14of 31 days
May
Sometimes- Sea
- 18°C
- Visitors
- 28%
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20 summers measured, 2006 to 2025
Mykonos weather, month by month
Wind, sea and visitors from May to October, as they really were.
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- Windiest stretch
- 26 June – 10 September
- Warmest sea
- 24°C in July
- Busiest month
- August
Windy days reaching 5 Beaufort
May to October, at a glance
16of 30 days
June
Often- Sea
- 22°C
- Visitors
- 60%
WindiestWarmest sea
24of 31 days
July
Most days- Sea
- 24°C
- Visitors
- 92%
Busiest
23of 31 days
August
Most days- Sea
- 24°C
- Visitors
- 100%
18of 30 days
September
Often- Sea
- 24°C
- Visitors
- 53%
16of 31 days
October
Often- Sea
- 22°C
- Visitors
- 12%
Each bar is one summer, 2006 to 2025, and the red one is the windiest. A windy day is one that reached 5 Beaufort or more at some point between 10:00 and 20:00. Visitors are compared with the August peak.
No two alike
Twenty summers, one row each
Each row is a summer, each square a week. Darker means more windy days. No two summers match, so the cards above are a typical picture and your week can differ.
29 daysAugust 2017, the windiest
13 daysAugust 2006, the calmest
Check your own dates
Sheltered when it blows
During the windiest stretch, the most sheltered side was the southeast coast, with beaches fit for a swim such as Karapetis and Elia.
Is it windy, month by month
Is Mykonos windy in May?
Sometimes: 14 of the 31 days reached 5 Beaufort or more, averaged over the last 20 summers. It swings a lot from year to year: 7 days in 2019, 18 in 2023. The sea averages 18°C, and visitors reach 28% of the August peak.
Is Mykonos windy in June?
Often: 16 of the 30 days reached 5 Beaufort or more, averaged over the last 20 summers. It swings a lot from year to year: 8 days in 2020, 26 in 2025. The sea averages 22°C, and visitors reach 60% of the August peak.
Is Mykonos windy in July?
Most days: 24 of the 31 days reached 5 Beaufort or more, averaged over the last 20 summers. July is the windiest of these months. Almost all of it comes from the north: the meltemi. It swings a lot from year to year: 15 days in 2011, 31 in 2013. The sea averages 24°C, the warmest of these months, and visitors reach 92% of the August peak.
Is Mykonos windy in August?
Most days: 23 of the 31 days reached 5 Beaufort or more, averaged over the last 20 summers. It swings a lot from year to year: 13 days in 2006, 29 in 2017. The sea averages 24°C, and August is the busiest month.
Is Mykonos windy in September?
Often: 18 of the 30 days reached 5 Beaufort or more, averaged over the last 20 summers. It swings a lot from year to year: 11 days in 2013, 27 in 2011. The sea averages 24°C, and visitors reach 53% of the August peak.
Is Mykonos windy in October?
Often: 16 of the 31 days reached 5 Beaufort or more, averaged over the last 20 summers. It swings a lot from year to year: 8 days in 2020, 22 in 2022. The sea averages 22°C, and visitors reach 12% of the August peak.
How these numbers were measured
A windy day is one that reached 5 Beaufort or more at some point between 10:00 and 20:00. The record comes from ERA5, the European weather archive run by Copernicus, and covers 2006 to 2025. The second figure comes from the METAR reports of Mykonos airport over the same years. An airport is one spot, so neither number alone is the whole island. Sea temperature comes from Copernicus satellite records, 1995 to 2024, about 5 km offshore, so shallow bays run warmer. Visitor figures are official overnight stays for 2024 and 2025, so they leave out day trippers and cruise passengers. These are typical values, not a forecast for any single day.
Other places, same measurements
Typical values, not a forecast. Wind: ERA5, Copernicus, 2006 to 2025, plus the METAR records of Mykonos airport. Sea: Copernicus, 1995 to 2024. Visitors: official overnight stays, 2024 to 2025.