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Water Temperature in the Aegean Sea in Athens, Greece: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Athens 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 Athens
15.7°C
TODAY
15.3°C
YESTERDAY
15.9°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Aegean Sea in Athens is 15.7°C. The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.
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 Athens Over the Last 30 Days
The water temperature in Athens 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 Athens will remain nearly unchanged in the coming days, its value will be 16.2°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 Athens 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
Date | Current | Average | Forecast |
---|---|---|---|
Apr 11 | 15.9°C | 15.5°C | |
Apr 12 | 15.8°C | 15.5°C | |
Apr 13 | 15.0°C | 15.8°C | |
Apr 14 | 15.2°C | 15.5°C | |
Apr 15 | 15.2°C | 15.8°C | |
Apr 16 | 15.0°C | 16.0°C | |
Apr 17 | 15.3°C | 16.0°C | |
Apr 18 | 15.8°C | 16.3°C | |
Apr 19 | 16.5°C | 15.8°C | |
Apr 20 | 16.5°C | 15.9°C | |
Apr 21 | 16.8°C | 16.0°C | |
Apr 22 | 16.3°C | 16.0°C | |
Apr 23 | 16.3°C | 16.0°C | |
Apr 24 | 16.5°C | 16.1°C | |
Apr 25 | 16.3°C | 16.1°C | |
Apr 26 | 16.8°C | 16.2°C |
Sea Temperature in Athens Throughout the Year
Throughout the year, the sea temperature in Athens exceeds 77°F (25°C) for 84 days, exceeds 72°F (22°C) for 142 days, and exceeds 64°F (18°C) for 220 days.
Below is the annual chart of sea temperature changes in the Aegean Sea in Athens.

January
Minimum | Average | Maximum |
---|---|---|
14°C | 16°C | 18°C |
February
Minimum | Average | Maximum |
---|---|---|
14°C | 15.5°C | 17°C |
March
Minimum | Average | Maximum |
---|---|---|
14°C | 15.5°C | 17°C |
April
Minimum | Average | Maximum |
---|---|---|
14°C | 16.5°C | 19°C |
May
Minimum | Average | Maximum |
---|---|---|
16°C | 19°C | 22°C |
June
Minimum | Average | Maximum |
---|---|---|
19°C | 22.5°C | 26°C |
July
Minimum | Average | Maximum |
---|---|---|
23°C | 26°C | 29°C |
August
Minimum | Average | Maximum |
---|---|---|
24°C | 26.5°C | 29°C |
September
Minimum | Average | Maximum |
---|---|---|
23°C | 25.5°C | 28°C |
October
Minimum | Average | Maximum |
---|---|---|
20°C | 23°C | 26°C |
November
Minimum | Average | Maximum |
---|---|---|
17°C | 20.5°C | 24°C |
December
Minimum | Average | Maximum |
---|---|---|
13°C | 17°C | 21°C |
Monthly Water Temperature Histogram for Aegean Sea in Athens
You can explore detailed data on how the water temperature in Athens varies each month:
What Beaches Are There In and Around Athens?
Kritikos Beach
Kritikos Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Athens.
Riviera Beach
Riviera Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Athens. There is parking. There are restrooms. There are cafés.
Flisvos Beach
Flisvos Beach is a 2-stars pebble beach, located in a 7 km (4 miles) radius of Athens. There are restrooms. There are shops. There are cafés.
Mpatis Beach
Mpatis Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Athens. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Edem Beach
Edem Beach is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Athens. There is parking. There are restrooms. There are cafés. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Alimos
Alimos is a 5-stars sandy beach, located in a 8 km (5 miles) radius of Athens. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Alimos 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.
Sun Coast
Sun Coast is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Athens. There is parking. There are cafés.
Costa Del Sol
Costa Del Sol is a 4-stars sandy beach, located in a 8 km (5 miles) radius of Athens. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Beach Freatida
Beach Freatida is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Athens. There are shops. There are cafés. Snorkeling is possible.
Terpsichori
Terpsichori is a 3-stars sandy beach, located in a 8 km (5 miles) radius of Athens. 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.
Passarella Rakera Beach
Passarella Rakera Beach is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Athens. There is parking. There are cafés.
Agios Kosmas Beach
Agios Kosmas Beach is a 4-stars sandy beach, located in a 10 km (6 miles) radius of Athens. There is parking. There are restrooms. There are cafés. Agios Kosmas Beach 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.
Athens Weather
APRIL 19
15°C / 21°C
scattered clouds: 25-50%humidity: 54% | wind: 2 km/h
APRIL 20
16°C / 22°C
overcast clouds: 85-100%humidity: 57% | wind: 2 km/h
APRIL 21
16°C / 22°C
broken clouds: 51-84%humidity: 54% | wind: 4 km/h
APRIL 22
15°C / 21°C
clear skyhumidity: 48% | wind: 5 km/h



Sea Temperature in the Aegean Sea in Athens: General Trends and Swimming Opportunities
The climate in the coastal area of the Attica region, Greece, is typically Mediterranean, characterized by hot, dry summers and mild, wet winters. The temperatures fluctuate between 29-35 degrees Celsius in summer and 7-15 degrees Celsius in winter.
Athens is located in Europe in the Northern Hemisphere at a latitude of 38 degrees, along the shores of the Aegean Sea. Athens lies within the Attica in Greece.
The average annual daytime air temperature in Athens is 22°C (72°F), with the average nighttime temperature being 14°C (57°F). The highest average daily temperature occurs in July, reaching 32°C (90°F), while the lowest is in January at 13°C (56°F). As for nighttime temperatures, the minimum average temperature of 6°C (43°F) is recorded in February, and the maximum is in July, reaching 23°C (73°F).
According to historical data, Athens experiences 74 rainy days per year, which accounts for 20 percent of all days in the year. On average, there are 6 rainy days each month. The wettest month is December, with 11 rainy days and 69 mm (2.7 inches) of precipitation, while the driest month is August, which typically has 2 rainy days and only 6 mm (0.2 inches) of precipitation.
The average annual water temperature in Aegean Sea in Athens is 20°C (68°F). In December, the water reaches its lowest point of the year at 13°C (55°F), while in July, it peaks at 29°C (84°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 29°C (84°F) on some days.
Geographical Location of Athens
Nearby Cities
Frequently Asked Questions About Athens and its Water Temperatures
What is the current sea temperature in Athens?
The water temperature today in the Aegean Sea in Athens is 60°F (15.7°C).
In which months is the water temperature in Athens comfortable for swimming?
The water temperature in the Aegean Sea in Athens is comfortable for swimming and beach vacations in July, August, and September.
What is the water temperature in Athens during the winter?
The water temperature in the Aegean Sea in Athens during the winter ranges from 13°C to 21°C (55°F to 70°F).
What is the water temperature in Athens during the spring?
The water temperature in the Aegean Sea in Athens during the spring ranges from 14°C to 22°C (57°F to 72°F).
What is the water temperature in Athens during the summer?
The water temperature in the Aegean Sea in Athens during the summer ranges from 19°C to 29°C (66°F to 84°F).
What is the water temperature in Athens during the fall?
The water temperature in the Aegean Sea in Athens during the fall ranges from 17°C to 28°C (63°F to 82°F).
Is it possible to swim in the sea in Athens year-round?
No, it is not possible to swim in the Aegean Sea in Athens year-round, the months suitable for comfortable swimming are July, August, and September.
Is Athens a popular tourist destination for beach vacations?
Athens is a highly popular tourist destination for beach vacations, attracting large numbers of visitors every year due to its beautiful coastline, warm waters, and excellent resort facilities.
What sea temperatures can I expect in Athens in the next month?
In May, the water temperature in the Aegean Sea in Athens will range between 61°F (16°C) and 72°F (22°C)