Thessaloniki weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Excellent
Best time to visit: April – June, September – October
What is the weather like in Thessaloniki in April?
In April, Thessaloniki is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sea averages 15.1 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 42 mm. All in all, April is an excellent month for a holiday in Thessaloniki.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 15 min06:51 – 20:06
- UV index
- 7 · highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 48 %on average
- Hot days
- 0 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 %100 %
- Sunshineweight 20 %80 %
- Few rainy daysweight 30 %78 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Thessaloniki in April: quick answers
Is Thessaloniki hot in April?
No. In April, Thessaloniki is mild: daytime highs average 19 °C and nights drop to about 10 °C.
Can you swim in Thessaloniki in April?
Only if you don't mind cold water: in April the sea averages just 15.1 °C. Comfortable swimming is possible from June to October.
Does it rain much in Thessaloniki in April?
Rain falls on about 7 days, adding up to 42 mm.
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)