October weather forecastSantorini, Greece

The white houses on the Island of lovers overlooking clear blue waters, Santorini, Greece

October

Weather in October

October in Santorini brings noticeable changes in the weather, signaling a more defined shift towards autumn. The weather becomes progressively cooler with a drastic increase in rainfall, up to 61mm (2.4") inclusive of 4 rainy days. The nights begin to draw in, with diminishing daylight and sunshine hours, yet the views and landscapes continue to enchant. The sea temperature begins to descend, making swimming a chilly delight. An average UV index of 5 encourages less stringent but necessary sun-safe measures.

Temperature

The arrival of October in Santorini, Greece, is marked by a minor reduction in average high-temperature, sliding from a moderately hot 25°C (77°F) in September to a pleasant 22°C (71.6°F). An average nighttime temperature of 16°C (60.8°F) is observed during October.

Rainfall

In Santorini, during October, the rain falls for 4 days and regularly aggregates up to 61mm (2.4") of precipitation. In Santorini, during the entire year, the rain falls for 65 days and collects up to 554mm (21.81") of precipitation.

Sea temperature

In October, the average sea temperature in Santorini is 22.2°C (72°F).
Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 22.2°C (72°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)

Daylight

In October, the average length of the day in Santorini is 11h and 16min.
On the first day of the month, sunrise is at 07:13 and sunset at 19:01 EEST. On the last day of October, sunrise is at 06:40 and sunset at 17:22 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 Santorini, the average sunshine in October is 7h.

UV index

In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in October interprets into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heed this! UV intensity is much stronger when reflected off sand and water.

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

Frequently asked questions

The high-temperature, in October, in Santorini, is 22°C (71.6°F), while the low-temperature averages to 16°C (60.8°F).

In October, the rain falls for 4 days. Throughout October, 61mm (2.4") of precipitation is accumulated.

In Santorini, in October, the average water temperature is 22.2°C (72°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.2°C (72°F).

The average day length in October in Santorini, Greece, is 11h and 16min.

In October, on the first day of the month, sunrise is at 07:13 and sunset at 19:01 EEST. On the last day of the month, in Santorini, sunrise is at 06:40 and sunset at 17:22 EET.

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

The average sunshine duration in October in Santorini is 7h.

In Santorini, the average daily maximum UV index in October is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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

25°C

22°C

19°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in October
Santorini, Greece

Average high temperature in October: 22°C

The warmest month (with the highest average high temperature) is July (28°C).
The months with the lowest average high temperature are January and February (14°C).

Average low temperature in October: 16°C

The months with the highest average low temperature are July and August (22°C).
The coldest months (with the lowest average low temperature) are January and February (9°C).

Average rainfall in October
Santorini, Greece

Average rainfall in October: 61mm

The wettest month (with the highest rainfall) is January (114mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in October
Santorini, Greece

Average rainfall days in October: 4 days

The month with the highest number of rainy days is December (12 days).
The months with the least rainy days are June, July, August and September (1 days).

Average sea temperature in October
Santorini, Greece

Average sea temperature in October: 22.2°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (16.5°C).

Average daylight in October /
Average sunshine in October
Santorini, Greece

Average daylight in October: 11h and 18min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in October: 7h

The months with the most sunshine are June and July (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 4h).