Santorini
Greece
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Santorini, Greece

The white houses on the Island of lovers overlooking clear blue waters with small boats sailing, in Santorini, Greece, a small mountain in the distance
The white houses on the Island of lovers overlooking clear blue waters with small boats sailing, in Santorini, Greece, a small mountain in the distance
October, the same as September, in Santorini, Greece, is an agreeable autumn month, with average temperature fluctuating between 22°C (71.6°F) and 16°C (60.8°F).

Temperature

In Santorini, the average high-temperature marginally drops, from a warm 25°C (77°F) in September, to a pleasant 22°C (71.6°F). The average low-temperature, is 16°C (60.8°F).

Rainfall

In Santorini, during October, the rain falls for 4 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in Santorini, there are 65 rainfall days, and 554mm (21.8") of precipitation is accumulated.

Sea temperature

In Santorini, Greece, the average water temperature is 22.2°C (72°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.2°C (72°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Santorini, the average length of the day is 11.2h.

Sunshine

The average sunshine is 7h.

UV index

In Santorini, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 5 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in October in Santorini?

In Santorini, in October, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 16°C (60.8°F).

How many days does it rain in October in Santorini?

In Santorini, Greece, in October, it is raining for 4 days, with typically 61mm (2.4") of accumulated precipitation.

What is the water temperature in October in Santorini?

In Santorini, the average seawater temperature in October 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).

What is the average length of the day in October in Santorini?

In Santorini, Greece, the average length of the day in October is 11.2h.

How many hours of sunshine does Santorini have in October?

The average sunshine in October in Santorini, Greece, is 7h.

How high is the UV index in October in Santorini?

The average daily maximum UV index in October in Santorini, Greece, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
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).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in October: 16°C

Months with the highest average low temperature are July and August (22°C).
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).
Driest months (with the lowest 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).
Months with the lowest number of 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: 11.2h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in October: 7h

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

Average UV index in October - Santorini, Greece
  • Average UV index in October: 5

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).