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Syros

Water Temperature in the Aegean Sea in Syros, Greece: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Syros in Greece, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Syros

19.0°C

TODAY

19.0°C

YESTERDAY

18.2°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Aegean Sea in Syros is 19°C. This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Aegean Sea in Syros Over the Last 30 Days

The water temperature in Syros today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Syros will rise slightly in the coming days and reach 20.5°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Greece to enhance accuracy.

Water temperature data for Syros and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
May 3018.2°C20.3°C
May 3118.5°C20.0°C
Jun 118.4°C19.8°C
Jun 218.9°C19.8°C
Jun 318.9°C20.0°C
Jun 418.6°C20.5°C
Jun 519.0°C20.3°C
Jun 619.0°C21.3°C
Jun 721.0°C19.2°C
Jun 821.0°C19.4°C
Jun 921.5°C19.6°C
Jun 1021.0°C19.7°C
Jun 1122.0°C19.9°C
Jun 1221.8°C20.1°C
Jun 1321.8°C20.3°C
Jun 1422.3°C20.5°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Syros Throughout the Year

Throughout the year, the sea temperature in Syros exceeds 77°F (25°C) for 18 days, exceeds 72°F (22°C) for 126 days, and exceeds 64°F (18°C) for 204 days.

Below is the annual chart of sea temperature changes in the Aegean Sea in Syros.

January

MinimumAverageMaximum
15°C16.5°C18°C

February

MinimumAverageMaximum
15°C16.5°C18°C

March

MinimumAverageMaximum
14°C16°C18°C

April

MinimumAverageMaximum
15°C17.5°C20°C

May

MinimumAverageMaximum
16°C19°C22°C

June

MinimumAverageMaximum
18°C22°C26°C

July

MinimumAverageMaximum
21°C24.5°C28°C

August

MinimumAverageMaximum
22°C25°C28°C

September

MinimumAverageMaximum
22°C24.5°C27°C

October

MinimumAverageMaximum
17°C21°C25°C

November

MinimumAverageMaximum
16°C19.5°C23°C

December

MinimumAverageMaximum
16°C18°C20°C

Monthly Water Temperature Histogram for Aegean Sea in Syros

You can explore detailed data on how the water temperature in Syros varies each month:

What Beaches Are There In and Around Syros?

Taliro Beach

Taliro Beach is a 1-stars sandy beach, is located directly in Syros.

Asteria Beach

Asteria Beach is a 2-stars sandy beach, is located directly in Syros. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Kini

Kini is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Syros. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Dolphin

Dolphin is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Syros. For those who prefer clothing-optional beaches, Dolphin is a designated nudist beach. There is parking. There are cafés. Dolphin is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Delfini Beach

Delfini Beach is a 2-stars pebble beach, located in a 4 km (2 miles) radius of Syros. There is parking. There are cafés.

Azolimnos

Azolimnos is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Syros. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are cafés.

Aetos

Aetos is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Syros. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Santorini Beach

Santorini Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Syros. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Varvarousa Beach

Varvarousa Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Syros.

Fokiotripes Beach

Fokiotripes Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Syros. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Katergaki Beach

Katergaki Beach is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Syros. For those who prefer clothing-optional beaches, Katergaki Beach is a designated nudist beach. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Achladi

Achladi is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Syros. There is parking. There are cafés.

Vari

Vari is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Syros. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Factory Beach

Factory Beach is a 2-stars pebble beach, located in a 6 km (4 miles) radius of Syros. For those who prefer clothing-optional beaches, Factory Beach is a designated nudist beach. There is parking. There are cafés. Factory Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Armeos - Agia Pakou

Armeos - Agia Pakou is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Syros.

Fabrika

Fabrika is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Syros. For those who prefer clothing-optional beaches, Fabrika is a designated nudist beach. There is parking. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Katergaki

Katergaki is a 3-stars pebble beach, located in a 6 km (4 miles) radius of Syros. There is parking. There are restrooms. There are shops. There are cafés. Katergaki is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Galissas

Galissas is a 5-stars sandy beach, located in a 6 km (4 miles) radius of Syros. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Galissas is a designated nudist beach. There is parking. There are restrooms. There are cafés. Galissas is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Varis Beach

Varis Beach is a 4-stars pebble beach, located in a 6 km (4 miles) radius of Syros. There are lifeguards on the beach. There is parking. There are restrooms. There are shops. There are cafés. Varis Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.

Megas Lakos Beach

Megas Lakos Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Syros. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Syros Weather

JUNE 7

21°C / 23°C
clear sky

humidity: 67% | wind: 3 km/h

JUNE 8

21°C / 23°C
clear sky

humidity: 67% | wind: 4 km/h

JUNE 9

21°C / 24°C
broken clouds: 51-84%

humidity: 75% | wind: 6 km/h

JUNE 10

21°C / 22°C
clear sky

humidity: 83% | wind: 5 km/h

South Aegean, GreeceSouth Aegean, GreeceSouth Aegean, Greece

Sea Temperature in the Aegean Sea in Syros: General Trends and Swimming Opportunities

Original name
Σύρος
The Local Time
23:36
Time Zone
UTC+3
Sunrise
05:59
Sunset
20:38
Length of the day
14 h 38 m

The South Aegean region of Greece, particularly its coastal area, experiences a Mediterranean climate characterized by hot, dry summers and mild, wet winters. The region typically enjoys abundant sunshine throughout the year, making it a popular destination for tourists.

Syros is located in Europe in the Northern Hemisphere at a latitude of 37 degrees, along the shores of the Aegean Sea. Syros lies within the South Aegean in Greece.

The average annual daytime air temperature in Syros is 22°C (72°F), with the average nighttime temperature being 15°C (59°F). The highest average daily temperature occurs in July, reaching 30°C (86°F), while the lowest is in February at 14°C (57°F). As for nighttime temperatures, the minimum average temperature of 7°C (45°F) is recorded in February, and the maximum is in July, reaching 23°C (74°F).

According to historical data, Syros experiences 56 rainy days per year, which accounts for 15 percent of all days in the year. On average, there are 5 rainy days each month. The wettest month is December, with 10 rainy days and 75 mm (3.0 inches) of precipitation, while the driest month is August, which typically has 0 rainy days and only 2 mm (0.1 inches) of precipitation.

The average annual water temperature in Aegean Sea in Syros is 20°C (68°F). In March, the water reaches its lowest point of the year at 14°C (57°F), while in July, it peaks at 28°C (82°F). The months suitable for comfortable beach vacations and swimming in the Aegean Sea are July, August, and September. During this period, the water temperature stays above 20°C (68°F) and can reach up to 28°C (82°F) on some days.

Geographical Location of Syros

Frequently Asked Questions About Syros and its Water Temperatures

What is the current sea temperature in Syros?

The water temperature today in the Aegean Sea in Syros is 66°F (19°C).

In which months is the water temperature in Syros comfortable for swimming?

The water temperature in the Aegean Sea in Syros is comfortable for swimming and beach vacations in July, August, and September.

What is the water temperature in Syros during the winter?

The water temperature in the Aegean Sea in Syros during the winter ranges from 15°C to 20°C (59°F to 68°F).

What is the water temperature in Syros during the spring?

The water temperature in the Aegean Sea in Syros during the spring ranges from 14°C to 22°C (57°F to 72°F).

What is the water temperature in Syros during the summer?

The water temperature in the Aegean Sea in Syros during the summer ranges from 18°C to 28°C (64°F to 82°F).

What is the water temperature in Syros during the fall?

The water temperature in the Aegean Sea in Syros during the fall ranges from 16°C to 27°C (61°F to 81°F).

Is it possible to swim in the sea in Syros year-round?

No, it is not possible to swim in the Aegean Sea in Syros year-round, the months suitable for comfortable swimming are July, August, and September.

Is Syros a popular tourist destination for beach vacations?

Syros a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.

What sea temperatures can I expect in Syros in the next month?

In July, the water temperature in the Aegean Sea in Syros will range between 70°F (21°C) and 82°F (28°C)