Piraeus weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: April – May, September – October
What is the weather like in Piraeus in June?
In June, Piraeus is hot: daytime highs average 31 °C, and even at night it stays warm at around 21 °C. The sea averages 22.5 °C – refreshing for a swim. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 13 mm in total. On about 18 days the thermometer climbs to 30 °C or more. All in all, June is a good month for a holiday in Piraeus.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 47 min06:02 – 20:49
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 18 %on averageAll months
- Hot days
- 18 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 50 %52 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Piraeus in June: quick answers
Is Piraeus hot in June?
Yes. In June, Piraeus is hot: daytime highs average 31 °C and nights stay around 21 °C. On about 18 days the thermometer climbs to 30 °C or more.
Can you swim in Piraeus in June?
Yes. In June the sea averages 22.5 °C – refreshing for a swim.
Does it rain much in Piraeus in June?
Rain is rare: about 3 days bring 13 mm in total.
Piraeus month by month
The whole year in PiraeusAll destinations: GreeceWhere to go in JuneSea temperature in June
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