August weather forecast
Athens, Greece

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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 continues the trend set by July in Athens. Temperatures soar, sometimes reaching their yearly peak. Despite this, tourists flock to the city, lured by the alluring Mediterranean climate. Sea temperatures reach their maximum, ideal for beach activities. It's Athens in the core of summer, radiating charm under the sun.

Temperature

During the warmest month in Athens, August, temperatures average a high of 31°C (87.8°F) and a low of 23.8°C (74.8°F).

Heat index

August's average heat index is estimated at a tropical 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

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

Snowfall

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

Sea temperature

The month with the warmest seawater is August, with an average sea temperature of 26.3°C (79.3°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

In August, the average length of the day is 13h and 36min.
On the first day of August, sunrise is at 06:28 and sunset at 20:34. On the last day of the month, sunrise is at 06:54 and sunset at 19:56 EEST.

Sunshine

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

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Athens, Greece. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, a daily UV index of 7 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Enhance your sun protection with tightly woven, yet airy clothing. Heed this! UV intensity is much stronger when reflected off sand and water.
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Frequently asked questions

What time of the year is the hottest in Athens?

August is the month when Athens sees the average highest temperatures, with a high of 31°C (87.8°F) and a low of 23.8°C (74.8°F).

How hot does it get in Athens in August?

Athens in August has an average high-temperature of 31°C (87.8°F) and an average low-temperature of 23.8°C (74.8°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 33°C (91.4°F).

What is the least humid month in Athens?

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

What is the average humidity in August in Athens?

In Athens, Greece, the average relative humidity in August is 50%.

What is the driest month in Athens?

The month with the least rainfall in Athens 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, in August, during 1.8 rainfall days, 4mm (0.16") of precipitation is typically accumulated.

When it does not snow in Athens?

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

What month is the sea warmest in Athens?

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

What is the water temperature in August in Athens?

In August, the average sea temperature 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 is 13h and 36min.

What time are sunrise and sunset in August in Athens?

In August, on the first day of the month, sunrise is at 06:28 and sunset at 20:34. On the last day of the month, in Athens, sunrise is at 06:54 and sunset at 19:56 EEST.

What are the months with the most sunshine in Athens?

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

How long on average sun shines in August in Athens?

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

What is the month 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.

What is the UV index intensity in August in Athens?

In August, the average daily maximum UV index in Athens is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

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 snowfall days in August
Athens, Greece

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

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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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 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • 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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Athens, Greece

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