August Weather in Skiathos, Greece

Last updated: August 21, 2025

Discover the delightful weather of Skiathos, Greece in August, where the sun-drenched days promise warmth and vitality. With maximum temperatures soaring to 33°C (91°F) and an inviting average of 26°C (79°F), this stunning island is ideal for beach lovers and outdoor enthusiasts alike. Nighttime offers a pleasant retreat with minimum temperatures around 21°C (71°F). Although August sees some occasional rain, with a total precipitation of only 26 mm (1.0 in) over just 2 days, the overall humidity remains a comfortable 51%. Whether basking in the sun or exploring the vibrant surroundings, August in Skiathos presents a perfect Mediterranean experience.

August Temperature in Skiathos

In August, Skiathos basks in the warmth of summer, with temperatures ranging from a comfortable 21°C (71°F) at night to a sultry 33°C (91°F) during the day. This month marks the peak of the island's heat, where the average temperature hovers around 26°C (79°F), inviting sunbathers and adventurers alike to enjoy its stunning beaches and vibrant nightlife. Compared to earlier months, the temperature noticeably rises, moving from a pleasant 25°C (77°F) in July to this summer climax. As the sun shines brighter and days stretch longer, August stands out as a golden opportunity for visitors to experience Skiathos in its prime.

August Weather in Skiathos: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Skiathos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Skiathos, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec515354586573787975676156
Data source: Temperature data for Skiathos 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.

August Precipitation in Skiathos

In August, Skiathos basks in the warmth of summer, with precipitation levels significantly lower than earlier months, registering only 26 mm (1.0 in) across just two days. This trend of decreasing rainfall peaks in the summer months, reaching a low point during August, which sets the stage for sun-soaked beach days and outdoor activities. Following July's modest rains of 58 mm (2.3 in), August's light showers are a welcome change, allowing visitors to revel in the island's stunning landscapes without the interruption of frequent downpours. As summer ebbs into fall, the precipitation does begin to rise again in September, hinting at the seasonal transition ahead.

August Precipitation Trends in Skiathos

The chart displays monthly precipitation patterns in Skiathos, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Skiathos, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11795826231225826628380117
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Skiathos

In August, Skiathos experiences its lowest humidity levels of the year at just 51%, making it an ideal time for sun-seekers and beach lovers to enjoy the warm Mediterranean climate. This significant drop from July's 57% not only enhances comfort but also invites more outdoor activities without the heavy air. As the summer progresses from January's high of 82%, the gradual decline in humidity reveals a transition from the cooler, damp winter months to the dry, sunny days of summer. With September seeing a slight increase back to 58%, it’s clear that while August offers a brief respite from humidity, the overall trend suggests a shift toward drier and more pleasant summer experiences on this beautiful Greek island.

August Average Humidity in Skiathos

This chart illustrates the average monthly humidity levels in Skiathos, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Skiathos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%76%70%71%61%57%51%58%73%79%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Skiathos

In August, Skiathos, Greece, experiences a consistently high UV Index of 10, categorized as very high, which means sun protection is crucial for enjoying the beautiful summer days. With a swift burn time of just 15 minutes, visitors should be diligent about applying sunscreen and seeking shade to prevent sunburn. This trend of elevated UV levels, peaking in both July and August, underscores the necessity for caution during the height of summer, while later months like September see a slight decrease to an Index of 8. As the season transitions into autumn, the UV Index gradually lowers, but the early months of the year remain comparatively mild, with a much lower risk of sun exposure. To learn more about the UV Index throughout the year, visit Skiathos UV Index.

Maximum UV Index Levels in Skiathos for August

The chart shows the monthly maximum UV Index (UVI) for Skiathos in August, 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 August, the maximum UV index in Skiathos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108643
Data source: Skiathos August 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.

August Sunshine in Skiathos

August in Skiathos, Greece, typically showcases a delightful continuation of summer, boasting 397 hours of vibrant sunshine. Following July's peak of 426 hours, the weather remains warm and inviting as the island basks in the lazy, sun-soaked days of late summer. This month reflects a gradual decline in sunshine hours, yet it still stands out as one of the sunniest periods of the year, complemented by the lush landscapes and scenic beaches. As summer transitions to the milder autumn, the pleasant vestiges of August offer the perfect opportunity for travelers to immerse themselves in the island's beauty, making it an ideal time to explore before the sun dips into September's 346 hours.

Monthly Sunshine Duration in Skiathos: August Highlighted

The August sunshine duration represents the total number of hours Skiathos experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec187h240h321h343h402h409h426h397h346h306h252h234h
Data source: Skiathos August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Skiathos During August

In Skiathos, Greece, August consistently brings a high likelihood of sunshine, boasting an impressive 90% chance of clear, sun-drenched days. This pattern aligns with the peak summer months, where July and August shine the brightest at 90%, setting the stage for perfect beach weather and vibrant outdoor activities. As summer progresses, the likelihood of sunny days increases dramatically from 67% in May to 71% in June, culminating in the sunny splendor of mid-summer. Following August, September sees a drop to 64%, but still offers ample opportunities for sun seekers. With such reliably sunny weather, August is undoubtedly an ideal time to bask in the beauty of this Greek paradise!

Percentage of Sunny Days in August in Skiathos

The chart illustrates the percentage of sunny days in Skiathos throughout the year, with August 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 Skiathos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%56%50%52%67%71%90%90%64%41%34%47%
Data source: Skiathos August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Skiathos in August

In August, Skiathos basks in a generous 13 hours of daylight, offering ample opportunity to soak in the sun and enjoy the stunning landscapes. This month marks a slight dip from the peak 14 hours experienced in the summer months of June and July, signaling a gentle transition towards fall. As daylight gradually diminishes, the island still pulses with vibrant energy, perfect for late summer adventures. September will bring 12 hours of light, but for those seeking the sun-drenched joys of late summer, August remains a highlight in Skiathos's sun-soaked calendar.

Average Daylight Hours in Skiathos for August

The chart illustrates the variation in daylight duration in Skiathos throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 45m10h 43m11h 57m13h 14m14h 19m14h 51m14h 34m13h 37m12h 24m11h 7m10h 1m9h 27m
Data source: Skiathos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Skiathos

In August, the winds in Skiathos, Greece begin to pick up slightly after the calmer summer months, averaging 3.9 m/s (9 mph). This gentle breeze offers a pleasant respite from the heat, making seaside strolls and outdoor activities more enjoyable. Remarkably, August's wind speeds are part of a trend of increasing winds towards the end of summer, as they rise from the lowest point in June at 3.1 m/s (7 mph). As the summer rolls into autumn, September sees an increase to 5.4 m/s (12 mph), signaling a shift toward stronger winds. Therefore, August serves as a transition, maintaining the summer's warmth while hinting at the brisk conditions that lie ahead. This combination not only enhances the beauty of the island but also creates an invigorating atmosphere perfect for exploration.

Average August Wind Speed in Skiathos

The chart displays monthly wind speed patterns in Skiathos, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.05.85.84.64.13.13.53.9 m/s5.46.65.47.4
Data source: Skiathos August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Skiathos Compares to Other Months

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

August and January present strikingly different weather conditions. In August, temperatures generally range from a mild 21°C (71°F) to a warm 33°C (91°F), with an average around 26°C (79°F). The month sees minimal rainfall, with only 26 mm (1.0 in) over about 2 days, and a relatively moderate humidity of 51%. In contrast, January experiences much cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 18°C (64°F), averaging just 11°C (52°F). This winter month is characterized by significantly higher precipitation, totaling 117 mm (4.6 in) spread across approximately 12 days, along with elevated humidity levels at 82%. For more detailed insights on January weather, check out Skiathos weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures are warm, with a minimum of 21°C (71°F), an average of 26°C (79°F), and a maximum that can reach up to 33°C (91°F). The month experiences relatively low precipitation at just 26 mm (1.0 in) over two days, along with a moderate humidity of 51%. In contrast, February sees cooler temperatures, with a minimum of 4°C (39°F), an average of 12°C (54°F), and a maximum of 17°C (64°F). This winter month is much wetter, receiving 95 mm (3.7 in) of rainfall over ten days, and features higher humidity levels at 78%. To learn more about the weather during February, you can visit Skiathos weather in February.

August and March present stark contrasts in weather. In August, temperatures range from a minimum of 21°C (71°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F) and only light precipitation of 26 mm (1.0 in) over just 2 days, resulting in a relatively dry and warm climate with 51% humidity. In contrast, March experiences much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 19°C (66°F), averaging 12°C (55°F). This month sees significantly higher precipitation at 82 mm (3.2 in) across 9 days, alongside increased humidity levels at 76%. For those interested in a more detailed forecast, you can check out Skiathos weather in March.

When comparing the weather in August to that in April, the differences are quite pronounced. August boasts much warmer temperatures, with an average of 26°C (79°F) and highs reaching up to 33°C (91°F), while April offers a cooler climate, averaging just 14°C (58°F) with maximums of 21°C (69°F). Additionally, April experiences significantly more precipitation, averaging 62 mm (2.4 in) over six days, compared to August’s lighter rainfall of only 26 mm (1.0 in) over two days. Humidity levels also vary, with August being less humid at 51% compared to April’s 70%. For a more detailed look at what to expect, visit Skiathos weather in April.

When comparing the weather in August and May, it becomes evident that August is significantly warmer and drier. In August, temperatures range from a minimum of 21°C (71°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F) and only two days of light precipitation totaling 26 mm (1.0 in). In contrast, May experiences cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 25°C (77°F), averaging at 18°C (65°F). Additionally, May sees slightly more precipitation, accumulating 31 mm (1.2 in) over four days, and has higher humidity levels at 71%. For more details, you can check Skiathos weather in May.

In comparing the weather between June and August, August presents warmer temperatures with a minimum of 21°C (71°F) and an average of 26°C (79°F), compared to June's minimum of 15°C (60°F) and average of 23°C (73°F). The maximum temperature in August reaches 33°C (91°F), while June peaks at a milder 29°C (85°F). Both months experience similar levels of precipitation, with August receiving 26 mm (1.0 in) and June slightly less at 22 mm (0.9 in), and both months see rain on only 2 days. Humidity is somewhat higher in June at 61%, compared to 51% in August, contributing to a more comfortable feel during the earlier summer month. For more details, you can check out Skiathos weather in June.

In comparing the weather between July and August, we observe that August tends to be slightly warmer, with average temperatures rising from 25°C (78°F) in July to 26°C (79°F) in August. The maximum temperature also increases to 33°C (91°F) in August, compared to July's peak of 32°C (89°F). Additionally, while both months saw precipitation on two days, August received significantly less rainfall at 26 mm (1.0 in) compared to July's 58 mm (2.3 in). Humidity levels remain relatively high, but are slightly lower in August at 51%, compared to 57% in July. For further details on July's weather specifics, you can visit Skiathos weather in July.

August and September present a noticeable transition in weather patterns. August is characterized by warmer temperatures, with minimums around 21°C (71°F) and maximums reaching up to 33°C (91°F), along with relatively low humidity at 51%. Precipitation during this month is minimal, averaging just 26 mm (1.0 in) over 2 days. In contrast, September sees a drop in average temperatures, with a minimum of 17°C (63°F) and a maximum of 29°C (84°F). Humidity increases to 58%, and precipitation rises significantly to 62 mm (2.5 in) over 4 days. This change marks a shift towards cooler, wetter weather as summer transitions into autumn. For more detailed insights, you can check Skiathos weather in September.

August offers warm temperatures, with an average of 26°C (79°F) and maximums reaching up to 33°C (91°F). The month is relatively dry, experiencing only 26 mm (1.0 in) of precipitation over just 2 days, accompanied by a comfortable humidity level of 51%. In contrast, October sees a noticeable drop in temperature, averaging 20°C (68°F) and peaking at 26°C (79°F). This month experiences significantly more rainfall, totaling 83 mm (3.3 in) across 8 days, and higher humidity levels at 73%. For more details on October weather, you can check Skiathos weather in October.

August and November present stark contrasts in weather conditions. In August, the temperatures are notably warm, ranging from a minimum of 21°C (71°F) to a maximum of 33°C (91°F), accompanied by relatively low humidity at 51% and only 26 mm (1.0 in) of precipitation over just 2 days. In contrast, November sees much cooler temperatures, with averages dropping to a comfortable 16°C (62°F) and humidity rising significantly to 79%. This month experiences more frequent rainfall, totaling 80 mm (3.1 in) over 11 days. For those interested in what to expect during this cooler month, more details can be found Skiathos weather in November.

August and December present strikingly different weather conditions. In August, temperatures are warm, with a minimum of 21°C (71°F) and a maximum of 33°C (91°F), accompanied by relatively low humidity at 51%. Precipitation is minimal, averaging just 26 mm (1.0 in) over only 2 days. In contrast, December brings much cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 19°C (67°F). It's also significantly wetter, with total precipitation reaching 117 mm (4.6 in) across 11 days and higher humidity at 81%. For more details on December's climate, you can check Skiathos weather in December.

Compare Skiathos's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Skiathos

As summer peaks, August in Skiathos boasts warmer temperatures that reach a delightful maximum of 33°C (91°F), making it a perfect time for sun-lovers and beach enthusiasts. Unlike the slightly cooler months of June and July, the average warmth remains invitingly high, with minimal rainfall—only about 26 mm across just two days—allowing for more time under the sun. The humidity sits at a pleasant 51%, ensuring warm evenings that are ideal for strolls along the stunning coastline. With beautiful weather and dry days, August truly embodies the essence of a Greek summer, setting it apart from the rest of the year. For more on what to expect throughout the seasons, be sure to check out Skiathos Climate.