July weather forecast and climate
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 July

July is a hot summer month in Athens, Greece, with average temperature ranging between max 30.9°C (87.6°F) and min 23.3°C (73.9°F).
An excellent water temperature of 25.8°C (78.4°F) and only 2.9 rainfall days, with 5mm (0.2") of accumulated rainfall, makes July a prime for swimming and other water activities.

Temperature

In Athens, the average high-temperature is almost the same as in June - a tropical 30.9°C (87.6°F). In Athens, the average low-temperature is 23.3°C (73.9°F).

Heat index

In July, the average heat index is evaluated at a hot 32.6°C (90.7°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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', 'apparent temperature', 'felt air temperature', or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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 average relative humidity in July is 51%.

Rainfall

In Athens, during July, the rain falls for 2.9 days and regularly aggregates up to 5mm (0.2") of precipitation. In Athens, during the entire year, the rain falls for 98.9 days and collects up to 348mm (13.7") of precipitation.

Snowfall

April through December are months without snowfall in Athens, Greece.

Sea temperature

In Athens, the average water temperature is 25.8°C (78.4°F).
Note: 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.

Daylight

In Athens, the average length of the day in July is 14.5h.

Sunshine

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

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 temperature in July in Athens?

In July, the average high-temperature is 30.9°C (87.6°F), and the average low-temperature is 23.3°C (73.9°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 32.6°C (90.7°F).

What is the average humidity in July in Athens?

The average relative humidity in July in Athens is 51%.

How many days does it rain in July in Athens?

In Athens, Greece, during July, the rain falls for 2.9 days and regularly aggregates up to 5mm (0.2") of precipitation.

When it does not snow in Athens?

April through December are months without snowfall in Athens.

How warm is the water in July in Athens?

In July, the average sea temperature in Athens is 25.8°C (78.4°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.

What is the average length of the day in July in Athens?

In July, the average length of the day is 14.5h.

What is the month with the most sunshine in Athens?

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

How long on average sun shines in July in Athens?

The average sunshine in July in Athens is 12h.

When is the highest UV index in Athens?

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

What is the UV index intensity in July in Athens?

The average daily maximum UV index in July in Athens is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in July
Athens, Greece

Average temperature in July - Athens, Greece
  • Average high temperature in July: 30.9°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 July: 23.3°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 July
Athens, Greece

Average pressure in July - Athens, Greece
  • Average pressure in July: 1011.1mbar

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 July
Athens, Greece

Average wind speed in July - Athens, Greece
  • Average wind speed in July: 13.6km/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 July
Athens, Greece

Average humidity in July - Athens, Greece
  • Average humidity in July: 51%

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 July
Athens, Greece

Average rainfall in July - Athens, Greece
  • Average rainfall in July: 5mm

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 July
Athens, Greece

Average rainfall days in July - Athens, Greece
  • Average rainfall days in July: 2.9 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 July
Athens, Greece

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

The month with the highest snowfall is January (9mm).
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 July
Athens, Greece

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

The month with the highest number of snowfall days is January (0.9 days).
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 July
Athens, Greece

Average sea temperature in July - Athens, Greece
  • Average sea temperature in July: 25.8°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 July /
Average sunshine in July
Athens, Greece

Average daylight in July / Average sunshine in July - Athens, Greece
  • Average daylight in July: 14.5h

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

  • Average sunshine in July: 12h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.6h).

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Average sunshine days in July
Athens, Greece

Average sunshine days in July - Athens, Greece
  • Average sunshine days in July: 27 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 July
Athens, Greece

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

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 July
Athens, Greece

Average cloud cover in July - Athens, Greece
  • Average cloud cover in July: 8

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 July
Athens, Greece

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

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

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