October weather forecast
Heraklion, Greece

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.