August weather forecast and climate
Athens, Greece

The ancient city of Athens in Greece with a view of the Parthenon Temple at dusk
The ancient city of Athens in Greece with a view of the Parthenon Temple at dusk
Although temperatures were at their very highest in July, the weather doesn't cool off much in August, as the average temperature is still at 27°C (80.6°F). These temperatures remain consistent throughout the entire month.
At this time of year, the weather in Athens is highly predictable, with lots of sunshine and hardly any precipitation, making a visit to Greece's capital comfortable. The sea is also at its warmest at this time of year.

What is the warmest month in Athens?

August is the warmest month, with an average high-temperature of 33.7°C (92.7°F) and an average low-temperature of 23.8°C (74.8°F).

What is the temperature in August in Athens?

The average high-temperature, in August, in Athens, is 33.7°C (92.7°F), while the average low-temperature is 23.8°C (74.8°F).

How many days does it rain in August in Athens?

In Athens, Greece, in August, it is raining for 1.7 days, with typically 6mm (0.2") of accumulated precipitation.

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

August is the month with the warmest seawater, with an average sea temperature of 26.3°C (79.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the sea water temperature in August in Athens?

In Athens, in August, the average water temperature is 26.3°C (79.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature in August - Athens, Greece
  • Average high temperature in August: 33.7°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (13.3°C).

  • Average low temperature in August: 23.8°C

The month with the highest average low temperature is August (23.8°C).
Coldest months (with the lowest average low temperature) are January and February (6.8°C).

Average humidity in August - Athens, Greece
  • Average humidity in August: 47.6%

The month with the highest relative humidity is November (71.9%).
The month with the lowest relative humidity is August (47.6%).

Average rainfall in August - Athens, Greece
  • Average rainfall in August: 6mm

The wettest month (with the highest rainfall) is December (69.1mm).
The driest month (with the lowest rainfall) is July (5.8mm).

Average rainfall days in August - Athens, Greece
  • Average rainfall days in August: 1.7 days

The month with the highest number of rainy days is January (12.6 days).
The month with the lowest number of rainy days is August (1.7 days).

Average sea temperature in August - Athens, Greece
  • Average sea temperature in August: 26.3°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

Average daylight in August / Average sunshine in August - Athens, Greece
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 11.6h

The month with most sunshine is July (Average sunshine: 12.4h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in August - Athens, Greece
  • Average UV index in August: 9

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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