Sun, sea & sand

Ýdra weather in July

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

99

Holiday weather in July

Excellent

Best time to visit: June – September

What is the weather like in Ýdra in July?

In July, Ýdra is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 25.4 °C – pleasant for swimming. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 22 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Ýdra.

July compared

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

JuneJunJulyJulAugustAug
Score9599100
Day28°31°31°
Night22°25°25°
Sea23°25°26°
Sun12 h12 h11 h
Rain days211

More details for July

Daylight
14 h 31 min06:17 – 20:47
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
14 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
6 %on averageAll months
Hot days
22 days30 °C or moreAll months
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %97 %
  • Seaweight 25 %100 %
  • 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
  • Water bottle – drink plenty

Ýdra in July: quick answers

Is Ýdra hot in July?

Yes. In July, Ýdra is hot: daytime highs average 31 °C and nights stay around 25 °C. On about 22 days the thermometer climbs to 30 °C or more.

Can you swim in Ýdra in July?

Yes. In July the sea averages 25.4 °C – pleasant for swimming.

Does it rain much in Ýdra in July?

It hardly ever rains.

Ýdra 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, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences