April weather forecastHeraklion, Greece

April
Weather in April
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Heraklion, Greece
- Average high temperature in April: 20.2°C
The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (15.2°C).
- Average low temperature in April: 13°C
The months with the highest average low temperature are July and August (22.7°C).
The coldest months (with the lowest average low temperature) are January and February (10°C).
Average rainfall in April
Heraklion, Greece
- Average rainfall in April: 30mm
The wettest month (with the highest rainfall) is January (91.5mm).
The driest month (with the least rainfall) is August (0.7mm).
Average rainfall days in April
Heraklion, Greece
- Average rainfall days in April: 3.4 days
The month with the highest number of rainy days is January (10.1 days).
The months with the least rainy days are July and August (0.1 days).
Average sea temperature in April
Heraklion, Greece
- Average sea temperature in April: 17.1°C
The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (16.4°C).
Average daylight in April /
Average sunshine in April
Heraklion, Greece
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average UV index in April
Heraklion, Greece
- Average UV index in April: 7
The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).





