Annual average weather for Santorini, Greece

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Annual Average Weather for Santorini, Greece

The annual average maximum daily temperature is 21.7°C (71.0°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 19.3°C (66.8°F) which is comfortable for swimming though some may prefer warmer water. Annually there are on average 5.9 days of rain per month and 9.6 hours of sun per day.

When is the best time to visit Santorini?

The best months to visit Santorini are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from June to September when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and November when the sea temperature is above the average 19°C (67°F) which is comfortable for swimming though some may prefer warmer water.

Can you sunbathe in Santorini year round?

No, you can't sunbathe in Santorini all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from June to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Santorini year round?

No, you can't swim in Santorini all year round.

The warmest sea water temperatures in Santorini are found in August when they peak at 24°C (75°F) and lowest in March when they dip to 15°C (60°F).

The sea temperature is above average for swimming between June and November when the sea temperature is above 19°C (67°F) which is comfortable for swimming though some may prefer warmer water.

For very comfortable swimming conditions try swimming in the months from July to October when the sea temperature is above 22°C (72°F)

More info about the annual sea temperatures

When is the hottest month in Santorini?

The hottest month in Santorini is August when the average maximum temperature is very hot and perfect for sunbathing on clear days 30°C (86°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (75°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Santorini?

The coolest month in Santorini is February when the average maximum temperature is 15°C (58°F), average temperature is 12°C (54°F) and average minimum temperature is 10°C (51°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Santorini?

The sunniest days in Santorini are in June which has the most hours of sunshine per day. In June the sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 12.4hrs making the days exceptionally long and full of sunshine.

More info about the annual sunshine.

When is the least sunny month in Santorini?

December has the least sunshine. In December the sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 6.5hrs.

More info about the annual sunshine.

When is the driest month in Santorini?

The driest month in Santorini is June with 0.1cm (0.0inches) of rain and August has the fewest days of rain with 0.2 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Santorini?

The wettest month in Santorini is December with 7.5cm (3.0inches) of rain and February has the most days of rain with 11.5 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Santorini?

The coldest sea water temperatures in Santorini are found in March when they dip to 15°C (60°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

More info about the annual sea temperatures.

When is the sea the warmest in Santorini?

The warmest sea water temperatures in Santorini are found in August when they peak at 24°C (75°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the most humid month in Santorini?

The most humid month in Santorini is August with a dew point (an indicator of humidity) of 20°C (69°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the least humid month in Santorini?

The least humid month in Santorini is January with a dew point of 9°C (47°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Santorini?

The most windy month in Santorini is July when the average maximum windspeed is 34KM/H (21MPH) and the average wind speed is 21KM/H (13MPH).

More info about the annual wind conditions.

Annual Temperature for Santorini

The hottest month in Santorini is August when the average maximum temperature is 30°C (86°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (75°F).

The coolest month in Santorini is February when the average maximum temperature is 15°C (15°F), average temperature is 12°C (54°F) and average minimum temperature is 10°C (51°F).

Annual Sunshine for Santorini

The longest days in Santorini are in June, with an average of 14.6 hours of daylight per day. December has the shortest days with an average of 9.7 hours of daylight per day.

The sunniest days in Santorini are in June which has the most hours of sunshine per day. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 12.4hrs making the days exceptionally long and full of sunshine.

December has the least sunshine. The sunshine percentage is 67% making it sunny but overcast at times. The hours of sunshine per day are 6.5hrs.

The ultraviolet index is the highest in July when it reaches 10.7 and lowest in December when it reaches 2.2.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Santorini

The warmest sea water temperatures in Santorini are found in August when they peak at 24°C (75°F) and lowest in March when they dip to 15°C (60°F).

The sea is best for swimming between June and November when the temperature is above 19°C (67°F) which is comfortable for swimming though some may prefer warmer water.

Annual Rainfall for Santorini

The wettest month in Santorini is December with 7.5cm (3.0inches) of rain and February has the most days of rain with 11.5 days with some rain, a pretty wet time to visit the beach.

The driest month in Santorini is June with 0.1cm (0.0inches) of rain and August has the fewest days of rain with 0.2 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Santorini

The most humid month in Santorini is August with a dew point (an indicator of humidity) of 20°C (69°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

The least humid month in Santorini is January with a dew point of 9°C (47°F) which is a bit dry for some.

Annual Wind Speed for Santorini

The most windy month in Santorini is July when the average maximum windspeed is 34KM/H (21MPH) and the average wind speed is 21KM/H (13MPH).

The least windy month in Santorini is May when the average maximum windspeed is 28KM/H (17MPH) and the average wind speed is 16KM/H (10MPH).

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