August weather forecast
Athens, Greece

The ancient city of Athens in Greece with a view of the Parthenon Temple
The ancient city of Athens in Greece with a view of the Parthenon Temple

Weather in August

August, the last month of the summer in Athens, is another tropical month, with an average temperature fluctuating between 23.8°C (74.8°F) and 31°C (87.8°F).
The ideal sea water temperature of 26.3°C (79.3°F) and only 1.8 rainfall days, with 4mm (0.16") of accumulated rainfall, makes August the best time for swimming and other water activities.

Temperature

With an average high-temperature of 31°C (87.8°F) and an average low-temperature of 23.8°C (74.8°F), August is the warmest month.

Heat index

In August, the average heat index is evaluated at a tropical 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, wind, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The least humid month in Athens is August, with an average relative humidity of 50%.

Rainfall

August is the month with the least rainfall. Rain falls for 1.8 days and accumulates 4mm (0.16") of precipitation.

Snowfall

In Athens, snow does not fall in April through December.

Sea temperature

August is the month with the warmest seawater in Athens, Greece, with an average sea temperature of 26.3°C (79.3°F).
Note: 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.

Daylight

The average length of the day in August in Athens is 13h and 36min.
On the first day of August, sunrise is at 06:27 and sunset at 20:34. On the last day of the month, sunrise is at 06:53 and sunset at 19:57 EEST.

Sunshine

July and August, with an average of 12h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 7 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Athens?

August is the warmest month, with an average high-temperature of 31°C (87.8°F) and an average low-temperature of 23.8°C (74.8°F).

What is the temperature in August in Athens?

In August, in Athens, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23.8°C (74.8°F). in August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 33°C (91.4°F).

What is the least humid month in Athens?

The least humid month in Athens is August, with an average relative humidity of 50%.

What is the average humidity in August in Athens?

The average relative humidity in August is 50%.

What is the driest month in Athens?

The month with the least rainfall in Athens, Greece, is August, when the rain falls for 1.8 days and typically collects 4mm (0.16") of precipitation.

How much does it rain in Athens in August?

In Athens, Greece, in August, during 1.8 rainfall days, 4mm (0.16") of precipitation is typically accumulated.

When it does not snow in Athens?

In Athens, Greece, snow does not fall in April through December.

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

The month with the warmest seawater in Athens, Greece, is August, with an average sea temperature of 26.3°C (79.3°F).

What is the water temperature in August in Athens?

In Athens, the average seawater temperature in August is 26.3°C (79.3°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Athens have in August?

The average day length in August in Athens, Greece, is 13h and 36min.

What time are sunrise and sunset in August in Athens?

On the first day of August, sunrise is at 06:27 and sunset at 20:34. On the last day of the month, sunrise is at 06:53 and sunset at 19:57 EEST.

What is the month with the most sunshine in Athens?

The months with the most sunshine in Athens, Greece, are July and August, with an average of 12h of sunshine.

How long on average sun shines in August in Athens?

In August, the average sunshine duration in Athens is 12h.

What are the months with the highest UV index in Athens?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Athens, Greece.

How high is the UV index in August in Athens?

The average daily maximum UV index in August in Athens, Greece, is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in August
Athens, Greece

Average temperature in August - Athens, Greece
  • Average high temperature in August: 31°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in August: 23.8°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).

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Average pressure in August
Athens, Greece

Average pressure in August - Athens, Greece
  • Average pressure in August: 1012mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).

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Average wind speed in August
Athens, Greece

Average wind speed in August - Athens, Greece
  • Average wind speed in August: 16.3km/h

The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).

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Average humidity in August
Athens, Greece

Average humidity in August - Athens, Greece
  • Average humidity in August: 50%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).

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Average rainfall in August
Athens, Greece

Average rainfall in August - Athens, Greece
  • Average rainfall in August: 4mm

The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).

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Average rainfall days in August
Athens, Greece

Average rainfall days in August - Athens, Greece
  • Average rainfall days in August: 1.8 days

The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).

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Average snowfall in August
Athens, Greece

Average snowfall in August - Athens, Greece
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average sea temperature in August
Athens, Greece

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).

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Average daylight in August /
Average sunshine in August
Athens, Greece

Average daylight in August / Average sunshine in August - Athens, Greece
  • Average daylight in August: 13h and 36min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in August
Athens, Greece

Average sunshine days in August - Athens, Greece
  • Average sunshine days in August: 28.5 days

The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).

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Average UV index in August
Athens, Greece

Average UV index in August - Athens, Greece
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in August
Athens, Greece

Average cloud cover in August - Athens, Greece
  • Average cloud cover in August: 6

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in August
Athens, Greece

Average visibility in August - Athens, Greece
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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