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

Monthly 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
The best months for a swim in Santorini, Greece, are July and August, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
January, like December, is another mild winter month in Santorini, Greece, with average temperature ranging between min 9°C (48.2°F) and max 14°C (57.2°F). The coldest months are January and February, with an average high-temperature of 14°C (57.2°F). Weather in January »

February, the last month of the winter, in Santorini, is also a moderate month, with average temperature ranging between max 14°C (57.2°F) and min 9°C (48.2°F). January and February, with an average high-temperature of 14°C (57.2°F), are the coldest months. Weather in February »

March, the first month of the spring, in Santorini, is a comfortable month, with average temperature fluctuating between 10°C (50°F) and 16°C (60.8°F). In March, the average high-temperature is almost the same as in February - a comfortable 16°C (60.8°F). Weather in March »

April, like March, in Santorini, Greece, is another comfortable spring month, with average temperature ranging between max 19°C (66.2°F) and min 12°C (53.6°F). In April, the average high-temperature marginally rises, from an enjoyable 16°C (60.8°F) in March, to a still comfortable 19°C (66.2°F). Weather in April »

The last month of the spring, May, is an agreeable month in Santorini, Greece, with temperature in the range of an average low of 15°C (59°F) and an average high of 22°C (71.6°F). In May, the average high-temperature marginally rises, from a comfortable 19°C (66.2°F) in April, to a pleasant 22°C (71.6°F). Weather in May »

June, the first month of the summer, in Santorini, is a moderately hot month, with average temperature ranging between min 19°C (66.2°F) and max 26°C (78.8°F). In Santorini, the average high-temperature in June slightly increases, from an agreeable 22°C (71.6°F) in May, to a warm 26°C (78.8°F). Weather in June »

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") of accumulated rainfall, make July the best time for swimming and other water activities. Weather in July »

August, the last month of the summer, in Santorini, is also a moderately hot month, with average temperature varying between 22°C (71.6°F) and 27°C (80.6°F). The ideal sea water temperature of 25.7°C (78.3°F) and only 1 rainfall days, with 1mm (0") of accumulated rainfall, make August the best time for swimming and other water activities. Weather in August »

September, the first month of the autumn, in Santorini, is still a warm month, with average temperature ranging between max 25°C (77°F) and min 20°C (68°F). In September, the average high-temperature is relatively the same as in August - a still moderately hot 25°C (77°F). Weather in September »

October, the same as September, in Santorini, Greece, is another pleasant autumn month, with temperature in the range of an average high of 22°C (71.6°F) and an average low of 16°C (60.8°F). In Santorini, the average high-temperature slightly decreases, from a warm 25°C (77°F) in September, to a pleasant 22°C (71.6°F). Weather in October »

The last month of the autumn, November, is another comfortable month in Santorini, Greece, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 19°C (66.2°F). In Santorini, the average high-temperature slightly decreases, from an agreeable 22°C (71.6°F) in October, to a comfortable 19°C (66.2°F). Weather in November »

The first month of the winter, December, is also an enjoyable month in Santorini, Greece, with average temperature fluctuating between 16°C (60.8°F) and 11°C (51.8°F). In December, the average high-temperature slightly decreases, from 19°C (66.2°F) in November, to a still comfortable 16°C (60.8°F). Weather in December »

What are the coldest months in Santorini?

The coldest months are January and February, with an average high-temperature of 14°C (57.2°F).

How many days does it rain in Santorini?

Throughout the year, in Santorini, there are 65 rainfall days, and 554mm (21.8") of precipitation is accumulated.

What is the rainiest month in Santorini?

January is the month with the most rainfall in Santorini, Greece. Rain falls for 11 days and accumulates 114mm (4.5") of precipitation.

What is the month with the least sunshine in Santorini?

January and December, with an average of 4h of sunshine, are months with the least sunshine in Santorini.

What are the months with the lowest UV index in Santorini?

Months with the lowest UV index are January and December, with an average maximum UV index of 2.

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

With an average sea temperature of 16.5°C (61.7°F), February is the month with the coldest seawater in Santorini, Greece.

When are the longest days in Santorini?

With an average of 14.6h of daylight, June has the longest days of the year.

What is the month with the most sunshine in Santorini?

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

When is the highest UV index in Santorini?

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

What is the warmest month in Santorini?

July 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).

What is the driest month in Santorini?

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

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

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

What is the month with the shortest days in Santorini?

With an average of 9.7h of daylight, December has the shortest days of the year in Santorini, Greece.
Average rainfall - Santorini, Greece
Average rainfall days - Santorini, Greece

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 - Santorini, Greece

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 / Average sunshine - Santorini, Greece