All data are in degrees Fahrenheit

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Water temperature in Athens

Detailed information about the current water temperature in Athens. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Athens now

65.9

°F

December 17, 15:50

Trend:

decreasing

Yesterday:

66.5°F

Tomorrow:

65.9°F

Sunrise:

07:35

Sunset:

17:07

Day Length:

9 h. 32 min.

Athens in December

Minimum:

59.3°F

Average:

60.7°F

Maximum:

62.4°F

Sea water temperature in Athens today

As of now, in Athens, the water temperature is 65.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.6°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.0°F on 2019, while the historical minimum was 62.5°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.2°F, the minimum temperature may reach 64.7°F, and the maximum might stay at 65.9°F.

Daily water temperature in Athens

Date Current Year

actual* / forecast**

last year 10 years average
Dec 3 67.6°F 66.3°F 66.5°F
Dec 4 67.0°F 66.4°F 66.4°F
Dec 5 66.8°F 66.1°F 66.2°F
Dec 6 67.2°F 66.0°F 66.1°F
Dec 7 67.0°F 65.7°F 65.9°F
Dec 8 66.7°F 65.8°F 65.8°F
Dec 9 67.0°F 65.7°F 65.7°F
Dec 10 66.5°F 66.1°F 65.4°F
Dec 11 66.8°F 65.8°F 65.3°F
Dec 12 66.6°F 65.2°F 65.1°F
Dec 13 66.5°F 65.3°F 64.9°F
Dec 14 66.4°F 65.6°F 64.8°F
Dec 15 66.0°F 65.3°F 64.7°F
Dec 16 66.5°F 64.9°F 64.6°F
Dec 17 65.9°F 65.4°F 64.3°F
Dec 18 65.9°F 64.9°F 64.3°F
Dec 19 65.6°F 64.3°F 64.0°F
Dec 20 65.3°F 64.4°F 63.7°F
Dec 21 65.2°F 64.2°F 63.6°F
Dec 22 64.9°F 63.4°F 63.3°F
Dec 23 64.9°F 63.8°F 63.2°F
Dec 24 64.7°F 63.6°F 63.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Athens by month

In Athens, the months June through October offer comfortable swimming conditions, which amounts to 128 swimming days.
The warmest water in Athens was recorded on August 6, 2021, reaching a 83.7°F. While the coldest temperature occurred on March 20, 2022, dipping to 56.6°F. The average readings by season are 61.2°F in Winter, 62.0°F in Spring, 77.5°F in Summer, and 74.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Piraeus 65.8°F 5mi
Glyfáda 66.1°F 9mi
Aegina 66.9°F 23mi

* current water temperature in this city

** straight line distance from Athens