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, 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.
October in Heraklion brings a slight decrease in the average high-temperature, shifting from 26.4°C in September
to a still moderately hot 23.1°C. The average low-temperature, in October, in Heraklion, is an enjoyable 17.5°C.
In October, in Heraklion, the rain falls for 4.9 days. Throughout October, 69mm of precipitation is accumulated. Throughout the year, in Heraklion, there are 53.2 rainfall days, and 501mm of precipitation is accumulated.
In Heraklion, the average seawater temperature in October is 23.3°C.Note
: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 23.3°C waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 25°C and 28°C.)
The average length of the day in October in Heraklion is 11h and 17min.
On the first day of October in Heraklion, sunrise is at 07:14 and sunset at 19:04 EEST. On the last day of the month, sunrise is at 06:39 and sunset at 17:26 EET.Note
: On Sunday, 29. October 2023, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. Daylight Saving Time starts again on Sunday, 31. March
2024, at 03:00; consequently, the time zone reverts from EET to EEST.
In October, the average sunshine is 6.4h.
The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note
: The UV index of 5 in October translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The Sun's UV rays are heightened by the reflection of sand and water.