July 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 July

July, like June, in Santorini, Greece, is another warm summer month, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 28°C (82.4°F).
The ideal sea water temperature of 25.3°C (77.5°F) and only 1 rainfall days, with 1mm (0.04") of accumulated rainfall, makes July the best time for swimming and other water activities.

Temperature

July is the warmest month, with an average high-temperature of 28°C (82.4°F) and an average low-temperature of 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

In Santorini, the average seawater temperature in July is 25.3°C (77.5°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In July, the average length of the day in Santorini is 14h and 22min.
On the first day of July, sunrise is at 06:03 and sunset at 20:40. On the last day of the month, sunrise is at 06:23 and sunset at 20:25 EEST.

Sunshine

June and July, with an average of 13h of sunshine, are months with the most sunshine in Santorini.

UV index

June and July, with an average maximum UV index of 10, are months with the highest UV index. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 10 in July interpret into the following advice:
Take extra precautions. Protection against sun damage is required. 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 warmest month in Santorini?

With an average high-temperature of 28°C (82.4°F) and an average low-temperature of 22°C (71.6°F), July is the warmest month in Santorini.

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 (0.04") of rain.

How much does it rain in Santorini in July?

In Santorini, in July, during 1 rainfall days, 1mm (0.04") of precipitation is typically accumulated.

How warm is the water in July in Santorini?

In July, the average sea temperature is 25.3°C (77.5°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.

How many hours of daylight does Santorini have in July?

The average day length in July in Santorini is 14h and 22min.

When are sunrise and sunset in July in Santorini?

On the first day of July in Santorini, sunrise is at 06:03 and sunset at 20:40. On the last day of the month, sunrise is at 06:23 and sunset at 20:25 EEST.

What are the months with the most sunshine in Santorini?

The months with the most sunshine are June and July, with an average of 13h of sunshine.

How many hours of sunshine does Santorini have in July?

In Santorini, the average sunshine duration in July is 13h.

What is the month with the highest UV index in Santorini?

June and July, with an average maximum UV index of 10, are months with the highest UV index in Santorini, Greece.

What is the UV index intensity in July in Santorini?

In Santorini, Greece, the average daily maximum UV index in July is 10. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to UV radiation.

Average temperature in July
Santorini, Greece

Average temperature in July - Santorini, Greece
  • Average high temperature in July: 28°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 July: 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 July
Santorini, Greece

Average rainfall in July - Santorini, Greece
  • Average rainfall in July: 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 July
Santorini, Greece

Average rainfall days in July - Santorini, Greece
  • Average rainfall days in July: 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 July
Santorini, Greece

Average sea temperature in July - Santorini, Greece
  • Average sea temperature in July: 25.3°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 July /
Average sunshine in July
Santorini, Greece

Average daylight in July / Average sunshine in July - Santorini, Greece
  • Average daylight in July: 14h and 22min

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 July: 13h

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 July
Santorini, Greece

Average UV index in July - Santorini, Greece
  • Average UV index in July: 10

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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