Heraklion, Greece - Detailed climate information and monthly weather forecast

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

The best months for a swim in Heraklion, Greece, are July through September, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

January, like December, is a moderate winter month in Heraklion, Greece, with average temperature ranging between min 10°C (50°F) and max 15.2°C (59.4°F). With an average high-temperature of 15.2°C (59.4°F) and an average low-temperature of 10°C (50°F), January is the coldest month. Weather in January »

The last month of the winter, February, is another mild month in Heraklion, Greece, with average temperature ranging between min 10°C (50°F) and max 15.5°C (59.9°F). In Heraklion, the average high-temperature is essentially the same as in January - a still mild 15.5°C (59.9°F). Weather in February »

The first month of the spring, March, is an enjoyable month in Heraklion, Greece, with average temperature fluctuating between 10.8°C (51.4°F) and 16.8°C (62.2°F). In March, the average high-temperature is almost the same as in February - a comfortable 16.8°C (62.2°F). Weather in March »

April in Heraklion, Greece, is an agreeable spring month, with average temperature ranging between min 13°C (55.4°F) and max 20.2°C (68.4°F). In April, the average high-temperature marginally rises, from an enjoyable 16.8°C (62.2°F) in March, to a pleasant 20.2°C (68.4°F). Weather in April »

The last month of the spring, May, is a moderately hot month in Heraklion, Greece, with average temperature ranging between max 23.5°C (74.3°F) and min 15.9°C (60.6°F). In May, the average high-temperature slightly increases, from a pleasant 20.2°C (68.4°F) in April, to a warm 23.5°C (74.3°F). Weather in May »

June, the first month of the summer, in Heraklion, is still a warm month, with average temperature ranging between max 27.3°C (81.1°F) and min 20°C (68°F). In Heraklion, the average high-temperature slightly increases, from 23.5°C (74.3°F) in May, to a still moderately hot 27.3°C (81.1°F). Weather in June »

July, the same as June, is another warm summer month in Heraklion, Greece, with average temperature fluctuating between 22.7°C (72.9°F) and 28.6°C (83.5°F). The ideal sea water temperature of 25.4°C (77.7°F) and only 0.1 rainfall days, with 1mm (0") of accumulated rainfall, make July the best time for swimming and other water activities. Weather in July »

The last month of the summer, August, is also a moderately hot month in Heraklion, Greece, with average temperature varying between 28.4°C (83.1°F) and 22.7°C (72.9°F). The ideal sea water temperature of 26.1°C (79°F) and only 0.1 rainfall days, with 0.7mm (0") of accumulated rainfall, make August the best time for swimming and other water activities. Weather in August »

September, the first month of the autumn, in Heraklion, is still a warm month, with temperature in the range of an average low of 20.3°C (68.5°F) and an average high of 26.4°C (79.5°F). The ideal sea water temperature of 25.4°C (77.7°F) and only 1.3 rainfall days, with 19.5mm (0.8") of accumulated rainfall, make September the best time for swimming and other water activities. Weather in September »

October, the same as September, is a moderately hot autumn month in Heraklion, Greece, with average temperature ranging between min 17.5°C (63.5°F) and max 23.1°C (73.6°F). In Heraklion, the average high-temperature slightly decreases, from a warm 26.4°C (79.5°F) in September, to a still moderately hot 23.1°C (73.6°F). Weather in October »

November, the last month of the autumn, in Heraklion, is another pleasant month, with average temperature ranging between min 14.7°C (58.5°F) and max 20.1°C (68.2°F). In November, the average high-temperature marginally drops, from a warm 23.1°C (73.6°F) in October, to a pleasant 20.1°C (68.2°F). Weather in November »

December, the first month of the winter, in Heraklion, is still a comfortable month, with average temperature ranging between max 17°C (62.6°F) and min 12°C (53.6°F). In December, the average high-temperature slightly decreases, from an agreeable 20.1°C (68.2°F) in November, to an enjoyable 17°C (62.6°F). Weather in December »

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What is the coldest month in Heraklion?

January is the coldest month in Heraklion, Greece, with an average high-temperature of 15.2°C (59.4°F) and an average low-temperature of 10°C (50°F).

How much does it rain in Heraklion?

In Heraklion, during the entire year, the rain falls for 53.2 days and collects up to 500.6mm (19.7") of precipitation.

What is the rainiest month in Heraklion?

The month with the most rainfall is January when the rain falls for 10.1 days and typically aggregates up to 91.5mm (3.6") of precipitation.

What is the month with the least sunshine in Heraklion?

With an average of 3.8h of sunshine, January has the least sunshine of the year in Heraklion, Greece.

When is the sea coldest in Heraklion?

The month with the coldest seawater is February, with an average sea temperature of 16.4°C (61.5°F).

When are the longest days in Heraklion?

The month with the longest days is June, with an average of 14.5h of daylight.

What is the warmest month in Heraklion?

July is the warmest month in Heraklion, Greece, with an average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 22.7°C (72.9°F).

What month has the most sunshine in Heraklion?

The month with the most sunshine in Heraklion is July, with an average of 12h of sunshine.

What is the month with the highest UV index in Heraklion?

With an average maximum UV index of 11, July is the month with the highest UV index in Heraklion, Greece.

What is the driest month in Heraklion?

The month with the least rainfall in Heraklion is August when the rain falls for 0.1 days and typically collects 0.7mm (0") of precipitation.

What is the month with the warmest sea water in Heraklion?

With an average sea temperature of 26.1°C (79°F), August is the month with the warmest seawater.

What is the month with the shortest days in Heraklion?

The month with the shortest days is December, with an average of 9.8h of daylight.

What is the month with the lowest UV index in Heraklion?

With an average maximum UV index of 2, December is the month with the lowest UV index.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
15.2°C
Average high temperature in February:
15.5°C
Average high temperature in March:
16.8°C
Average high temperature in April:
20.2°C
Average high temperature in May:
23.5°C
Average high temperature in June:
27.3°C

Average high temperature in July:
28.6°C
Average high temperature in August:
28.4°C
Average high temperature in September:
26.4°C
Average high temperature in October:
23.1°C
Average high temperature in November:
20.1°C
Average high temperature in December:
17°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 January:
10°C
Average low temperature in February:
10°C
Average low temperature in March:
10.8°C
Average low temperature in April:
13°C
Average low temperature in May:
15.9°C
Average low temperature in June:
20°C

Average low temperature in July:
22.7°C
Average low temperature in August:
22.7°C
Average low temperature in September:
20.3°C
Average low temperature in October:
17.5°C
Average low temperature in November:
14.7°C
Average low temperature in December:
12°C

Months with the highest average low temperature are July and August (22.7°C).
Coldest months (with the lowest average low temperature) are January and February (10°C).

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

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Average rainfall days - Heraklion, Greece

Average rainfall days in January:
10.1 days
Average rainfall days in February:
9.1 days
Average rainfall days in March:
6.9 days
Average rainfall days in April:
3.4 days
Average rainfall days in May:
1.9 days
Average rainfall days in June:
0.5 days

Average rainfall days in July:
0.1 days
Average rainfall days in August:
0.1 days
Average rainfall days in September:
1.3 days
Average rainfall days in October:
4.9 days
Average rainfall days in November:
6 days
Average rainfall days in December:
8.9 days

The month with the highest number of rainy days is January (10.1 days).
Months with the lowest number of rainy days are July and August (0.1 days).

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Average sea temperature - Heraklion, Greece

Average sea temperature in January:
17.1°C
Average sea temperature in February:
16.4°C
Average sea temperature in March:
16.6°C
Average sea temperature in April:
17.1°C
Average sea temperature in May:
19.5°C
Average sea temperature in June:
22.9°C

Average sea temperature in July:
25.4°C
Average sea temperature in August:
26.1°C
Average sea temperature in September:
25.4°C
Average sea temperature in October:
23.3°C
Average sea temperature in November:
20.7°C
Average sea temperature in December:
18.4°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 / Average sunshine - Heraklion, Greece

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is January (Average sunshine: 3.8h).

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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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Monthly weather forecast and climate
Heraklion, Greece

Contents

The best time to visit Heraklion

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December