April weather forecast
Heraklion, Greece

Enveloping Heraklion in a warm embrace, April marks a significant shift from the preceding months. Sustaining only 30mm (1.18") rainfall, dryness starts to define the weather conditions, setting a distinct departure from March. April is a herald of the upcoming summer, as days grow longer, sunshine hours increase, and sea temperature starts to become inviting. The city's landscape starts to adopt vivid surrounds as flora relishes in the sun's embrace. Moving onto May, anticipate even warmer conditions and longer days.

Temperature

The shift into April in Heraklion is accompanied by a modest temperature increase, with the average high-temperature edging up from a comfortable 16.8°C (62.2°F) in March to an agreeable 20.2°C (68.4°F). In April, the nighttime temperature lowers to an average of 13°C (55.4°F).

Rainfall

In Heraklion, Greece, in April, during 3.4 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Heraklion, there are 53.2 rainfall days, and 501mm (19.72") of precipitation is accumulated.

Sea temperature

In Heraklion, the average seawater temperature in April is 17.1°C (62.8°F).
Note: In water with a temperature of 17.1°C (62.8°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.

Daylight

The average length of the day in April is 13h and 6min.
On the first day of April in Heraklion, sunrise is at 07:05 and sunset at 19:41. On the last day of the month, sunrise is at 06:28 and sunset at 20:04 EEST.

Sunshine

In April, the average sunshine is 7.6h.

UV index

In Heraklion, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 7 during April translates into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.