June weather forecast
Heraklion, Greece

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The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece
The Venetian walls and the Castle of Koule in the shipyards at Heraklion, Greece

Weather in June

In Heraklion, June establishes the advent of summer with soaring temperatures and an abundance of sunshine. It is the first month when the temperatures go notably high, reaching an average high of 27.3°C (81.1°F). Compared to May, rainfall becomes rare, with June being one of the driest months. Beach days become increasingly popular, with sea temperatures reaching favorable levels. As the city transitions into July, be prepared for the height of summer with climbing temperatures.

Temperature

The arrival of June in Heraklion introduces a minor uplift in high-temperatures, adjusting from 23.5°C (74.3°F) in May to a still warm 27.3°C (81.1°F). During the nights in June, Heraklion observes an average low-temperature of 20°C (68°F).

Rainfall

In Heraklion, in June, during 0.5 rainfall days, 3mm (0.12") of precipitation is typically accumulated. Throughout the year, there are 53.2 rainfall days, and 501mm (19.72") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature is 22.9°C (73.2°F).
Note: People sensitive to cold might find swimming in 22.9°C (73.2°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.

Daylight

The month with the longest days in Heraklion is June, with an average of 14h and 30min of daylight.
On the first day of June, sunrise is at 06:05 and sunset at 20:29. On the last day of the month, sunrise is at 06:07 and sunset at 20:38 EEST.

Sunshine

The average sunshine in June in Heraklion, Greece, is 11.7h.

UV index

The average daily maximum UV index in June is 10. A UV Index estimate of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 10 in June translates into these instructions:
Without adequate protection, skin and eyes might suffer damage. Ensure precautions are in place. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Protect your skin by minimizing time under direct sun, especially if you’re prone to burns. Always wear sunscreen of 30 SPF or higher. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
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Frequently asked questions

What is the temperature in June in Heraklion?

In June, the average high-temperature and low-temperature in Heraklion are 27.3°C (81.1°F) and 20°C (68°F) respectively.

How much does it rain in Heraklion in June?

In Heraklion, Greece, during June, the rain falls for 0.5 days and regularly aggregates up to 3mm (0.12") of precipitation.

What is the sea temperature in June in Heraklion?

In June, the average sea temperature is 22.9°C (73.2°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.9°C (73.2°F).

When are the longest days in Heraklion?

June has the longest days of the year in Heraklion, with an average of 14h and 30min of daylight.

How many hours of daylight does Heraklion have in June?

In Heraklion, Greece, the average day length in June is 14h and 30min.

What time are sunrise and sunset in June in Heraklion?

In June, on the first day of the month, sunrise is at 06:05 and sunset at 20:29. On the last day of the month, in Heraklion, Greece, sunrise is at 06:07 and sunset at 20:38 EEST.

How many hours of sunshine does Heraklion have in June?

The average sunshine duration in June in Heraklion, Greece, is 11.7h.

How high is the UV index in June in Heraklion?

In Heraklion, the average daily maximum UV index in June is 10. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
Heraklion, Greece

Average temperature in June - Heraklion, Greece
  • Average high temperature in June: 27.3°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 June: 20°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).

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Average rainfall in June
Heraklion, Greece

Average rainfall in June - Heraklion, Greece
  • Average rainfall in June: 3.2mm

The wettest month (with the highest rainfall) is January (91.5mm).
The driest month (with the least rainfall) is August (0.7mm).

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Average rainfall days in June
Heraklion, Greece

Average rainfall days in June - Heraklion, Greece
  • Average rainfall days in June: 0.5 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).

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Average sea temperature in June
Heraklion, Greece

Average sea temperature in June - Heraklion, Greece
  • Average sea temperature in June: 22.9°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).

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Average daylight in June /
Average sunshine in June
Heraklion, Greece

Average daylight in June / Average sunshine in June - Heraklion, Greece
  • Average daylight in June: 14h and 3min

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 June: 11h and 4min

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).

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Average UV index in June
Heraklion, Greece

Average UV index in June - Heraklion, Greece
  • Average UV index in June: 10

The month with the highest UV index is July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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Heraklion, Greece

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