Sun, sea & sand

Mykonos weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

97

Holiday weather in July

Excellent

Best time to visit: June – September

Air temperature26°CNight 24°
Sea temperature23.3°Cpleasant
Sunshine13hrs / dayof 14.5 h daylight
Rainy days0days / month0 mm

What is the weather like in Mykonos in July?

In July, Mykonos is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 23.3 °C – pleasant for swimming. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 35 km/h. All in all, July is an excellent month for a holiday in Mykonos.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score8597100
Day24°26°26°
Night21°24°24°
Sea21°23°24°
Sun13 h13 h12 h
Rain days100

More details for July

Daylight
14 h 31 min06:09 – 20:40
UV index
10 · very highclear sky, noon (estimate)
Muggy days
26 daysdew point 18 °C or more
Wind
35 km/haverage daily peak
Cloud cover
2 %on average
Hot days
0 days30 °C or more
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %90 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Windproof jacket

Mykonos in July: quick answers

Is Mykonos hot in July?

Warm rather than hot: in July, daytime highs in Mykonos average 26 °C and nights cool to about 24 °C.

Can you swim in Mykonos in July?

Yes. In July the sea averages 23.3 °C – pleasant for swimming.

Does it rain much in Mykonos in July?

It hardly ever rains.

Mykonos month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)