Sun, sea & sand

Oia weather in June

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

87

Holiday weather in June

Excellent

Best time to visit: June – September

What is the weather like in Oia in June?

In June, Oia is warm: daytime highs average 24 °C, and even at night it stays warm at around 21 °C. The sea averages 22.1 °C – refreshing for a swim. With around 11 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 29 km/h. All in all, June is an excellent month for a holiday in Oia.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score558799
Day20°24°26°
Night17°21°23°
Sea19°22°24°
Sun10 h11 h11 h
Rain days200

More details for June

Daylight
14 h 38 min06:00 – 20:37
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
17 daysdew point 18 °C or moreAll months
Wind
29 km/haverage daily peakAll months
Cloud cover
7 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %83 %
  • Seaweight 25 %73 %
  • 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 June

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Insect repellent
  • Windproof jacket

Oia in June: quick answers

Is Oia hot in June?

Warm rather than hot: in June, daytime highs in Oia average 24 °C and nights cool to about 21 °C.

Can you swim in Oia in June?

Yes. In June the sea averages 22.1 °C – refreshing for a swim.

Does it rain much in Oia in June?

It hardly ever rains.

Oia 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