Weather in Skiathos in August 2025
- August is usually the hottest month of the year in Skiathos;
Average weather
Average temperature in Skiathos in August
Going from a maximum of +90°F during the day to a minimum of +75°F during the night, the temperature in August averages around +84°F.
The average maximum temperature goes up 25% by the end of the month, compared with the beginning of the month, from +82°F to +86°F.
Is Skiathos warm or cold in August?
Skiathos is typically warm in August.
Maximum temperatures go up compared to the previous month from +81°F to +81°F. The minimum temperature also goes up from +75°F to +77°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Skiathos, here is the comparison with other months:
Water temperature in Skiathos in August
Water in Skiathos in August is Warm. It varies from +76°F to +83°F, with an average of +80°F. This is almost similar to the air temperature, which averages +81°F.
The water temperature in August is one of the warmest of the entire year:
Can you swim in Skiathos in August?
Climate in Skiathos in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +81°F | +81°F | +75°F | ||||
| Min. temperature | ||||||
| +66°F | +64°F | +61°F | ||||
| Max. temperature | ||||||
| +97°F | +95°F | +91°F | ||||
| Rainfall | ||||||
| 19 mm | 22 mm | 52 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +79°F | +80°F | +76°F | ||||
| Humidity | ||||||
| 64% | 65% | 69% | ||||
| Air pressure | ||||||
| 1011 HPa | 1011 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 25 | 24 | 16 | ||||
| Cloudy days | ||||||
| 1 | 1 | 5 | ||||
| Rainy days | ||||||
| 5 | 6 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as great as in July. The temperature levels stay the same in the area of +81°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 19 mm to 22 mm. Humidity rises from 64% to 65%. The average wind speed doesn’t change much during August, staying around 2 m/s. The days becoming less sunny, going from 25 sunny days in July to 24 in August.
Next month (September) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Skiathos is gradually increasing during August, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Skiathos?
Climate Change Over the Years
The climate in Skiathos in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1991 (+64°F) and the highest in 2020 (+70°F). The driest year was 1992 with only 345 mm of rainfall, and the wettest year was 1994 with 974 mm.
FAQ
Is August a good time to visit Skiathos?
Can you sunbathe in Skiathos in August?
Can you swim in Skiathos in August?
Is Skiathos rainy in August?
Is it sunny in Skiathos in August?
Other cities in Greece
Monthly weather in Skiathos
Source of the data
For this page, we’ve looked at the typical weather in Skiathos, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.