April weather forecast
Heraklion, Greece

Enveloping Heraklion in a warm embrace, April marks a significant shift from the preceding months. Sustaining only 30mm 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

With the onset of April, Heraklion's average high-temperature experiences a slight rise, moving from March's refreshing 16.8°C to a pleasant 20.2°C. During April, Heraklion observes a consistent average nighttime temperature of 13°C.

Rainfall

In April, in Heraklion, the rain falls for 3.4 days. Throughout April, 30mm of precipitation is accumulated. In Heraklion, during the entire year, the rain falls for 53.2 days and collects up to 501mm of precipitation.

Sea temperature

In April, the average sea temperature is 17.1°C.
Note: Swimming in water at 17.1°C is not a pleasing experience for the majority. As the temperature descends from 21°C to 15°C, controlling breathing becomes increasingly hard.

Daylight

In April, the average length of the day is 13h and 6min.
On the first day of April, sunrise is at 07:06 and sunset at 19:40. On the last day of the month, sunrise is at 06:29 and sunset at 20:04 EEST.

Sunshine

The average sunshine in April 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 7 during April translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Boost your sun resistance with garments that are densely woven yet spacious.