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

August 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
August, the last month of the summer, in Santorini, is also a moderately hot month, with average temperature fluctuating between 27°C (80.6°F) and 22°C (71.6°F).

Temperature

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

Rainfall

Months with the least rainfall are July and August Rain falls for 1 days and accumulates 1mm (0") of rain.

Sea temperature

The month with the warmest seawater in Santorini is August, with an average sea temperature of 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.

Daylight

In Santorini, the average length of the day is 13.5h.

Sunshine

In Santorini, the average sunshine is 12h.

UV index

In August, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays for the average person.
In August, the average maximum UV index of 9 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in August in Santorini?

The average high-temperature, in August, in Santorini, Greece, is 27°C (80.6°F), while the average low-temperature is 22°C (71.6°F).

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") of precipitation.

What is the driest month in Santorini?

July and August are months with the least rain when the rain falls for 1 days and typically aggregates up to 1mm (0") of rain.

What is the month with the warmest sea water in Santorini?

August is the month with the warmest seawater, with an average sea temperature of 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.

What is the sea water temperature in August in Santorini?

In Santorini, in August, the average water temperature is 25.7°C (78.3°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

In August, the average length of the day in Santorini is 13.5h.

How many hours of sunshine does Santorini have in August?

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

What is the UV index intensity in August in Santorini?

The average daily maximum UV index in August in Santorini, Greece, is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV rays.
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).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in August: 22°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 August - Santorini, Greece
  • Average rainfall in August: 1mm

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

Average daylight in August / Average sunshine in August - Santorini, Greece
  • Average daylight in August: 13.5h

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 August: 12h

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

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).