Thessaloniki weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: April – June, September – October
What is the weather like in Thessaloniki in July?
In July, Thessaloniki is hot: daytime highs average 32 °C, and even at night it stays warm at around 22 °C. The sea averages 26.0 °C – lovely and warm for swimming. With around 12 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 19 mm in total. On about 23 days the thermometer climbs to 30 °C or more. All in all, July is a good month for a holiday in Thessaloniki.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 50 min06:09 – 20:59
- UV index
- 9 · very highclear sky, noon (estimate)
- Muggy days
- 14 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 16 %on average
- Hot days
- 23 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 %41 %
- 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 July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Thessaloniki in July: quick answers
Is Thessaloniki hot in July?
Yes. In July, Thessaloniki is hot: daytime highs average 32 °C and nights stay around 22 °C. On about 23 days the thermometer climbs to 30 °C or more.
Can you swim in Thessaloniki in July?
Yes. In July the sea averages 26.0 °C – lovely and warm for swimming.
Does it rain much in Thessaloniki in July?
Rain is rare: about 3 days bring 19 mm in total.
Thessaloniki month by month
The whole year in ThessalonikiAll destinations: Greece
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)