Last updated: August 21, 2025
In August, the charming island of Ios, Greece, basks in warm Mediterranean sunshine, with maximum temperatures reaching a delightful 29°C (85°F) and an average of 25°C (77°F), perfect for beachgoers and outdoor enthusiasts alike. The weather remains pleasantly warm, with a minimum temperature of 22°C (72°F) ensuring comfortable evenings. Rain is a rare occurrence this month, with only 1 mm (0.0 in) of precipitation recorded and no rainy days, allowing visitors to fully embrace the stunning natural beauty and vibrant culture without disruption. Humidity levels stand at 66%, contributing to the lush greenery of the island while still providing a satisfying warmth that complements the overall summer experience. Enjoy blissful days filled with sun and adventure on Ios!
In August, Ios, Greece, reaches the zenith of its summer warmth, boasting a delightful range of temperatures that invite sun-seekers and beach lovers alike. With a minimum temperature of 22°C (72°F) and an average of 25°C (77°F), the island offers a perfect backdrop for relaxation. The maximum temperature peaks at 29°C (85°F), ensuring that days spent lounging on pristine beaches or exploring charming villages are filled with sunny, balmy weather. As August follows the progressively warming trend of summer, it marks a time when evenings stay pleasantly warm, perfect for starlit dinners by the sea. Overall, this month encapsulates the essence of a vivid, lively summer, making it an ideal time for visitors to savor the vibrant spirit of Ios.
In August, Ios, Greece, typically experiences a near-total absence of rainfall, recording just 1 mm, which equates to virtually negligible moisture—the first month of complete dryness since July. This pattern is characteristic of the peak summer season, where the island basks in sunshine and warmth, reflecting a stark contrast to the dampness of the preceding January with its 88 mm of precipitation over 12 days. As the temperatures rise, rainfall dwindles dramatically, leading up to almost four months of dry days by August. This trend sets the stage for a vibrantly sunny holiday season, making it a popular destination for sun-seekers and beach lovers alike.
In August, humidity in Ios, Greece drops to a comfortable 66%, marking the lowest point of the year. This decline follows a gradual decrease from a relatively humid 81% in May, down to 71% in July. The summer months generally experience decreasing humidity levels, providing a more pleasant atmosphere for visitors looking to enjoy the warm, sunny beaches. As the season transitions into autumn, September sees a slight uptick to 70%, but overall, the trend indicates that August stands out as a peak time for enjoying Ios's crisp, refreshing air. This seasonal shift enhances the island's allure for vacationers seeking to escape the heat without the burden of oppressive humidity.
In August, Ios, Greece, experiences a consistently high UV Index of 10, categorizing it as very high. This means sun exposure can lead to skin burns in just 15 minutes, aligning with the peak summer months where sun intensity is at its maximum. Notably, this month maintains the same UV Index level as July, indicating that sun safety should remain a priority for both residents and visitors. As the summer progresses, precautions such as wearing sunscreen and seeking shade become essential. As summer begins to fade, the UV Index slightly decreases in September to 8, but it still falls under the very high category. For those planning to visit or spend time outdoors, understanding the Ios UV Index can help ensure a safe and enjoyable experience.
UV Risk Categories
August in Ios, Greece, is a radiant tapestry of sunshine, boasting an impressive 397 hours of daylight. This month, while slightly lower than July's peak of 425 hours, still showcases the island's abundant summer light, creating the perfect backdrop for sun-soaked adventures and breathtaking sunsets. The gradual decline in sunshine hours as summer shifts into autumn begins in August, following a steady upward trend from the 215 hours in January to the height of summer. The warmth of August invites travelers to bask in its glow, setting the stage for memorable experiences amidst the stunning landscapes of this idyllic Greek island.
When it comes to sunny weather in Ios, Greece, August stands out as the pinnacle of brightness, boasting a remarkable 100% chance of sun. This trend is a reflection of the island's vibrant summer months, where clear skies become increasingly likely as the year progresses. From a modest 44% in January, the probability of sunshine steadily climbs, hitting 92% in June and peaking in July before reaching its zenith in August. Following the summer excitement, the likelihood of sun begins to taper off in September at 94%, but remains favorable as the season transitions. Overall, August not only promises maximum sunshine but encapsulates the essence of a sun-soaked Greek summer, making it the perfect time for outdoor adventures and beach escapades.
In Ios, Greece, August offers a delightful continuation of the summer's bountiful daylight, with around 13 hours of sunshine each day. This month marks a gradual decline from the peak daylight duration experienced in June and July, where residents and visitors enjoyed the full 14 hours. As summer transitions into fall, daylight hours begin to taper off, preparing for the shorter days ahead. Following August, September brings about a noticeable drop to 12 hours, signaling the approach of autumn. Overall, the progression of daylight hours reveals a rhythmic cycle, with Ios basking in long, sun-filled days during the peak summer months, before yielding to the cozy ambiance of fall.
In Ios, Greece, the August winds offer a gentle respite with an average speed of 7.3 m/s (16 mph), slightly calmer than the preceding summer months. This trend of fluctuating winds is notable throughout the year, with January and February consistently experiencing robust breezes at 7.8 m/s (18 mph), but as spring unfolds, the wind begins to mellow, dipping to its lowest in June at 5.1 m/s (11 mph). As summer approaches, the winds pick up again in July at 8.0 m/s (18 mph), only to slightly soften in August before ramping up once more in September at 8.1 m/s (18 mph). The seasonal cycle showcases a dynamic dance of the winds, making Ios a captivating destination for those drawn to its ever-changing breezy climate.
Weather in Ios varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ios, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather is warm and dry, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), accompanied by low humidity at 66% and virtually no precipitation. In contrast, January brings much cooler temperatures, averaging around 13°C (56°F), with minimums dipping to 4°C (39°F) and maximums reaching 20°C (68°F). This winter month experiences significant rainfall, with 88 mm (3.5 in) over approximately 12 days, leading to higher humidity levels at 77%. For more details on January weather conditions, visit Ios weather in January.
August and February present stark contrasts in weather. August boasts warm temperatures, with a minimum of 22°C (72°F) and an average high of 29°C (85°F), creating a vibrant summer atmosphere. In stark contrast, February features cooler temperatures, with a minimum of 7°C (44°F) and an average of 14°C (57°F), reflecting the chill of winter. Precipitation also differs significantly; August experiences virtually no rain with only 1 mm recorded, while February sees considerably more moisture with 57 mm over 8 days. Additionally, February has a higher humidity level of 76% compared to August's 66%, making the air feel noticeably different. For a more detailed look at February weather, visit Ios weather in February.
August and March present contrasting weather patterns, highlighting the differences between the summer and early spring months. In August, the temperature ranges from a mild 22°C (72°F) to a warm 29°C (85°F), boasting an average of 25°C (77°F) and virtually no precipitation, providing plenty of sunny days with a humidity level of 66%. In contrast, March experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 18°C (65°F), averaging 14°C (58°F). This month is considerably wetter, accumulating 42 mm (1.7 in) of rainfall over about 7 days and a higher humidity level of 77%. For more details on March weather, you can check Ios weather in March.
The weather in August is notably warmer than in April, with average temperatures reaching 25°C (77°F) compared to April's cooler average of 16°C (61°F). While August enjoys dry conditions with no recorded precipitation, April sees a little more rainfall, totaling 15 mm (0.6 in) over two days. Additionally, humidity levels are slightly lower in August at 66%, contrasting with April's higher humidity of 77%. For more detailed information about April weather in Ios, you can visit Ios weather in April.
In comparing the weather between August and May, August is notably warmer, with average temperatures ranging from 22°C (72°F) to a maximum of 29°C (85°F), while May experiences cooler temperatures, averaging between 15°C (60°F) and 23°C (74°F). Additionally, August boasts low precipitation with only 1 mm (0.0 in) and no rainy days, whereas May has slightly higher precipitation at 4 mm (0.1 in), also with no rainy days. Humidity levels are higher in May at 81%, compared to August's 66%, making May feel more humid despite the cooler temperatures. For more detailed information, you can visit Ios weather in May.
In comparing the weather between August and June, August tends to be warmer with average temperatures reaching 25°C (77°F), while June averages a cooler 22°C (73°F). The maximum temperatures in August can climb to 29°C (85°F), compared to 27°C (81°F) in June. Notably, August sees much less precipitation with only 1 mm and no rainy days, whereas June experiences 3 mm of rainfall over a single day. Additionally, humidity levels are slightly higher in June at 77%, compared to 66% in August. For a detailed look at June weather, visit Ios weather in June.
The weather in August is quite similar to that of July, with both months experiencing comfortable temperatures. August maintains a minimum and average temperature of 22°C (72°F) and 25°C (77°F), respectively, while the maximum temperature only slightly increases to 29°C (85°F). In comparison, July's maximum is a bit cooler at 28°C (83°F). Both months recorded no precipitation, but August is slightly less humid at 66%, compared to July's 71%. For a deeper look into July's weather, you can refer to this link: Ios weather in July.
August typically boasts warmer temperatures with a minimum of 22°C (72°F) and a maximum reaching 29°C (85°F), while September sees a slight drop, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (81°F). Precipitation remains minimal in both months; however, September does experience a bit more rain with 3 mm (0.1 in) compared to August's negligible 1 mm (0.0 in). Humidity also increases slightly in September, rising to 70% from August's 66%. For more detailed insights, check out Ios weather in September.
In August, the weather is characterized by warm temperatures, with a minimum of 22°C (72°F) and an average of 25°C (77°F), peaking at a maximum of 29°C (85°F). This month typically sees no precipitation, creating a dry and comfortable atmosphere with humidity around 66%. In contrast, October experiences a drop in temperatures, with a minimum of 15°C (60°F) and an average of 21°C (69°F), reaching a maximum of 26°C (79°F). Additionally, October brings increased precipitation levels of 18 mm (0.7 in) over three days, along with higher humidity levels at 76%. This shift in weather highlights a transition from the warm summer heat of August to the cooler, slightly wetter conditions of October. For more detailed information, visit Ios weather in October.
August and November present contrasting weather conditions in Ios. In August, temperatures are warm, with a minimum of 22°C (72°F) and a comfortable average of 25°C (77°F), peaking at 29°C (85°F). The month is notably dry, with no recorded precipitation and a humidity level of 66%. In stark contrast, November brings cooler temperatures, with a minimum of 12°C (55°F) and an average of 18°C (65°F), reaching a maximum of 22°C (73°F). Additionally, November experiences more frequent rain, accumulating 48 mm (1.9 in) over six days, and has a higher humidity of 77%. For more details on November weather, check out Ios weather in November.
The weather in August is characterized by warm temperatures, with a minimum of 22°C (72°F) and an average of 25°C (77°F), peaking at a maximum of 29°C (85°F). This month sees little to no rainfall, averaging only 1 mm and experiencing 0 days of precipitation, along with a relative humidity of 66%. In contrast, December brings much cooler conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 15°C (60°F) and a maximum of 20°C (68°F). This month is notably wetter, receiving 82 mm of precipitation over 13 days, and higher humidity levels at 78%. For more specific information on weather patterns during December, you can check Ios weather in December.
As August graces Ios, the island basks in warm temperatures, with average highs around 25°C (77°F), creating an inviting atmosphere perfect for sun-seekers. Unlike other months, August stands out with negligible precipitation, offering zero rain days, allowing visitors to fully immerse themselves in the stunning beaches and vibrant outdoor activities. The humidity remains comfortably high at 66%, contributing to the balmy Mediterranean feel. This blend of warmth and dryness makes August the ideal time to explore all that Ios has to offer. For a deeper dive into seasonal variations, check the full details at Ios Climate.