August weather forecast
Santorini, Greece

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

Weather in August

August, the last month of the summer in Santorini, is also a moderately hot month, with an average temperature varying between 27°C (80.6°F) and 22°C (71.6°F).
The perfect water temperature of 25.7°C (78.3°F) with 1mm (0.04") of accumulated rainfall and only 1 rainfall days, makes August a great period for swimming and other water activities.

Temperature

In August, the average high-temperature is essentially the same as in July - a still moderately hot 27°C (80.6°F). In August, in Santorini, the average low-temperature is 22°C (71.6°F).

Rainfall

July and August are months with the least rain in Santorini when the rain falls for 1 days and typically aggregates up to 1mm (0.04") of rain.

Sea temperature

With an average sea temperature of 25.7°C (78.3°F), August is the month with the warmest seawater in Santorini, Greece.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In August, the average length of the day is 13h and 31min.
On the first day of the month, sunrise is at 06:24 and sunset at 20:24. On the last day of August, in Santorini, sunrise is at 06:48 and sunset at 19:48 EEST.

Sunshine

In Santorini, the average sunshine in August is 12h.

UV index

The average daily maximum UV index in August is 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 9 in August interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the driest month in Santorini?

July and August are months with the least rain in Santorini, Greece, when the rain falls for 1 days and typically aggregates up to 1mm (0.04") of rain.

How much does it rain in Santorini in August?

In Santorini, Greece, during August, the rain falls for 1 days and regularly aggregates up to 1mm (0.04") of precipitation.

What month is the sea warmest in Santorini?

August is the month with the warmest seawater in Santorini, with an average sea temperature of 25.7°C (78.3°F).

What is the water temperature in August in Santorini?

In Santorini, the average seawater temperature in August is 25.7°C (78.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Santorini have in August?

In August, the average day length in Santorini is 13h and 31min.

What time are sunrise and sunset in August in Santorini?

In August, on the first day of the month, sunrise is at 06:24 and sunset at 20:24. On the last day of the month, in Santorini, sunrise is at 06:48 and sunset at 19:48 EEST.

How long on average sun shines in August in Santorini?

The average sunshine duration in August in Santorini, Greece, is 12h.

What is the UV index intensity in August in Santorini?

The average daily maximum UV index in August is 9. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to Sun's UV rays.

Average temperature in August
Santorini, Greece

Average temperature in August - Santorini, Greece
  • Average high temperature in August: 27°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 August: 22°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).

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Average rainfall in August
Santorini, Greece

Average rainfall in August - Santorini, Greece
  • Average rainfall in August: 1mm

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

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Average rainfall days in August
Santorini, Greece

Average rainfall days in August - Santorini, Greece
  • Average rainfall days in August: 1 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).

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Average sea temperature in August
Santorini, Greece

Average sea temperature in August - Santorini, Greece
  • Average sea temperature in August: 25.7°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).

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

Average daylight in August / Average sunshine in August - Santorini, Greece
  • Average daylight in August: 13h and 31min

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 44min).

  • Average sunshine in August: 12h

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: 4).

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Average UV index in August
Santorini, Greece

Average UV index in August - Santorini, Greece
  • Average UV index in August: 9

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).

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