Weather in Mykonos in August 2025
- August is usually the hottest month of the year in Mykonos;
Average weather
Average temperature in Mykonos in August
Going from a maximum of +28°C during the day to a minimum of +24°C during the night, the temperature in August averages around +26°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +26°C to +26°C.
Is Mykonos warm or cold in August?
Mykonos is typically warm in August.
Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes up from +23°C to +24°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Mykonos, here is the comparison with other months:
Water temperature in Mykonos in August
Water in Mykonos in August is Comfortable. It varies from +22°C to +27°C, with an average of +25°C. This is almost similar to the air temperature, which averages +27°C.
The water temperature in August is one of the warmest of the entire year:
Can you swim in Mykonos in August?
Climate in Mykonos in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +27°C | +25°C | ||||
| Min. temperature | ||||||
| +19°C | +20°C | +15°C | ||||
| Max. temperature | ||||||
| +40°C | +38°C | +36°C | ||||
| Rainfall | ||||||
| 0 mm | 1 mm | 4 mm | ||||
| Wind | ||||||
| 7 m/s | 7 m/s | 6 m/s | ||||
| Avg. water temperature | ||||||
| +24°C | +25°C | +23°C | ||||
| Humidity | ||||||
| 69% | 71% | 72% | ||||
| Air pressure | ||||||
| 1009 HPa | 1009 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 30 | 30 | 25 | ||||
| Cloudy days | ||||||
| 0 | 0 | 3 | ||||
| Rainy days | ||||||
| 0 | 0 | 2 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as great as in July. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 0 mm to 1 mm. Humidity rises from 69% to 71%. The average wind speed doesn’t change much during August, staying around 7 m/s. The amount of sunny days stay about the same, averaging 30 sunny days during the month.
September brings much the same weather, it remains great.
Wind
The average wind speed is 6 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Mykonos is gradually decreasing during August, going from 6 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Mykonos?
Climate Change over Years
The climate in Mykonos in August has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+18°C) and the highest in 2021 (+23°C). The driest year was 1989 with only 149 mm of rainfall, and the wettest year was 2003 with 694 mm.
FAQ
Is August a good time to visit Mykonos?
Can you sunbathe in Mykonos in August?
Can you swim in Mykonos in August?
Is Mykonos rainy in August?
Is it sunny in Mykonos in August?
Other cities in Greece
Monthly weather in Mykonos
Source of the data
For this page, we’ve looked at the typical weather in Mykonos, 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.