City break

Thessaloniki weather in June

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

86

Holiday weather in June

Excellent

Best time to visit: April – June, September – October

Air temperature29°CNight 20°
Sea temperature23.3°Cpleasant
Sunshine11hrs / dayof 15.1 h daylight
Rainy days5days / month22 mm

What is the weather like in Thessaloniki in June?

In June, Thessaloniki is hot: daytime highs average 29 °C, and even at night it stays warm at around 20 °C. The sea averages 23.3 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 22 mm in total. On about 11 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Thessaloniki.

June compared

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

MayMayJuneJunJulyJul
Score948671
Day24°29°32°
Night15°20°22°
Sea19°23°26°
Sun9 h11 h12 h
Rain days653

More details for June

Daylight
15 h 4 min05:56 – 21:00
UV index
10 · very highclear sky, noon (estimate)
Muggy days
8 daysdew point 18 °C or more
Wind
15 km/haverage daily peak
Cloud cover
29 %on average
Hot days
11 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 50 %75 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %96 %

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

Thessaloniki in June: quick answers

Is Thessaloniki hot in June?

Yes. In June, Thessaloniki is hot: daytime highs average 29 °C and nights stay around 20 °C. On about 11 days the thermometer climbs to 30 °C or more.

Can you swim in Thessaloniki in June?

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

Does it rain much in Thessaloniki in June?

Rain is rare: about 5 days bring 22 mm in total.

Thessaloniki 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)