Last updated: August 21, 2025
Experience the delightful August weather in Kos, Greece, where the sun shines brightly and the days are warm. Expect maximum temperatures reaching up to 30°C (87°F), with a pleasant average of 26°C (79°F), providing the perfect backdrop for summer activities. Evenings are mild with minimum temperatures around 23°C (74°F). With no precipitation recorded throughout the month and humidity levels at a comfortable 66%, you can enjoy uninterrupted sunshine and serene beach days. Whether you're exploring charming villages or lounging by the sea, August in Kos offers a perfect Mediterranean escape.
August in Kos, Greece, heralds the peak of summer, where the temperatures soar and the days are drenched in warm sunshine. With a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), visitors can expect balmy days perfect for beach outings and outdoor adventures. The maximum temperature typically reaches 30°C (87°F), creating an inviting atmosphere for sunbathing and exploring the island’s historical sites. As the hottest month of the year, August showcases a seamless transition from the slightly cooler months of June and July, making it an ideal time for vacationers seeking sun-soaked days and warm Mediterranean nights.
In August, Kos, Greece enjoys a remarkably dry climate, with precipitation at a complete standstill—recording 0 mm of rainfall across the month. This dry spell follows a pattern established in July, making the summer months particularly arid, ideal for beachgoers seeking sun-soaked days. The trend of scant rainfall during the peak summer season starkly contrasts with the wetter months of January and December, where precipitation often exceeds 190 mm. As fall approaches, September marks a slight uptick with 4 mm of rain, hinting at the transition back to the wetter months, but for August, residents and visitors alike can relish in the uninterrupted sunshine and vibrant, warm days.
August in Kos, Greece, marks the peak of summer, characterized by pleasantly low humidity levels at 66%. This significant dip follows the July humidity of 71%, creating a welcome respite from the early summer heat. As the season progresses from the spring months, where humidity levels hovered around 77-81%, August offers a clearer, drier atmosphere, perfect for beachgoers and outdoor enthusiasts. Following this trend, humidity begins to rise again in September at 70%, hinting at the gradual transition into the milder autumn months. The overall pattern indicates that while the island is typically humid, August's lower levels are a seasonal highlight, enhancing the allure of this beautiful destination.
In August, Kos, Greece, experiences a peak UV Index of 10, categorized as very high, maintaining the intensity seen in the previous summer months of June and July. This consistent level of UV exposure means sunbathers should be cautious, with a burn time of just 15 minutes for unprotected skin. The trend from earlier in the year shows a clear transition from moderate levels in winter to a significant rise during the summer, emphasizing the importance of sun protection during these sun-soaked days. As you plan your time outdoors, remember to check the details at Kos UV Index to keep your skin safe while enjoying the beautiful Mediterranean sun.
UV Risk Categories
In August, Kos, Greece, basks in a majestic 396 hours of sunshine, capturing the essence of summer's final flourish. This month experiences a slight dip from July's peak of 424 hours, but it remains one of the sunniest times of the year, ensuring plenty of bright days for visitors. June and July lead the way in sunlight hours, creating a vibrant atmosphere perfect for exploring the island's stunning beaches and rich history. As summer transitions into fall, September retains a generous 349 hours, hinting at the lingering warmth before the sun gradually wanes in the months ahead. Overall, the sunny trend beautifully illustrates Kos as a year-round destination, where sunshine is always just around the corner.
In August, Kos, Greece truly shines with a remarkable 99% chance of sunny weather, making it one of the sunniest months in the year. This trend follows a steady increase in sunshine from earlier months, with June and July already boasting impressive rates of 94% and 98%, respectively. As summer reaches its peak, the sunny allure invites travelers to bask in the warm Mediterranean climate, soak up the stunning landscapes, and enjoy the vibrant local culture. With such high likelihoods of clear skies, August is undeniably an ideal time for sun-seekers eager to experience all that this beautiful island has to offer.
In Kos, Greece, the daylight duration ebbs and flows throughout the year, painting a vivid picture of seasonal change. Starting the year with a modest 9 hours in January, daylight begins to stretch as spring approaches, reaching 11 hours by March and blossoming into the longer days of summer with a peak of 14 hours from May to July. As August arrives, the sun begins to set a bit earlier, with daylight decreasing to 13 hours, hinting at the gradual transition toward autumn. September and beyond experience a steady decline, culminating in 10 hours by November, reminding visitors of the cyclical nature of time in this beautiful Mediterranean paradise.
In August, the winds in Kos, Greece maintain a gentle yet invigorating presence, averaging 7.6 m/s (17 mph). This serene breeze is consistent with the summer months, where the wind speeds range just above the lower averages seen in May and October. The trend reveals a noticeable dip in wind velocity during the peak of summer, with May experiencing the lightest breezes at 5.9 m/s (13 mph), before recovering in the warmer months of June and July. As the summer sun bathes the island, the August winds provide a refreshing escape, enhancing the lively atmosphere of this idyllic destination while signaling the gradual approach of autumn with a slight decline in wind speed toward September.
Weather in Kos varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kos, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January offer contrasting weather experiences. In August, temperatures soar with a minimum of 23°C (74°F) and an average high of 30°C (87°F), accompanied by low humidity at 66% and no recorded precipitation. This makes it an ideal month for sunbathing and outdoor activities. In stark contrast, January brings cooler conditions with a minimum temperature of 5°C (41°F) and an average maximum of just 18°C (66°F). This month also sees significant rainfall, totaling 193 mm (7.6 in) over about 14 days, contributing to a higher humidity level of 77%. For more detailed insights, you can visit Kos weather in January.
August and February present strikingly contrasting weather conditions. In August, temperatures soar, with a minimum of 23°C (74°F) and an average of 26°C (79°F), reaching a maximum of 30°C (87°F). This month is characterized by dry weather, featuring no rainfall and a humidity level of 66%. In stark contrast, February experiences much cooler temperatures, with a minimum of 4°C (40°F) and an average of 14°C (57°F), peaking at 18°C (66°F). This winter month is notably wet, receiving an impressive 108 mm (4.2 in) of precipitation over 11 days, and a humidity level of 76%. For more detailed insights, you can check out Kos weather in February.
August and March present contrasting weather experiences. In August, temperatures are warm, with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at 30°C (87°F), while the month boasts no precipitation and moderate humidity at 66%. In sharp contrast, March features cooler temperatures, ranging from a minimum of 4°C (40°F) to an average of 14°C (58°F) and a maximum of 18°C (65°F). This month also brings considerable rainfall, with 95 mm (3.7 in) of precipitation over approximately 8 days, alongside a higher humidity level of 77%. For a closer look at specific conditions, check out Kos weather in March.
In August, the weather is considerably warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F) and an average temperature of 26°C (79°F). This month is characterized by dry conditions, recording no precipitation and an average humidity of 66%. In contrast, April offers a much cooler climate, with temperatures ranging from a low of 9°C (49°F) to a high of 22°C (71°F), averaging at 16°C (62°F). April experiences more rainfall, with 36 mm (1.4 inches) of precipitation spread over 5 rainy days and a higher humidity level of 77%. For more details, check out the comprehensive information available at Kos weather in April.
In August, the weather is distinctly warmer, with minimum temperatures reaching 23°C (74°F) and average highs climbing to around 30°C (87°F), while there is virtually no rainfall and humidity levels are at 66%. In contrast, May features milder temperatures, with lows of 15°C (60°F) and highs of 24°C (76°F), alongside some precipitation of 7 mm (0.3 in) over two days and higher humidity at 81%. This makes May a more varied month in terms of weather conditions compared to the hot and dry climate of August. For more detailed information, you can visit Kos weather in May.
In comparing the weather of June and August, August emerges as the warmer month, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), while June's temperatures are cooler, with a minimum of 16°C (62°F) and a maximum of 29°C (84°F). August enjoys dry conditions with no recorded precipitation, whereas June sees some rainfall, averaging 6 mm over just one day. Additionally, humidity levels are slightly lower in August at 66%, compared to June's higher humidity of 77%. For more specific details about June weather, you can check this link: Kos weather in June.
In comparing the weather of August and July, both months showcase warm temperatures, but August tends to be slightly warmer overall. August features a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), while July has a slightly cooler minimum of 22°C (72°F) and an average of 25°C (78°F). Both months experience a maximum temperature of 30°C (86°F in July and 87°F in August), and neither month sees any precipitation, with 0 mm recorded for both. However, humidity levels are a bit higher in July at 71%, compared to 66% in August. For more detailed weather insights, you can visit Kos weather in July.
In August, the weather is typically warm with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), and average humidity at 66%. This month experiences dry conditions with no recorded precipitation. In contrast, September sees slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 28°C (84°F), alongside a bit of rainfall, totaling 4 mm over just one day. The humidity in September increases to 70%, giving it a slightly different feel compared to the dry heat of August. For more detailed information, you can visit Kos weather in September.
August and October exhibit notable contrasts in weather characteristics. In August, temperatures are warm with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at a maximum of 30°C (87°F). This month is typically dry, showcasing no recorded precipitation and maintaining a moderate humidity level of 66%. In comparison, October sees cooler temperatures, with a minimum of 15°C (59°F) and an average of 21°C (71°F), reaching a maximum of 25°C (78°F). This month also experiences more rainfall, with 57 mm (2.2 in) over approximately 4 days, along with increased humidity at 76%. For more details, visit Kos weather in October.
August and November present quite contrasting weather patterns. In August, temperatures are warm and stable, with an average of 26°C (79°F) and highs reaching up to 30°C (87°F). This month is characterized by dry conditions, with no recorded precipitation and moderate humidity levels at 66%. In stark contrast, November experiences a significant drop in temperature, averaging 19°C (66°F), with a maximum of 23°C (74°F) and a minimum of 11°C (52°F). Additionally, November is much wetter, with 123 mm (4.8 in) of rain spread over 9 days, accompanied by higher humidity at 77%. For more detailed information, check out Kos weather in November.
August and December present striking contrasts in weather. August boasts warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), reaching highs of 30°C (87°F). This month typically experiences dry conditions, with no recorded precipitation and moderate humidity at 66%. In contrast, December sees much cooler temperatures, with lows of 8°C (47°F) and an average of just 15°C (60°F), peaking at 20°C (69°F). This month is also characterized by significant rainfall, with 237 mm (9.3 in) over about 15 days, along with higher humidity at 78%. For more specific information about December weather, visit Kos weather in December.
August in Kos brings ideal summer conditions, distinguished by warm, sun-filled days and a delightful lack of precipitation. With temperatures consistently hovering around a pleasant 26°C (79°F), the island invites visitors to bask in its golden sun, making it a prime time for beach outings and outdoor adventures. This month stands out from the rest, as humidity is relatively moderate at 66%, ensuring comfort without the muggy heaviness often experienced in other summer months. For those looking to make the most of their summer getaway, August is the perfect time to explore the beauty of Kos, seamlessly blending warmth with idyllic weather. For more details on what to expect throughout the year, check out Kos Climate!