature range from 6°C (44°F) to 18°C (65°F), with an average of only 14°C (58°F). Additionally, March experiences significant precipitation with 44 mm (1.7 in) over 6 days, compared to July's dry stretch with no recorded precipitation. Interestingly, the humidity level is quite similar, with March at 77% and July at 71%. For more detailed insights on March weather, visit Oia weather in March.

When comparing the weather in July and April, it's evident that July experiences significantly warmer temperatures, with averages ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F). In contrast, April feels much cooler, with temperatures that peak at 20°C (69°F) and an average of 16°C (61°F). While April brings some rainfall, averaging 17 mm with precipitation occurring on 2 days, July remains completely dry with no recorded rainfall. Additionally, the humidity is slightly lower in July at 71%, compared to April's higher humidity level of 77%. For more details on the weather during April, you can check Oia weather in April.

July offers significantly warmer weather compared to May, with average temperatures reaching 25°C (77°F) and highs of 28°C (83°F), while May has an average of 19°C (67°F) and peaks at 24°C (75°F). Additionally, July boasts completely dry conditions with no recorded precipitation, in contrast to May, which experiences a modest 4 mm (0.2 in) of rain. However, humidity levels are higher in May at 81%, compared to July's 71%. For more details on the charming weather conditions in May, you can refer to Oia weather in May.

In comparing the weather between June and July, July experiences slightly warmer temperatures, boasting a minimum of 22°C (72°F), an average of 25°C (77°F), and a maximum of 28°C (83°F). In contrast, June has a cooler range, with temperatures dipping to a minimum of 18°C (65°F), averaging 23°C (73°F), and peaking at 27°C (80°F). While both months see minimal precipitation, July stands out with no recorded rainfall, whereas June receives a small total of 3 mm (0.1 in) of rain. Additionally, humidity is slightly lower in July at 71%, compared to 77% in June, creating a more comfortable atmosphere as summer progresses. For more details on June's weather, you can check Oia weather in June.

In comparing the weather of July and August, we find that both months maintain a warm climate with minimal precipitation. July features a consistent temperature range with minimums of 22°C (72°F) and maximums reaching 28°C (83°F), coupled with a humidity level of 71%. In contrast, August experiences slightly higher maximum temperatures at 30°C (86°F), although its humidity is lower at 66%. Both months see virtually no rainfall, with August registering just 1 mm, but experiencing no rainy days, similar to July. For more detailed insights, you can check Oia weather in August.

In July, the weather is typically warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), averaging around 25°C (77°F). This month enjoys dry conditions, recording no precipitation and a humidity level of 71%. In contrast, September experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 27°C (82°F), averaging 24°C (75°F). Although it remains relatively dry with only 2 mm of precipitation, September has a slightly lower humidity at 70%. For more detailed insights into the climate, you can check Oia weather in September.

In July, the weather is warm and dry, with average temperatures ranging from 22°C (72°F) to a maximum of 28°C (83°F) and no recorded precipitation, making it an ideal month for outdoor activities. In contrast, October brings cooler temperatures, with averages between 16°C (61°F) and 26°C (79°F), along with some rainfall totaling 14 mm over two days, which adds a touch of humidity at 76%. For those interested in experiencing the changing seasons, Oia weather in October offers detailed insights into this transitional month.

In July, the weather is warm and consistently pleasant, with average temperatures ranging from a mild 22°C (72°F) to a maximum of 28°C (83°F) and no recorded precipitation. The humidity sits at a comfortable 71%, making it an ideal time for outdoor activities. In contrast, November brings cooler temperatures, with averages ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F). This month also sees an increase in precipitation, averaging 41 mm (1.6 in) over about five days, coupled with a slightly higher humidity level of 77%. For more details on the November weather, you can check Oia weather in November.

July offers warm and sunny weather, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F) and an average of 25°C (77°F). With no recorded precipitation and a humidity level of 71%, it is an ideal time for outdoor activities. In contrast, December presents a cooler climate, where temperatures range from a low of 10°C (50°F) to a high of 20°C (68°F), averaging 15°C (60°F). This month experiences 72 mm (2.8 in) of rainfall over 12 days, contributing to a higher humidity of 78%. For more details on the weather conditions in December, you can visit Oia weather in December.

Compare Oia's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Oia

July in Oia basks in sunny days and pleasantly warm temperatures, setting it apart from cooler months that may bring occasional rain and cloud cover. With an average temperature hovering around 25°C (77°F) and no precipitation, this month promises uninterrupted sunshine ideal for exploring the stunning landscape and crystal-clear waters. The humidity at 71% adds a touch of warmth, creating a comfortable atmosphere for outdoor activities and leisurely strolls through the charming streets. For a deeper dive into what Oia has to offer throughout the year, visit Oia Climate.