October weather forecastHeraklion, Greece

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

October

Weather in October

The arrival of October introduces a significant shift in the weather pattern of Heraklion. Transitioning from the dry, hot summer, the month sees rain levels rise to 69mm (2.72"), indicating a return of regular rainfall. Despite the increasing rain, sunshine hours still maintain a comfortable balance, creating a pleasant autumnal atmosphere. Sea temperatures begin to decrease, making long beach days less common than in previous months. As the city gears up for November, anticipate further cooling with more frequent rain incidents.

Temperature

October's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 26.4°C (79.5°F) in September to a still warm 23.1°C (73.6°F). The nighttime temperature in Heraklion, Greece, during October, averages of 17.5°C (63.5°F).

Rainfall

In Heraklion, Greece, in October, during 4.9 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Heraklion, during the entire year, the rain falls for 53.2 days and collects up to 501mm (19.72") of precipitation.

Sea temperature

In Heraklion, the average seawater temperature in October is 23.3°C (73.9°F).
Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 23.3°C (73.9°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in October is 11h and 17min.
On the first day of October, sunrise is at 07:14 and sunset at 19:03 EEST. On the last day of the month, sunrise is at 06:40 and sunset at 17:25 EET.
Note: On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 03:00; consequently, the time zone reverts from EET to EEST.

Sunshine

In October, the average sunshine is 6.4h.

UV index

In Heraklion, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 5 in October leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Alert! Sand and water increase UV exposure due to their reflective properties.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in October, in Heraklion, is 23.1°C (73.6°F), while the low-temperature averages to 17.5°C (63.5°F).

In Heraklion, Greece, during October, the rain falls for 4.9 days and regularly aggregates up to 69mm (2.72") of precipitation.

In October, the average sea temperature in Heraklion is 23.3°C (73.9°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.3°C (73.9°F) water may be enjoyable.

In October, the average day length is 11h and 17min.

In October, on the first day of the month, sunrise is at 07:14 and sunset at 19:03 EEST. On the last day of the month, in Heraklion, Greece, sunrise is at 06:40 and sunset at 17:25 EET.

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next DST starts on Sunday, 30. March 2025, at 03:00.

In October, the average sunshine duration in Heraklion, Greece, is 6.4h.

In Heraklion, Greece, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

26.4°C

23.1°C

20.1°C

Average low temperature

Average rainfall

Average rainfall days

1.3

4.9

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in October
Heraklion, Greece

Average high temperature in October: 23.1°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 October: 17.5°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 October
Heraklion, Greece

Average rainfall in October: 68.8mm

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 October
Heraklion, Greece

Average rainfall days in October: 4.9 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 October
Heraklion, Greece

Average sea temperature in October: 23.3°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 October /
Average sunshine in October
Heraklion, Greece

Average daylight in October: 11h and 18min

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 October: 6h and 24min

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).