October weather forecastRethimno, Greece

October
Weather in October
October, the same as September, is a moderately hot autumn month in Rethimno, Greece, with temperature in the range of an average low of 15°C (59°F) and an average high of 23°C (73.4°F).Temperature
With the beginning of October, the average high-temperature shows a small decrease, transitioning from 27°C (80.6°F) in September to a still warm 23°C (73.4°F). An average low-temperature of 15°C (59°F) is common in Rethimno during the nights of October.Rainfall
In October, the rain falls for 5 days. Throughout October, 84mm (3.31") of precipitation is accumulated. Throughout the year, in Rethimno, there are 67 rainfall days, and 664mm (26.14") of precipitation is accumulated.Sea temperature
In Rethimno, the average seawater temperature in October is 23.3°C (73.9°F).Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 23.3°C (73.9°F) waters might be just right. Remember, Olympic swimmers are used to waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
The average length of the day in October in Rethimno, Greece, is 11h and 17min.On the first day of the month, sunrise is at 07:17 and sunset at 19:05 EEST. On the last day of October, sunrise is at 06:43 and sunset at 17:28 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
The average sunshine in October is 6h.UV index
In Rethimno, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during October, leads to the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The UV exposure is heightened with reflections from sand and water.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Rethimno, Greece
- Average high temperature in October: 23°C
The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in October: 15°C
The months with the highest average low temperature are July and August (21°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in October
Rethimno, Greece
- Average rainfall in October: 84mm
The wettest month (with the highest rainfall) is January (142mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in October
Rethimno, Greece
- Average rainfall days in October: 5 days
The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (0 days).
Average sea temperature in October
Rethimno, Greece
- Average sea temperature in October: 23.3°C
The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).
Average daylight in October /
Average sunshine in October
Rethimno, 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
The months with the most sunshine are June, July and August (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in October
Rethimno, Greece
- Average UV index in October: 5
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).





