City break

Athens weather in April

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

97

Holiday weather in April

Excellent

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

Air temperature20°CNight 11°
Sea temperature16.0°Ccold
Sunshine9hrs / dayof 13.1 h daylight
Rainy days5days / month29 mm

What is the weather like in Athens in April?

In April, Athens is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain falls on about 5 days, adding up to 29 mm. All in all, April is an excellent month for a holiday in Athens.

April compared

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

MarchMarAprilAprMayMay
Score789799
Day16°20°26°
Night8°11°16°
Sea15°16°19°
Sun7 h9 h10 h
Rain days755

More details for April

Daylight
13 h 9 min06:51 – 20:00
UV index
8 · very highclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
15 km/haverage daily peak
Cloud cover
42 %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 %97 %
  • Few rainy daysweight 30 %91 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in April

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Athens in April: quick answers

Is Athens hot in April?

No. In April, Athens is mild: daytime highs average 20 °C and nights drop to about 11 °C.

Can you swim in Athens in April?

Only if you don't mind cold water: in April the sea averages just 16.0 °C. Comfortable swimming is possible from June to November.

Does it rain much in Athens in April?

Rain falls on about 5 days, adding up to 29 mm.

Athens 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)